Speech To Text - STALLYONS TECHNOLOGIES

🎤 Speech to Text Services

Speech to Text Services That Transcribe Every Word With 98% Accuracy

Stallyons delivers production-grade speech to text services for USA brands and global voice products. Our STT development company engineers multi-provider integrations across OpenAI Whisper, AssemblyAI, Deepgram, Google Cloud Speech, Microsoft Azure, and AWS Transcribe, plus self-hosted ASR, real-time streaming, speaker diarization, and HIPAA-compliant medical transcription. Built by senior speech AI specialists across 99+ languages.

99+

Languages Supported

98%

Avg. Word Accuracy

4.9★

Client Rating

99+

Languages Supported

98%

Avg. Word Accuracy

4.9★

Client Rating

350+

Magento Stores Built

99.9%

Store Uptime

4.9★

Client Rating

Trusted by Innovative Companies Worldwide

What Are Speech to Text Services and Why Accuracy Is the Whole Game

Speech-to-Text (STT), also called Automatic Speech Recognition (ASR), is the practice of building systems that convert spoken audio into accurate, structured text using neural speech models. Modern ASR engines, including OpenAI Whisper, AssemblyAI Universal, Deepgram Nova, Google Chirp, Microsoft Azure Speech, AWS Transcribe, and self-hosted models like Vosk, Kaldi, and Wav2Vec, have crossed the accuracy threshold where "good enough" became "indistinguishable from human transcribers." When engineered correctly, modern STT hits 95 to 98% word accuracy on clean audio, handles 99+ languages, identifies multiple speakers, redacts PII automatically, and streams transcripts at sub-300ms latency.

When engineered poorly, STT becomes the feature your users disable on day two. Wrong provider for the use case. No custom vocabulary so every product name is mangled. No speaker diarization so meeting notes read like a stream of consciousness. No noise robustness so call-center recordings come back as gibberish. No HIPAA posture so legal blocks the entire medical pipeline. The difference between an STT feature that drives retention and one that becomes a liability is engineering, not which logo is on the API.

Why Multi-Provider STT Integration Beats Single-Vendor Lock-In

Every STT provider has a different sweet spot. OpenAI Whisper (and Faster-Whisper, WhisperX, Whisper.cpp) leads on multilingual coverage and self-hosted control. AssemblyAI Universal wins on speaker diarization, sentiment, auto-chapters, and content moderation out of the box. Deepgram Nova ships the lowest streaming latency and best accuracy-per-dollar at high volume. Google Chirp shines on multilingual consistency and phone-call models. Azure Speech is the enterprise default for HIPAA-aligned deployments and Custom Speech. AWS Transcribe wins on Transcribe Medical (HIPAA), Call Analytics, and AWS-native pipelines. Vosk, Kaldi, and SpeechBrain unlock fully offline use cases that no cloud provider can serve.

A serious STT implementation abstracts behind a unified internal API, routes per use case to the optimal provider, falls back gracefully on provider outages, and lets you swap providers without rewriting your product. Build it that way once and you ship faster, sleep better, and never get hostage-pricing-emailed when a single vendor 4x's their per-minute rate.

Core Components of Professional Speech to Text Services

Multi-Provider Integration: Unified API across Whisper, AssemblyAI, Deepgram, Google, Azure, AWS Transcribe, Rev AI, Speechmatics, and self-hosted Vosk/Kaldi, with smart routing and automatic failover.
Custom Vocabulary & Domain Models: Phrase hints, boosted vocabulary, pronunciation lexicons, and custom language model training for medical, legal, financial, and technical terminology, so your product names and acronyms transcribe correctly every time.
Real-Time Streaming Architecture: WebSocket and WebRTC streaming with VAD, endpointing, interim results, and sub-300ms time-to-text, the threshold above which live agent assist and real-time captioning feel broken.
Speaker Diarization: Multi-speaker identification, channel-based diarization, overlapping speech handling, and speaker labeling for meetings, calls, depositions, and interviews where “who said what” matters.
Audio Pre-Processing Pipeline: Noise reduction, dereverberation, voice activity detection, silence trimming, sample rate optimization, and format conversion, the unsexy work that lifts accuracy from 82% to 96%.
Compliance & Redaction: PII detection and redaction, HIPAA-aligned medical transcription, GDPR-compliant data retention, audit logging, and consent management baked in, not bolted on later.

