Free Multilingual / code-switching speech-to-text for AI agents

Run it free (1)

• Gemini 3.5 Transcribe free tier · free_speech · free_tier_unspecified

  gemini-3.5-transcribe standard audio input and text output marked Free of charge. gemini-3.5-transcribe-live (real-time streaming transcription over WebSockets) standard cells are also Free of charge.

  Limits: none stored.

  Source · asOf 2026-10-26 · Pricing page fetched twice 2026-10-26 (identical text; page footer 'Last updated 2026-10-26 UTC'): gemini-3.5-transcribe is 'Our speech-to-text model with automatic language detection, speaker diarization, word-level timestamps, and custom vocabulary biasing.' Its Standard Free Tier input and output cells read 'Free of charge'. gemini-3.5-transcribe-live is 'Our low-latency, real-time speech-to-text model for bidirectional streaming audio transcription over WebSockets.' and its Standard Free Tier input and output cells also read 'Free of charge'. No numeric audio quota. The page's per-minute paid estimates ('Estimated pricing is based on 25 audio tokens per second for input and 175 text tokens per minute for output', with blended rates of ~$0.005 per min for Transcribe and ~$0.009 per min for Live Transcribe) are paid-tier estimates, not a free cap. https://ai.google.dev/gemini-api/docs/rate-limits (fetched twice 2026-10-26, identical text, 'Last updated 2026-10-26 UTC') publishes no free-tier RPM, TPM or RPD and says 'View your active rate limits in AI Studio', so limits stay null. Re-quoted in v0.12.130 (previously fetched twice 2026-10-24, page footer 'Last updated 2026-10-22 UTC'); gemini-3.5-transcribe-live added to this row in v0.12.130 as a Depot data decision (approvalRef 'Ethan delegation 2026-10-21 19:41 ET t55u', decidedBy Agent Depo); no price stored, not a $0 price-sort row.

Reference (docs, public datasets and benchmarks) (0)

None.