Our pickGLM / Z.ai (Zhipu AI)
Mistral AI
Tier-list head-to-head. GLM / Z.ai (Zhipu AI) takes the A-tier slot — here's the breakdown.
Spec sheet
| GLM / Z.ai (Zhipu AI) | Mistral AI | |
|---|---|---|
| Tier | A-tierwin | B-tier |
| Overall score | 8.0 / 10win | 7.5 / 10 |
| Free tier | Yes | Yes |
| Starting price | $0 | $0 |
| Best for | Teams that need genuine MIT-licensed frontier open weights with no commercial strings. | Developers who want cheap, high-quality API access. |
| Last reviewed | 2026-04-17 | 2026-05-04 |
Head-to-head
Rated 1-10 on the same rubric across all 130 tools we cover.
Vibe check
How each tool actually sounds when you talk to it.
“The Z.ai research model”
“The European pragmatist”
What you'll pay
Look past the headline number -- entry-tier limits drive most cost surprises.
Free tier available
Free tier available
GLM-5.1 (744B MoE / 40B active) vs Mistral Medium 3.5 (vendor-published; third-party verification pending)
| Benchmark | GLM / Z.ai (Zhipu AI) | Mistral AI |
|---|---|---|
| HumanEval | 89.1% | 92% |
| SWE-Bench Verified | 64.2% | 77.6% |
The decision
Use-case anchors and category strengths, side by side.
Teams that need genuine MIT-licensed frontier open weights with no commercial strings. Especially strong for agentic workflows and vision (GLM-4.6V).
Visit GLM / Z.ai (Zhipu AI)Developers who want cheap, high-quality API access. Also strong for multilingual applications and European companies that prefer an EU-based AI provider for data residency.
Visit Mistral AIBottom line
GLM / Z.ai (Zhipu AI) edges out Mistral AI by 0.5 points (8.0 vs 7.5) -- 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 GLM / Z.ai (Zhipu AI)'s strengths, so if those categories are your priority, the lead translates.
Pricing-wise, both tools have a free tier (GLM / Z.ai (Zhipu AI) starts $0, Mistral AI starts $0), so you can test either without committing. Compare what each free tier actually unlocks -- usage caps, model access, and feature gates differ a lot more than the headline price suggests, especially as both vendors have tightened limits in 2026.
By use case: pick GLM / Z.ai (Zhipu AI) when teams that need genuine mit-licensed frontier open weights with no commercial strings. Pick Mistral AI when developers who want cheap, high-quality api access. The two tools aren't fighting for the same person -- they're aiming at adjacent jobs that occasionally overlap. If you're squarely in GLM / Z.ai (Zhipu AI)'s lane, the tier-list ranking and the use-case fit point the same direction; if you're in Mistral AI's lane, the score gap matters less than the fit.
Bottom line: GLM / Z.ai (Zhipu AI) is the safer default for most readers, but Mistral AI is competitive enough that the tie-breaker is your specific workload, not the spec sheet.
Keep digging
Full GLM / Z.ai (Zhipu AI) review
Tier A · 8.0/10
Full Mistral AI review
Tier B · 7.5/10
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Built from our daily AI-tool sweep, last touched May 4, 2026. Honest tier-list reviews — no affiliate-link pieces disguised as advice. See the rubric or how we review.