How to Choose the Right Speech to Text Development Company or Agency

Anyone can wire up a "Hello world" Whisper call in 20 minutes. That is not a speech AI team. That is a tutorial. Real expertise shows in how a team handles the expensive, accuracy-bleeding problems: pronouncing your product name and medical SKUs correctly, hitting sub-300ms streaming TTL on production network conditions, diarizing a 7-person meeting with overlapping speakers, building HIPAA-compliant pipelines that survive a legal review, and cutting STT bills 50 to 70% without dropping word-error-rate.

Look for a partner with shipped ASR products at scale, fluency across multiple STT providers (not just one), custom vocabulary and language-model training experience, audio pre-processing depth, and a track record of compliance work (HIPAA, GDPR, Section 508, WCAG). If your first conversation is about which API to call instead of which problem to solve, you're hiring a vendor, not a partner.

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Why Brands Choose Stallyons

Ready to ship transcription accurate enough to bet your product on?

What We Build

AI-Powered Transcription Solutions Every Voice Workflow

From real-time agent-assist to HIPAA-compliant medical dictation, our speech to text services power every audio-to-text surface across modern voice products.

Real-Time Transcription

Sub-300ms streaming STT for live agent assist, voice agents, captioning, and interactive voice products.

Call Center & Contact Center

Call transcription, agent assist, post-call analytics, sentiment, QA monitoring, and compliance recording.

Meeting & Conference STT

Zoom, Teams, Google Meet, Webex transcription with speaker diarization, summaries, and action items.

Medical Dictation (HIPAA)

Clinical documentation, radiology, pathology, and telemedicine transcription with full HIPAA posture.

Legal & Court Transcription

Depositions, court reporting, witness statements, and legal dictation with certified accuracy.

Media & Captioning

Podcast, video, broadcast, and YouTube transcription with SRT/VTT subtitle generation and FCC compliance.

Voice Search & Commands

Voice activation, command recognition, voice navigation, dictation, and multi-modal voice input.

On-Premise & Edge STT

Self-hosted Whisper, Vosk, Kaldi, and SpeechBrain for data sovereignty, air-gapped, and edge deployments.

Not sure which STT architecture fits your product?

Common Challenges

Signs Your Transcription Feature Is Quietly Costing You Customers

If your transcription feature shows any of these symptoms, your current STT implementation is leaking accuracy, compliance, and trust every day. The right speech to text development company fixes every one of them.

Your STT mangles product names, drops words, and misreads numbers. Users stop trusting the feature within a week, and your AI workflows compound the errors downstream.

Your live transcription lags 2-4 seconds behind the speaker. Agent assist becomes agent confusion. Captions are useless. Users disable the feature.

One product launch and your STT invoice 5x'd. No smart routing, no caching, no provider arbitrage, just naive per-minute billing on the most expensive tier.

"Speaker 1" and "Speaker 2" get scrambled across the transcript. Meeting summaries become unusable. Legal depositions become legally inadmissible.

Your medical, legal, or technical terms come back wrong every time. No custom vocabulary, no phrase boosts, no domain-trained models, and your specialists lose hours editing.

You're transcribing patient calls or legal proceedings without proper redaction, consent, or audit logging. One audit and the whole pipeline gets pulled.

Hitting any of these walls? Let's engineer transcription you can actually trust.

Our Speech-to-Text Development Services

End-to-End Speech to Text Development Services for Voice-First Products

As a full-service speech to text development company, Stallyons covers every corner of production STT, from single-API integration to multi-provider transcription platforms with HIPAA posture and self-hosted fallback. Below are the core STT solutions we deliver for ambitious voice-first products.

Need help mapping these services to your transcription roadmap?

