MiniMax M2.7
Free tier available
- Self-hosted (Free)$0
- API (M2 / M2.5 reference, MiniMax / OpenRouter)$0.30/per 1M input tokens
- API (M2.7)Not yet published
Our pickA
8.4/10MiniMax M2.7
VS
A
8.1/10Grok Speech (STT + TTS APIs)
MiniMax M2.7 vs Grok Speech (STT + TTS APIs)
Tier-list head-to-head. MiniMax M2.7 takes the A-tier slot — here's the breakdown.
Last reviewed April 27, 2026· sweep-fresh
Spec sheet
At a glance
| MiniMax M2.7 | Grok Speech (STT + TTS APIs) | |
|---|---|---|
| Tier | A-tierwin | A-tier |
| Overall score | 8.4 / 10win | 8.1 / 10 |
| Free tier | Yeswin | No |
| Starting price | $0 | $0.10 |
| Best for | Agentic coding and tool-use workflows on a budget. | Developers building voice agents, real-time transcription tools, accessibility features, or high-volume TTS… |
| Last reviewed | 2026-04-27 | 2026-04-18 |
Head-to-head
Score showdown
Rated 1-10 on the same rubric across all 130 tools we cover.
Ease of use+0.5 Grok Speech (STT + TTS APIs)
MiniMax M2.7
6.5
Grok Speech (STT + TTS APIs)
7.0
Output quality+0.5 MiniMax M2.7
MiniMax M2.7
9.0
Grok Speech (STT + TTS APIs)
8.5
Value+0.5 MiniMax M2.7
MiniMax M2.7
9.5
Grok Speech (STT + TTS APIs)
9.0
Features+0.5 MiniMax M2.7
MiniMax M2.7
8.5
Grok Speech (STT + TTS APIs)
8.0
Overall+0.3 MiniMax M2.7
MiniMax M2.7
8.4
Grok Speech (STT + TTS APIs)
8.1
What you'll pay
Pricing snapshot
Look past the headline number -- entry-tier limits drive most cost surprises.
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
Benchmark Head-to-Head
MiniMax-M2.7 (229B total, ~10B active MoE) -- self-evolving agent positioning per vendor benchmarks — Grok Speech (STT + TTS APIs) has no published benchmarks
| Benchmark | Description | Score |
|---|---|---|
| SWE-Bench Pro | 56.22% | |
| Terminal Bench 2 | 57% | |
| SWE Multilingual | 76.5% | |
| Multi SWE Bench | 52.7% | |
| VIBE-Pro | 55.6% |
The decision
Which should you pick?
Use-case anchors and category strengths, side by side.
Pick MiniMax M2.7if…
A
8.4/10- ✓Free tier lets you actually try it before paying
- ✓Agentic coding and tool-use workflows on a budget.
- ✓Best price-to-SWE-Bench ratio of any open-weights model in 2026.
Agentic coding and tool-use workflows on a budget. Best price-to-SWE-Bench ratio of any open-weights model in 2026.
Visit MiniMax M2.7Pick Grok Speech (STT + TTS APIs)if…
A
8.1/10- ✓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.
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)Bottom line
The verdict
MiniMax M2.7 edges out Grok Speech (STT + TTS APIs) by 0.3 points (8.4 vs 8.1) -- a A-tier vs A-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 MiniMax M2.7's strengths, so if those categories are your priority, the lead translates.
On pricing, MiniMax M2.7 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. MiniMax M2.7 starts at $0; Grok Speech (STT + TTS APIs) starts at $0.10. Compare what each entry tier actually unlocks before you compare list prices -- the limits matter more than the headline number.
By use case: pick MiniMax M2.7 when agentic coding and tool-use workflows on a budget. 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. The two tools aren't fighting for the same person -- they're aiming at adjacent jobs that occasionally overlap. If you're squarely in MiniMax M2.7's lane, the tier-list ranking and the use-case fit point the same direction; if you're in Grok Speech (STT + TTS APIs)'s lane, the score gap matters less than the fit.
Bottom line: MiniMax M2.7 is the safer default for most readers, but Grok Speech (STT + TTS APIs) is competitive enough that the tie-breaker is your specific workload, not the spec sheet.
Keep digging
Compare more & explore
Full MiniMax M2.7 review
Tier A · 8.4/10
Full Grok Speech (STT + TTS APIs) review
Tier A · 8.1/10
MiniMax M2.7 alternatives
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Grok Speech (STT + TTS APIs) alternatives
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Compare Grok Speech (STT + TTS APIs) vs:Nano Banana 2 (Gemini 3.1 Flash Image)Muse Spark (Meta)Qwen (Alibaba)Seedance 2.0
Built from our daily AI-tool sweep, last touched April 27, 2026. Honest tier-list reviews — no affiliate-link pieces disguised as advice. See the rubric or how we review.