Compare / head-to-head
DeepSeek V3vsMistral Medium 3.5
Mistral Medium 3.5 leads 2 of 2 shared benchmarks. 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
0 – 2
Mistral Medium 3.5 leads
Cheaper per token
—
list price, input + output
Larger context
Mistral Medium 3.5
256K tokens
Provider uptime (30d)
100% · 100%
DeepSeek · Mistral AI
DeepSeek V3
DeepSeek · released 2024-12-26
text
- Context
- 128K
- Max out
- 8K
- Input /1M
- —
- Output /1M
- —
- Cached /1M
- —
- Scores
- 8 · 7 core
Mistral Medium 3.5
Mistral AI · released 2026-04-28
textvision
Quality
Benchmark matrix
2 shared · 5 only DeepSeek V3 · 1 only Mistral Medium 3.5| Benchmark | DeepSeek V3 | Mistral Medium 3.5 | Δ | Edge |
|---|---|---|---|---|
| Reported by both · 2 | ||||
| SWE-bench Verified | 42% ↗ | 77.6% ↗ | -35.6 pt | Mistral Medium 3.5 |
| LMArena Elo | 1332.4 ↗ | 1420.6 ↗ | -88.2 | Mistral Medium 3.5 |
| Only DeepSeek V3 reports · 5 | ||||
| GPQA Diamond | 59.1% ↗ | not reported | — | — |
| MMLU | 88.5% ↗ | not reported | — | — |
| MMLU-Pro | 75.9% ↗ | not reported | — | — |
| AIME 2025 | 25% ↗matharena | not reported | — | — |
| OTIS Mock AIME 2024-2025 (Epoch AI run) | 15.8% ↗epoch | not reported | — | — |
| Only Mistral Medium 3.5 reports · 1 | ||||
| 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 DeepSeek V3 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 | DeepSeek V3 | Mistral Medium 3.5 | Edge |
|---|---|---|---|
| Context window | 128K tokens | 256K tokens | Mistral Medium 3.5 |
| Max output | 8K tokens | — | — |
| Input price / 1M | — | $1.5 ↗ | — |
| Output price / 1M | — | $7.5 ↗ | — |
| Cached input / 1M | — | $0.15 ↗ | — |
| Input + output / 1M Lower is cheaper. List prices; batch, tool and regional fees excluded. | — | $9 | — |
| Modalities | text | text · vision | Mistral Medium 3.5 |
| Released | 2024-12-26 | 2026-04-28 | — |
| Cited benchmark scores | 8 | 3 | — |
Reliability
Provider status
Last 60 days · refreshed daily on this page · live on /statusMore matchups
DeepSeek V3 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 DeepSeek V3 and Mistral Medium 3.5 on your own prompts with Respan evals, or route to either through one gateway key with automatic failover.