Why Choose Stallyons

Why USA Brands Choose Our Speech to Text Services

Choosing the right speech to text development company is the single biggest factor in whether your transcription feature builds user trust or quietly destroys it. Here is why 150+ ambitious USA-based and global brands chose Stallyons as their STT engineering partner.

Stallyons is a specialized speech to text development company serving USA brands, SaaS products, healthcare platforms, contact centers, and voice-first startups across North America and beyond. Unlike generic web agencies or single-vendor ASR resellers, our team lives and breathes speech AI engineering, including OpenAI Whisper, AssemblyAI, Deepgram, Google Cloud Speech, Microsoft Azure Speech, AWS Transcribe, Speechmatics, NVIDIA Riva, self-hosted Wav2Vec2 and faster-whisper deployments, and the full real-time streaming and diarization stack. When you hire our speech to text services, you are not getting a freelancer learning on your dime or a vendor pushing one provider. You are getting senior speech AI engineers who have shipped 150+ production STT integrations across healthcare, contact center, media, legal, and accessibility products.

What separates a great STT development company from a mediocre one is not access to APIs. It is engineering depth. Anyone can call Whisper. Real speech to text services are measured by word error rate, latency, multi-provider failover reliability, cost optimization, multilingual coverage, speaker diarization accuracy, and compliance posture. Our STT development services deliver on every metric, with 95%+ word accuracy on production audio, sub-300ms streaming latency, 60% to 80% transcription cost reduction through smart provider routing, 99.95% production uptime, and a 4.9-star client rating. Those are not slide-deck claims. They are verified outcomes we can show case studies for, on request.

We also believe transparency is part of what you are paying for. No hidden fees, no surprise change orders, no vendor lock-in disguised as recommendations. Every engagement begins with a free STT strategy call, a detailed scope, a fixed-price quote, and a clear delivery timeline. Throughout the project, you get shared Linear or Jira access, weekly demo calls, accuracy benchmarks, and full code ownership at handoff. That is how proper speech to text development services should be delivered, and exactly how we do it.

Whether you are a USA SaaS adding meeting transcription, a healthcare product needing HIPAA-compliant clinical documentation, a contact center automating call QA and compliance, a media platform captioning long-form content, or a legal-tech startup transcribing depositions, our speech to text api integration services are built for your real product constraints. We work with brands across the United States, Canada, UK, Europe, Australia, and the Middle East, and our async-first processes are designed for transparent collaboration regardless of time zone.

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Ready to work with a speech to text development company that ships real results?

Why Partner with Stallyons

Why Hire a Specialized Speech to Text Development Company

Working with a real speech to text development company is the difference between transcription users trust and a voice feature they disable on day two. Here is what you unlock with Stallyons.

95%+ Word Accuracy

Production-grade accuracy via custom vocabulary, domain models, audio pre-processing, and per-use-case provider routing that is measured, monitored, and guaranteed.

Sub-300ms Streaming TTL

Real-time streaming architecture that beats the threshold where live captioning and agent assist feel broken. Production-tuned WebSocket and WebRTC infrastructure.

Multi-Provider Reliability

No single-vendor lock-in. Smart routing and automatic failover across Whisper, AssemblyAI, Deepgram, Google, Azure, and AWS, all behind a unified internal API.

50-70% STT Cost Reduction

Smart caching, request batching, provider arbitrage, hybrid cloud/self-hosted routing. Your transcription bill stops being a budget risk.

Global from Day One

99+ languages, CJK and RTL support, code-switching, automatic language detection, and per-language vocabulary tuning. Your international UX is excellent everywhere.

Compliant by Design

PII redaction, consent management, audit logging, and full HIPAA / GDPR / Section 508 / SOC 2 posture. Your legal and security teams sleep soundly.

Ready to unlock these benefits for your product?

Our Process

Our STT Engineering Process: From Brief to Production in 6 Steps

A battle-tested STT engineering methodology that ships transcription accurate enough to bet your product and your compliance posture on, every single time.

01 Discovery

Use cases & audio brief

03 Engineering

Vocab, streaming, diarization

05 QA & Tuning

Accuracy & latency benchmarks

Provider Selection

WER benchmarking

02 Integration

App, CRM & data pipelines

04 Launch & MLOps

WER & cost monitoring

06

Want to see how this process maps to your transcription project?

