Cohere Transcribe vs Grok Speech (STT + TTS APIs)
Which one should you pick? Here's the full breakdown.
Cohere Transcribe
Cohere's first audio model -- launched 2026-03-26 under Apache 2.0, 2B parameters, #1 on Hugging Face Open ASR Leaderboard (5.42 avg WER), 14 enterprise-critical languages. Free API with rate limits; Model Vault for production
Grok Speech (STT + TTS APIs)
xAI's standalone voice APIs -- launched 2026-04-17. Built on the stack that powers Grok Voice, Tesla vehicles, and Starlink customer support. $0.10/hr STT batch, $4.20 per 1M characters TTS, 25+ languages, word-level timestamps + speaker diarization
| Category | Cohere Transcribe | Grok Speech (STT + TTS APIs) |
|---|---|---|
| Ease of Use | 7.0 | 7.0 |
| Output Quality | 9.0 | 8.5 |
| Value | 9.0 | 9.0 |
| Features | 7.0 | 8.0 |
| Overall | 8.0 | 8.1 |
Pricing Comparison
| Feature | Cohere Transcribe | Grok Speech (STT + TTS APIs) |
|---|---|---|
| Free Tier | Yes | No |
| Starting Price | $0 | $0.10 |
Which Should You Pick?
Pick Cohere Transcribe if...
- ✓Has a free tier
Enterprise teams transcribing English, European, and major APAC languages at scale who want open weights they can self-host, fine-tune, or deploy on-prem. The Apache 2.0 license removes a major procurement blocker compared to proprietary ASR, and the accuracy tier is now best-in-class for open models.
Visit Cohere TranscribePick Grok Speech (STT + TTS APIs) if...
- ✓More features (8 vs 7)
Developers building voice agents, real-time transcription tools, accessibility features, or high-volume TTS workloads where the cost per hour of audio actually matters at scale. Strong fit for phone-call and meeting transcription use cases where xAI's published WER advantage (5.0% on phone-call entities vs. ElevenLabs 12.0%) compounds quickly.
Visit Grok Speech (STT + TTS APIs)Our Verdict
Cohere Transcribe and Grok Speech (STT + TTS APIs) are extremely close overall. Your choice comes down to specific needs -- Cohere Transcribe is better for enterprise teams transcribing english, european, and major apac languages at scale who want open weights they can self-host, fine-tune, or deploy on-prem, while Grok Speech (STT + TTS APIs) works best for developers building voice agents, real-time transcription tools, accessibility features, or high-volume tts workloads where the cost per hour of audio actually matters at scale.