Compare / head-to-head
GLM-5.1vsMistral Medium 3.5
GLM-5.1 leads 1 of 1 shared benchmark. GLM-5.1 is 1.6x cheaper per token. Mistral Medium 3.5 has the larger context window (256K tokens).
Benchmarks from cited public sources; pricing from official pages; status from official provider feeds.
Shared benchmarks
1 – 0
GLM-5.1 leads
Cheaper per token
GLM-5.1
1.6x cheaper, input + output
Larger context
Mistral Medium 3.5
256K tokens
Provider uptime (30d)
— · 100%
Z.ai · Mistral AI
GLM-5.1
Z.ai · released 2026-04-07
text
Mistral Medium 3.5
Mistral AI · released 2026-04-28
textvision
Quality
Benchmark matrix
1 shared · 6 only GLM-5.1 · 2 only Mistral Medium 3.5| Benchmark | GLM-5.1 | Mistral Medium 3.5 | Δ | Edge |
|---|---|---|---|---|
| Reported by both · 1 | ||||
| LMArena Elo | 1462.4 ↗ | 1420.6 ↗ | +41.8 | GLM-5.1 |
| Only GLM-5.1 reports · 6 | ||||
| GPQA Diamond | 89.9% ↗epoch | not reported | — | — |
| AIME 2026 | 95.8% ↗matharena ⚠ | not reported | — | — |
| FrontierMath Tiers 1-3 v2 (Epoch AI run) | 36.8% ↗epoch | not reported | — | — |
| OTIS Mock AIME 2024-2025 (Epoch AI run) | 93.3% ↗epoch | not reported | — | — |
| SimpleQA Verified | 34% ↗epoch | not reported | — | — |
| SWE-bench Verified (Epoch AI run) | 74.2% ↗epoch | not reported | — | — |
| Only Mistral Medium 3.5 reports · 2 | ||||
| SWE-bench Verified | not reported | 77.6% ↗ | — | — |
| Tau3 Telecom | not reported | 91.4 ↗ | — | — |
Scores tagged "epoch" or "matharena" are independent runs, used only where the lab has not published its own; ⚠ marks rows MathArena flags as released after the competition. Higher is better on every row. Δ is GLM-5.1 minus Mistral Medium 3.5 in the benchmark's own unit. "Not reported" means the lab has not published that figure; it is not a zero. ↗ opens the source.
Specs & pricing
Side by side
Official pricing pages and model cards| Spec | GLM-5.1 | Mistral Medium 3.5 | Edge |
|---|---|---|---|
| Context window | 200K tokens | 256K tokens | Mistral Medium 3.5 |
| Max output | 131K tokens | — | — |
| Input price / 1M | $1.4 ↗ | $1.5 ↗ | GLM-5.1 |
| Output price / 1M | $4.4 ↗ | $7.5 ↗ | GLM-5.1 |
| Cached input / 1M | $0.26 ↗ | $0.15 ↗ | Mistral Medium 3.5 |
| Input + output / 1M Lower is cheaper. List prices; batch, tool and regional fees excluded. | $5.8 | $9 | GLM-5.1 |
| Modalities | text | text · vision | Mistral Medium 3.5 |
| Released | 2026-04-07 | 2026-04-28 | — |
| Cited benchmark scores | 7 | 3 | — |
Reliability
Provider status
Last 60 days · refreshed daily on this page · live on /statusMore matchups
GLM-5.1 vs …
Models sharing the most benchmarksMore matchups
Mistral Medium 3.5 vs …
Models sharing the most benchmarksBuilt by Respan
Which one wins on your data?
Public benchmarks are a starting point. Run GLM-5.1 and Mistral Medium 3.5 on your own prompts with Respan evals, or route to either through one gateway key with automatic failover.