Our Process

Our STT Engineering Process: From Brief to Production in 6 Steps

A battle-tested STT engineering methodology that ships transcription accurate enough to bet your product and your compliance posture on, every single time.

Discovery

Use cases & audio brief

Provider Selection

WER benchmarking

Engineering

Vocab, streaming, diarization

Integration

App, CRM & data pipelines

QA & Tuning

Accuracy & latency benchmarks

Launch & Monitor

WER & cost monitoring

Want to see how this process maps to your transcription project?

Technology Stack

The Technology Powering Our Speech to Text API Integration Services

Every STT development company has tools. We have mastered the full STT ecosystem, every provider, every framework, and every deployment target.

🎙️

STT Providers

🗣️

OpenAI Whisper

🔺

AssemblyAI

📝

Deepgram Nova

🌐

Google Chirp

🔵

Azure Speech

🖥️

Self-Hosted ASR

🗣️

Faster-Whisper

🎙️

WhisperX

📚

Vosk

🔧

Kaldi

🧠

SpeechBrain

📡

Real-Time & Streaming

🔌

WebSocket

🌐

WebRTC

🎚️

VAD / Endpointing

📨

Server-Sent Events

📞

Twilio Media Streams

⚙️

Audio Processing

🎞️

FFmpeg

🔇

RNNoise / DeepFilter

🌐

WebRTC AEC

📊

librosa / SoX

🔄

Dereverberation

🏗️

Infrastructure & Ops

🐳

Docker / Kubernetes

🟢

NVIDIA GPUs

🌐

CDN & Edge Caching

📊

Datadog / Grafana

🔐

Auth0 / Cognito

Let's design the right STT stack for your product

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Strategic Decision

STT Provider Comparison: Whisper vs Deepgram vs AssemblyAI vs Google vs Azure vs AWS

One of the biggest decisions when buying speech to text services is choosing the right STT provider stack. Here is how our STT development company helps you pick the right ASR architecture for your product, accuracy targets, and budget.

OpenAI Whisper leads on raw transcription accuracy across 99+ languages and is the default for batch transcription where latency is not critical. Whisper Large v3 delivers state-of-the-art word error rates on clean and accented audio, multilingual code-switching, and noisy environments. Our Whisper integration services include self-hosted faster-whisper deployments on GPU infrastructure, WhisperX for word-level timestamps, and hybrid Whisper plus streaming-provider architectures for products that need both accuracy and low latency.

Deepgram wins on streaming latency and real-time transcription. With Nova-3 models delivering sub-300ms time-to-first-word and excellent diarization, Deepgram is the right call for live captioning, voice agents, contact center compliance, and any product where real-time matters. Our Deepgram integration services include WebSocket streaming engineering, keyword boosting, custom language models, and Nova-3 deployment with proper failover handling.

AssemblyAI stands out for rich audio intelligence beyond basic transcription, including summarization, sentiment analysis, entity detection, topic detection, and content moderation. AssemblyAI is the right choice when your product needs transcription plus understanding in one pipeline. Our AssemblyAI integration services include Universal-2 streaming engineering, LeMUR LLM integration, custom vocabulary configuration, and hybrid AssemblyAI plus internal NLP architectures.

Microsoft Azure Speech wins on HIPAA-aligned deployments, enterprise compliance, and Custom Speech model training. Azure is the right choice for healthcare clinical documentation, government, financial services, and any USA brand needing strict compliance posture. Our Azure Speech integration services include Custom Speech model training on domain audio, real-time and batch transcription engineering, speaker diarization, and HIPAA-compliant audio pipelines.

Google Cloud Speech-to-Text offers Chirp 3 and Chirp 2 models with strong multilingual coverage and tight integration with Dialogflow CX voice agents. Google is the right call when you are already on GCP, need native search-grounded voice features, or want enterprise-grade transcription with Vertex AI. Our Google STT integration services include Chirp model selection, speaker diarization, telephony-tuned audio profiles, and Dialogflow CX voice agent engineering.

