Compare / head-to-head
GPT-4ovsMistral Small 4
Mistral Small 4 leads 1 of 1 shared benchmark. Mistral Small 4 is 16.7x cheaper per token. Mistral Small 4 has the larger context window (256K tokens).
Benchmarks from cited public sources; pricing from official pages; status from official provider feeds.
Shared benchmarks
0 – 1
Mistral Small 4 leads
Cheaper per token
Mistral Small 4
16.7x cheaper, input + output
Larger context
Mistral Small 4
256K tokens
Provider uptime (30d)
94.2446% · 100%
OpenAI · Mistral AI
GPT-4o
OpenAI · released 2024-05-13
textvision
Mistral Small 4
Mistral AI · released 2026-03-16
textvision
Quality
Benchmark matrix
1 shared · 7 only GPT-4o · 2 only Mistral Small 4| Benchmark | GPT-4o | Mistral Small 4 | Δ | Edge |
|---|---|---|---|---|
| Reported by both · 1 | ||||
| GPQA Diamond | 46% ↗ | 71.2% ↗ | -25.2 pt | Mistral Small 4 |
| Only GPT-4o reports · 7 | ||||
| MMLU | 85.7% ↗ | not reported | — | — |
| AIME 2025 | 11.7% ↗matharena | not reported | — | — |
| AIME 2024 | 13.1% ↗ | not reported | — | — |
| FrontierMath Tiers 1-3 v2 (Epoch AI run) | 0.4% ↗epoch | not reported | — | — |
| OTIS Mock AIME 2024-2025 (Epoch AI run) | 6.4% ↗epoch | not reported | — | — |
| SimpleQA Verified | 26% ↗epoch | not reported | — | — |
| SWE-bench Verified (Epoch AI run) | 31% ↗epoch | not reported | — | — |
| Only Mistral Small 4 reports · 2 | ||||
| MMLU-Pro | not reported | 78% ↗ | — | — |
| Artificial Analysis Long Context Reasoning | not reported | 0.72 ↗ | — | — |
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 GPT-4o minus Mistral Small 4 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 | GPT-4o | Mistral Small 4 | Edge |
|---|---|---|---|
| Context window | 128K tokens | 256K tokens | Mistral Small 4 |
| Max output | 16K tokens | — | — |
| Input price / 1M | $2.5 ↗ | $0.15 ↗ | Mistral Small 4 |
| Output price / 1M | $10 ↗ | $0.6 ↗ | Mistral Small 4 |
| Cached input / 1M | $1.25 ↗ | $0.015 ↗ | Mistral Small 4 |
| Input + output / 1M Lower is cheaper. List prices; batch, tool and regional fees excluded. | $12.5 | $0.75 | Mistral Small 4 |
| Modalities | text · vision | text · vision | Tie |
| Released | 2024-05-13 | 2026-03-16 | — |
| Cited benchmark scores | 9 | 3 | — |
Reliability
Provider status
Last 60 days · refreshed daily on this page · live on /statusMore matchups
GPT-4o vs …
Models sharing the most benchmarksMore matchups
Mistral Small 4 vs …
Models sharing the most benchmarksBuilt by Respan
Which one wins on your data?
Public benchmarks are a starting point. Run GPT-4o and Mistral Small 4 on your own prompts with Respan evals, or route to either through one gateway key with automatic failover.