GPT-6.1 Sol Pro vs Mistral Medium 3.5
Price, context window & benchmark comparison
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Verdict: Mistral Medium 3.5 is 25% cheaper than GPT-6.1 Sol Pro on a typical 3:1 input/output mix. GPT-6.1 Sol Pro has the larger context window (1.1M vs 262K).
| GPT-6.1 Sol Pro | Mistral Medium 3.5 | |
|---|---|---|
| Input price / 1M | $2.00 | $1.50 |
| Output price / 1M | $10.00 | $7.50 |
| Blended price (3:1) | $4.00 | $3.00 |
| Cached input / 1M | $0.10 | — |
| Context window | 1.1M | 262K |
| Max output | 128K | 210K |
| Intelligence index | — | 4.6 |
| Coding index | — | 46.9 |
| Providers | 7 | 2 |
| Best provider uptime (30m) | 100.0% | 100.0% |
| Vision input | Yes | Yes |
| Reasoning | Yes | Yes |
| Tool calling | Yes | Yes |
| Released | 2026-09-29 | 2026-04-30 |
| Retirement | — | — |
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FAQ
Which is cheaper, GPT-6.1 Sol Pro or Mistral Medium 3.5?
Mistral Medium 3.5 is 25% cheaper than GPT-6.1 Sol Pro on a typical 3:1 input/output mix.
GPT-6.1 Sol Pro vs Mistral Medium 3.5: which has a bigger context window?
GPT-6.1 Sol Pro: 1,050,000 tokens. Mistral Medium 3.5: 262,144 tokens.
How much would 1 million requests cost?
At 2,000 input + 500 output tokens per request: GPT-6.1 Sol Pro ≈ $9,000, Mistral Medium 3.5 ≈ $6,750.
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