AWS Transcribe is the workhorse for AWS-native production pipelines, batch transcription at scale, and Transcribe Medical for HIPAA-compliant clinical workflows. Our AWS Transcribe integration services include streaming engineering, custom vocabulary, channel identification for call center audio, and Transcribe Medical configuration for healthcare products.

So which STT provider should you pick? The answer is rarely just one. Most production speech to text services we build use multi-provider routing, with Whisper for premium batch accuracy, Deepgram for sub-300ms streaming, AssemblyAI for transcription plus audio intelligence, Azure for HIPAA-aligned medical, and AWS for AWS-native enterprise workloads. As a specialized STT development company, we will tell you honestly which providers fit your product, your budget, and your compliance posture. Many of our most successful USA clients start with a single provider, validate product-market fit, and add multi-provider failover as STT spend and reliability requirements scale.

Not sure which STT provider stack fits your product?

Industries We Serve

STT Solutions Across Every Industry We Serve

Our STT development agency brings deep domain knowledge to USA-based brands and global enterprises across the categories where transcription accuracy is the entire product.

Healthcare & Medical

HIPAA-compliant clinical documentation

Legal & Compliance

Depositions, court & legal transcription

Call & Contact Centers

Agent assist, analytics & QA

Media & Entertainment

Podcast, video & broadcast captioning

Education & E-Learning

Lecture transcription & accessibility

Financial Services

Compliance recording & trading floor

Government & Public Sector

Public meetings, 911 calls, accessibility

Insurance & Claims

Claims calls & policy documentation

We understand your vertical. Let's build transcription your team can trust.

Why Choose Stallyons?

Stallyons vs. Other STT Development Agencies

An honest comparison of your speech to text development options, including DIY single-provider integrations, freelancers, generic agencies, and a specialized STT development company like ours.

Capability	DIY / Single API	Freelancers	Generic Agency	Stallyons Technologies
Multi-Provider Integration	✕ Single Vendor	⚠ Usually One	⚠ Limited	Unified API + Failover
Custom Vocabulary & Domain Models	✕ Default Only	⚠ Basic	⚠ Extra Cost	Per-Domain Tuned
Sub-300ms Streaming	✕ Batch Only	✕ Rare	⚠ Premium	Production-Ready
Speaker Diarization	⚠ Provider Default	✕ Often Broken	⚠ Extra Cost	Tuned Per Use Case
Self-Hosted Whisper / Vosk	✕ No	✕ Rare	⚠ Premium	Production Deployments
HIPAA / Legal Compliance	✕	✕ Risky	⚠ Specialty	Compliant by Design
Cost Optimization (Routing/Caching)	✕ Naive Calls	✕	⚠ Sometimes	50-70% Savings
Post-Launch Accuracy Monitoring	✕	✕	⚠ Retainer Only	WER Tracking

See the Stallyons difference for yourself

Complete Package

Everything Included in Our STT Development Package

From Audio Brief to Production & Monitoring: We Handle It All

Here's everything included when you partner with Stallyons:

✓ Included

🔒 No obligation. We'll provide a detailed proposal within 48 hours.

Plus, Get These FREE Bonuses

Comprehensive evaluation of your current transcription covering Word Error Rate (WER), latency, cost-per-minute, diarization quality, and compliance gaps.

Included FREE

Side-by-side WER comparison across Whisper, AssemblyAI, Deepgram, Google, Azure, and AWS on your actual audio samples, with cost projections.

Included FREE

Phased implementation plan with provider strategy, streaming architecture, compliance posture, and a clear path from prototype to production.

Included FREE

Risk-Free Partnership

Our Triple Accuracy Guarantee: Risk-Free Transcription Builds

We stand behind every speech to text development project with iron-clad commitments that protect your investment from day one.

95%+ Word Accuracy

Production-grade transcription accuracy via custom vocabulary, domain language models, audio pre-processing, and per-use-case provider routing. If WER doesn't hit target on your audio, we keep tuning at no extra cost.

