AssemblyAI provides recorded, realtime and synchronous speech transcription APIs plus speech-understanding services.
Best for: Transcription APIs and speech understanding
About this listing
Product and access model reviewed from current official sources; workflow and example are editorial suggestions, not a hands-on test.
Official sourceA transcription API for uploaded or live audio, with multilingual processing, speaker labels, and audio intelligence.
Best suited to
Gladia suits developers adding transcription to an application rather than users seeking a standalone editor.
Gladia suits developers adding transcription to an application rather than users seeking a standalone editor. It supports asynchronous file processing and live audio streams, with structured transcript information that an application can use. Optional audio intelligence can extend the pipeline, but it adds its own usage considerations.
This example describes a task, not a tested output. Adjust the source material and settings to your own situation.
A test call recording containing two speakers and a language change; request timestamps and speaker labels before enabling a summary step.
Result check: Compare the API text to the audio and test how the application handles partial results, errors and silence.
Starter credits are a one-time trial balance, not a monthly free tier. Continued use is billed through prepaid or contracted access. Check transcription, optional analysis and volume terms separately before estimating production costs.
Choose another workflow when its emphasis fits better: Deepgram for another speech API; AssemblyAI for transcription and audio intelligence APIs.
Asynchronous transcription API
Live streaming transcription
Multilingual and code-switching support
Speaker diarization
Summaries and action-item processing
Starter credits are a one-time trial balance, not a monthly free tier. Continued use is billed through prepaid or contracted access. Check transcription, optional analysis and volume terms separately before estimating production costs.
Plan information can change. Prices and conditions are set by the provider. Information checked 2026-10-15.
Source for access detailsOne email a week with pricing and feature changes in this category. No per-tool price alerts.
By subscribing you agree to receive this email from Genius Forges and to us storing your address to send it. We may ask you to confirm by email. Every email has an unsubscribe link. See our privacy policy.
Gladia suits developers adding transcription to an application rather than users seeking a standalone editor. It supports asynchronous file processing and live audio streams, with structured transcript information that an application can use. Optional audio intelligence can extend the pipeline, but it adds its own usage considerations.
Starter credits are a one-time trial balance, not a monthly free tier. Continued use is billed through prepaid or contracted access. Check transcription, optional analysis and volume terms separately before estimating production costs.
Create an account and API key, then choose file or live processing. Submit a short recording or connect a test stream using the documented endpoint.
Compare the API text to the audio and test how the application handles partial results, errors and silence.
Deepgram for another speech API; AssemblyAI for transcription and audio intelligence APIs.
Tell us what needs improving. No account or private output required.
Report incorrect information or a broken linkDocumentation-based review ยท 2026-10-15
Reviewed from the linked official documentation. The workflow and example are editorial suggestions; no account-level product test or measured performance comparison was performed.
AssemblyAI provides recorded, realtime and synchronous speech transcription APIs plus speech-understanding services.
Best for: Transcription APIs and speech understanding
Deepgram supplies speech-to-text, text-to-speech and voice-agent APIs.
Best for: Speech recognition APIs and voice infrastructure
iPhone and iPad app that turns recordings into transcripts, summaries and answers to questions, with 60 free minutes a month.
Best for: ToText is for students, researchers and professionals who record lectures, interviews, voice notes or meetings on an iPhone.