Grok 4.5 vs Mistral Small 4
Price, context window & benchmark comparison
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Verdict: Mistral Small 4 is 11.4× cheaper than Grok 4.5 on a typical 3:1 input/output mix. Grok 4.5 scores higher on the Artificial Analysis Intelligence Index (38.8 vs 11.3). Grok 4.5 has the larger context window (500K vs 262K).
| Grok 4.5 | Mistral Small 4 | |
|---|---|---|
| Input price / 1M | $2.00 | $0.15 |
| Output price / 1M | $6.00 | $0.60 |
| Blended price (3:1) | $3.00 | $0.26 |
| Cached input / 1M | $0.30 | $0.015 |
| Context window | 500K | 262K |
| Max output | 450K | 210K |
| Intelligence index | 38.8 | 11.3 |
| Coding index | 72.4 | 26.6 |
| Providers | 4 | 3 |
| Best provider uptime (30m) | 100.0% | 100.0% |
| Vision input | Yes | Yes |
| Reasoning | Yes | Yes |
| Tool calling | Yes | Yes |
| Released | 2026-07-08 | 2026-03-16 |
| Retirement | — | — |
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FAQ
Which is cheaper, Grok 4.5 or Mistral Small 4?
Mistral Small 4 is 11.4× cheaper than Grok 4.5 on a typical 3:1 input/output mix.
Grok 4.5 vs Mistral Small 4: which has a bigger context window?
Grok 4.5: 500,000 tokens. Mistral Small 4: 262,144 tokens.
How much would 1 million requests cost?
At 2,000 input + 500 output tokens per request: Grok 4.5 ≈ $7,000, Mistral Small 4 ≈ $600.00.
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