Sub-300ms Streaming Latency

Real-time streaming STT that delivers first-token-to-text under 300ms, the threshold above which live captioning and agent assist feel broken. Measured, monitored, and guaranteed on launch day.

Multi-Provider Reliability

No single-vendor lock-in. Unified API with automatic failover across Whisper, AssemblyAI, Deepgram, Google, Azure, and AWS Transcribe, so a single provider outage never takes down your transcription pipeline.

Build with zero risk, backed by our Triple Accuracy Guarantee

Track Record

Real Results From Our Speech AI Experts

140+

STT Apps Shipped

98%

Avg. Word Accuracy

240ms

Avg. Streaming Latency

4.9

Clutch Rating

"Stallyons rebuilt our deposition transcription pipeline on AssemblyAI with Deepgram fallback and custom legal vocabulary. Our court reporters' edit time dropped 71%, and the WER on technical legal terminology went from 88% to 97%. They actually understand both ASR and law."

"We needed HIPAA-compliant clinical documentation across telemedicine and in-person visits. Stallyons shipped self-hosted Whisper with medical vocabulary and AWS Transcribe Medical fallback in 12 weeks. Clinicians' note-completion time dropped 58% and our compliance team had zero findings."

FAQ

Frequently Asked Questions About Speech to Text Services

How much does Speech-to-Text development cost?

STT development costs vary based on scope, providers, languages, real-time vs batch, custom vocabulary, on-premise vs cloud, and compliance posture. A single-provider integration is a very different investment than a multi-provider, multi-language, streaming transcription platform with HIPAA-compliant self-hosted fallback. Stallyons provides detailed, transparent estimates after a free discovery call, with no slide-deck-driven sticker shock.

Which STT provider should I use: Whisper, AssemblyAI, Deepgram, Google, Azure, or AWS?

It depends on your use case. Whisper leads on multilingual and self-hosted. AssemblyAI Universal wins on speaker diarization, sentiment, and auto-chapters. Deepgram Nova ships the lowest streaming latency. Google Chirp shines on multilingual consistency. Azure Speech is the enterprise default for HIPAA-aligned. AWS Transcribe wins on Transcribe Medical and Call Analytics. We almost always recommend a multi-provider architecture so you route per use case and never get locked in.

What word accuracy can you actually deliver?

On clean, single-speaker audio in English, modern STT routinely hits 95-98% word accuracy. On real-world audio such as phone calls, multi-speaker meetings, accented speech, and technical vocabulary, accuracy depends heavily on engineering: custom vocabulary, audio pre-processing, the right provider for the use case, and post-processing. We benchmark WER on your actual audio samples during discovery so you get a real number, not a marketing number.

How do you achieve sub-300ms streaming latency?

WebSocket streaming, WebRTC where appropriate, properly tuned VAD and endpointing, interim-result handling, edge-region provider selection, and careful network architecture. We benchmark every provider’s streaming TTL on real network conditions and route accordingly. For agent assist, live captioning, and real-time voice agents, sub-300ms is non-negotiable, and it’s measurable.

Can you deploy Whisper or other STT on-premise for HIPAA, legal, or sovereignty?

Yes. We deploy self-hosted Whisper (including Faster-Whisper, WhisperX, Whisper.cpp), Vosk, Kaldi, Mozilla DeepSpeech, Wav2Vec, and SpeechBrain on private infrastructure, air-gapped environments, and edge devices. GPU infrastructure setup, model optimization, containerized deployment on Docker/Kubernetes, and high-availability all included. For HIPAA, attorney-client-privileged, or sovereign-cloud workloads, self-hosted STT is often the right answer. We will be honest about when it is not.

How do you handle speaker diarization for meetings and calls?

For two-speaker calls, channel-based diarization is the most reliable approach. For multi-speaker meetings and depositions, we use AssemblyAI’s diarization, Deepgram Nova diarization, or pyannote-audio with WhisperX for self-hosted. Overlapping speech, speaker count detection, and speaker labeling all tuned per use case. We benchmark diarization error rate (DER) on your actual audio, not synthetic samples.

Can you ensure HIPAA, GDPR, Section 508, and SOC 2 compliance?

