GPT-5.4 Nano vs Mistral Small 4
Price, context window & benchmark comparison
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Verdict: Mistral Small 4 is 43% cheaper than GPT-5.4 Nano on a typical 3:1 input/output mix. GPT-5.4 Nano scores higher on the Artificial Analysis Intelligence Index (20.7 vs 11.3). GPT-5.4 Nano has the larger context window (400K vs 262K).
| GPT-5.4 Nano | Mistral Small 4 | |
|---|---|---|
| Input price / 1M | $0.20 | $0.15 |
| Output price / 1M | $1.25 | $0.60 |
| Blended price (3:1) | $0.46 | $0.26 |
| Cached input / 1M | $0.02 | $0.015 |
| Context window | 400K | 262K |
| Max output | 128K | 210K |
| Intelligence index | 20.7 | 11.3 |
| Coding index | 56.1 | 26.6 |
| Providers | — | 3 |
| Best provider uptime (30m) | — | 100.0% |
| Vision input | Yes | Yes |
| Reasoning | Yes | Yes |
| Tool calling | Yes | Yes |
| Released | 2026-03-17 | 2026-03-16 |
| Retirement | — | — |
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FAQ
Which is cheaper, GPT-5.4 Nano or Mistral Small 4?
Mistral Small 4 is 43% cheaper than GPT-5.4 Nano on a typical 3:1 input/output mix.
GPT-5.4 Nano vs Mistral Small 4: which has a bigger context window?
GPT-5.4 Nano: 400,000 tokens. Mistral Small 4: 262,144 tokens.
How much would 1 million requests cost?
At 2,000 input + 500 output tokens per request: GPT-5.4 Nano ≈ $1,025, Mistral Small 4 ≈ $600.00.
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