GPT-6 Astra vs Mistral Small 3
Price, context window & benchmark comparison
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Verdict: Mistral Small 3 is 347.8× cheaper than GPT-6 Astra on a typical 3:1 input/output mix. GPT-6 Astra has the larger context window (1.1M vs 33K).
| GPT-6 Astra | Mistral Small 3 | |
|---|---|---|
| Input price / 1M | $10.00 | $0.05 |
| Output price / 1M | $50.00 | $0.08 |
| Blended price (3:1) | $20.00 | $0.0575 |
| Cached input / 1M | $1.00 | — |
| Context window | 1.1M | 33K |
| Max output | 128K | 16K |
| Intelligence index | 52.7 | — |
| Coding index | 76.9 | — |
| Providers | 6 | — |
| Best provider uptime (30m) | 100.0% | — |
| Vision input | Yes | No |
| Reasoning | Yes | No |
| Tool calling | Yes | No |
| Released | 2026-09-04 | 2025-01-30 |
| Retirement | — | — |
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FAQ
Which is cheaper, GPT-6 Astra or Mistral Small 3?
Mistral Small 3 is 347.8× cheaper than GPT-6 Astra on a typical 3:1 input/output mix.
GPT-6 Astra vs Mistral Small 3: which has a bigger context window?
GPT-6 Astra: 1,050,000 tokens. Mistral Small 3: 32,768 tokens.
How much would 1 million requests cost?
At 2,000 input + 500 output tokens per request: GPT-6 Astra ≈ $45,000, Mistral Small 3 ≈ $140.00.
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