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GPT-4o vs Mistral Medium 3
A detailed comparison of GPT-4o (OpenAI) and Mistral Medium 3 (Mistral) across pricing, performance, and features.
Pricing Comparison
| Metric | GPT-4o | Mistral Medium 3 | Difference |
|---|---|---|---|
| Input / 1M tokens | $2.50 | $0.40 | -84% |
| Output / 1M tokens | $10.00 | $2.00 | -80% |
| Context window | 128K | 128K | — |
| Max output | 16.384K | 16.384K | — |
Benchmark Comparison
| Benchmark | GPT-4o | Mistral Medium 3 |
|---|---|---|
| MMLU-Pro | 80.5% | 76% |
| HumanEval | 91% | 87% |
| GPQA | 64.2% | — |
Capabilities
| Capability | GPT-4o | Mistral Medium 3 |
|---|---|---|
| audio | ✓ | ✗ |
| code | ✓ | ✓ |
| text | ✓ | ✓ |
| tool-use | ✓ | ✓ |
| vision | ✓ | ✓ |
GPT-4o Strengths
- ✓Well-established and reliable
- ✓Large ecosystem of tools and integrations
GPT-4o Weaknesses
- ✗Being superseded by GPT-5 series
- ✗Higher price than newer, better alternatives
Mistral Medium 3 Strengths
- ✓Very affordable for mid-tier quality
- ✓Good multilingual performance
Mistral Medium 3 Weaknesses
- ✗Lags behind on reasoning benchmarks
- ✗Smaller community and tooling
Quick Verdict
Best value: Mistral Medium 3 is the more affordable option at $0.4/$2 per 1M tokens.
Higher benchmarks: Mistral Medium 3 scores higher on average across available benchmarks (81.5% avg).
Choose Mistral Medium 3 if cost matters most. Choose GPT-4o if you need the best possible quality for complex tasks.