Grok Speech (STT + TTS APIs)
No free tier
- Speech to Text (batch)$0.10/per hour
- Speech to Text (streaming)$0.20/per hour
- Text to Speech$4.20/per 1M characters
Our pickGrok Speech (STT + TTS APIs)

Soundraw
Tier-list head-to-head. Grok Speech (STT + TTS APIs) takes the A-tier slot — here's the breakdown.
Spec sheet
| Tier | A-tierwin | B-tier |
| Overall score | 8.1 / 10win | 7.3 / 10 |
| Free tier | No | Yeswin |
| Starting price | $0.10 | $0 |
| Best for | Developers building voice agents, real-time transcription tools, accessibility features, or high-volume TTS… | YouTubers, podcasters, and content creators who need quick background music without licensing headaches. |
| Last reviewed | 2026-04-18 | 2026-04-02 |
Head-to-head
Rated 1-10 on the same rubric across all 130 tools we cover.
What you'll pay
Look past the headline number -- entry-tier limits drive most cost surprises.
No free tier
Free tier available
The decision
Use-case anchors and category strengths, side by side.
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)YouTubers, podcasters, and content creators who need quick background music without licensing headaches. The speed and simplicity are genuinely hard to beat.
Visit SoundrawBottom line
Grok Speech (STT + TTS APIs) edges out Soundraw by 0.8 points (8.1 vs 7.3) -- a A-tier vs B-tier split that's narrow but real. Not a blowout; both belong on a shortlist. The score gap shows up most clearly in the categories that matter for Grok Speech (STT + TTS APIs)'s strengths, so if those categories are your priority, the lead translates.
On pricing, Soundraw starts free while Grok Speech (STT + TTS APIs) requires a paid plan from day one ($0.10+). If you're testing the waters or running an occasional workload, that gap matters more than the score differential. Grok Speech (STT + TTS APIs) starts at $0.10; Soundraw starts at $0. Compare what each entry tier actually unlocks before you compare list prices -- the limits matter more than the headline number.
By use case: pick Grok Speech (STT + TTS APIs) when 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. Pick Soundraw when youtubers, podcasters, and content creators who need quick background music without licensing headaches. The two tools aren't fighting for the same person -- they're aiming at adjacent jobs that occasionally overlap. If you're squarely in Grok Speech (STT + TTS APIs)'s lane, the tier-list ranking and the use-case fit point the same direction; if you're in Soundraw's lane, the score gap matters less than the fit.
Bottom line: Grok Speech (STT + TTS APIs) is the safer default for most readers, but Soundraw is competitive enough that the tie-breaker is your specific workload, not the spec sheet.
Keep digging
Full Grok Speech (STT + TTS APIs) review
Tier A · 8.1/10
Full Soundraw review
Tier B · 7.3/10
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Built from our daily AI-tool sweep, last touched April 18, 2026. Honest tier-list reviews — no affiliate-link pieces disguised as advice. See the rubric or how we review.