Amazon Transcribe
Automatic speech recognition service that transcribes audio to text and provides analytics.
60 minutes/mo for 12 months
Active · verified 2026-07-17
Free STT AI tiers and credits
Compare source-backed free offers from AI providers in STT. Records show available allowance details, conditions, official evidence, and review dates.
12 providers · source-backed records with verification dates
View the ranked STT comparison
AssemblyAI
Speech recognition API that provides transcription, summarization and audio intelligence services with generous free usage.
$50 credit
Active · verified 2026-07-17
Cartesia
Cartesia provides speech, voice, and voice agents.
$1 credit/mo + 20K credits/mo
Active · verified 2026-09-19
Deepgram
Offers speech-to-text, text-to-speech, voice agent and audio intelligence APIs with high accuracy and low latency.
$200 credit
Active · verified 2026-09-19
ElevenLabs
Generative voice platform offering high-quality text-to-speech, speech-to-speech and voice cloning in many languages.
10K credits/mo
Active · verified 2026-07-17
Gladia
Gladia provides speech-to-text and voice agents.
10 hours/mo
Active · verified 2026-07-17
Google Cloud Speech-to-Text
Cloud speech recognition API supporting multiple languages and audio encoding formats.
60 minutes/mo
Active · verified 2026-07-17
Gradium
Gradium provides TTS, STT, and speech translation.
45K credits/mo
Active · verified 2026-09-19
IBM Watson Speech-to-Text
IBM's speech recognition service supporting real-time and batch transcription.
500 minutes/mo
Active · verified 2026-09-13
Speechmatics
Speechmatics provides speech-to-text, text-to-speech, and voice agents.
$100 credit
Active · verified 2026-09-19
Vapi
Vapi provides pay-as-you-go voice-agent APIs with included calling minutes and a separate conditional startup program.
Free tier
Active · verified 2026-07-17
xAI (Grok)
xAI provides Grok models for chat, real-time web and X search, coding, multimodal generation, and developer APIs.
Free tier
Active · verified 2026-06-24