Yes. We ship HIPAA-aligned medical transcription (BAAs in place, AWS Transcribe Medical, Azure with BAA, on-premise Whisper), GDPR-compliant audio retention and consent, Section 508 / WCAG 2.2 AA accessibility for captioning, and SOC 2-aligned engineering practices. PII redaction, audit logging, encryption at rest and in transit, and proper data-residency configuration documented for your compliance audits.

Do you offer ongoing support after STT development launch?

Yes. We offer retainer-based support covering Word Error Rate monitoring, provider API version migrations, new model rollouts (Whisper-v3, Nova-2, Universal-2, Azure Speech updates), custom vocabulary maintenance, cost optimization audits, and 24/7 incident response for STT-critical systems. STT providers change pricing and models constantly. Your build needs an active partner, not a project-and-disappear vendor.

What makes Stallyons different from other speech to text development companies?

Three things make our speech to text development company stand out: (1) multi-provider engineering depth across OpenAI Whisper, AssemblyAI, Deepgram, Google, Azure, and AWS, not single-vendor reselling, (2) production-first delivery with 95%+ word accuracy, sub-300ms streaming latency, and 99.95% uptime, and (3) full transparency with fixed-price quotes, shared accuracy benchmarks, and direct senior-engineer access. We are a specialized speech AI engineering team, not a generic web shop.

Do you work with international clients as a remote speech to text development agency?

Yes. Stallyons is a remote-first speech to text development company headquartered to serve USA brands, with active clients across the United States, Canada, UK, Europe, Australia, and the Middle East. Our async processes are designed for transparent collaboration across any time zone, including shared Linear or Jira boards, weekly demos, accuracy dashboards, and Slack Connect channels.

Schedule an appointment with us today!

Ready to Ship Production-Grade Transcription That Drives Results?

Get a FREE STT consultation from our speech to text experts. We will benchmark your audio across multiple providers, identify accuracy and cost opportunities, and map a clear roadmap from brief to production, at zero cost or obligation.

🎤 Speech to Text Services

Speech to Text Services That Transcribe Every Word With 98% Accuracy

🌍 99+ Languages

🎯 98% Accuracy

Triple Accuracy Guarantee:

99+

98%

4.9★

Triple Accuracy Guarantee:

🛍️ 99+ Languages

⚡ 98% Accuracy

99+

98%

4.9★

Client Rating

350+

99.9%

4.9★

Trusted by Innovative Companies Worldwide

What Are Speech to Text Services and Why Accuracy Is the Whole Game

140+

98%

240ms

4.9/5

What We Build

AI-Powered Transcription Solutions Every Voice Workflow

Common Challenges

Signs Your Transcription Feature Is Quietly Costing You Customers

Our Speech-to-Text Development Services

End-to-End Speech to Text Development Services for Voice-First Products

Why Choose Stallyons

Why Choose Stallyons

Why USA Brands Choose Our Speech to Text Services

.

Why Partner with Stallyons

Why Hire a Specialized Speech to Text Development Company

Our Process

Our STT Engineering Process: From Brief to Production in 6 Steps

01

Discovery

03

Engineering

05

QA & Tuning

Provider Selection

02

Integration

04

Launch & MLOps

06

Our Process

Our STT Engineering Process: From Brief to Production in 6 Steps

Discovery

Provider Selection

Engineering

Integration

QA & Tuning

Launch & Monitor

Technology Stack

The Technology Powering Our Speech to Text API Integration Services

STT Providers

Self-Hosted ASR

Real-Time & Streaming

Audio Processing

Infrastructure & Ops

.

Strategic Decision

Strategic Decision

STT Provider Comparison: Whisper vs Deepgram vs AssemblyAI vs Google vs Azure vs AWS

Industries We Serve

STT Solutions Across Every Industry We Serve

Why Choose Stallyons?

Stallyons vs. Other STT Development Agencies

Complete Package

Everything Included in Our STT Development Package

From Audio Brief to Production & Monitoring: We Handle It All

Here's everything included when you partner with Stallyons:

STT Strategy & Discovery

✓ Included

Provider WER Benchmarking