GPT-6 Astra vs Mistral Small 3.1 24B

Price, context window & benchmark comparison

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GPT-6 Astra

OpenAI
$10.00 / $50.00
Input / Output · per 1M tokens
VS
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Mistral Small 3.1 24B

Mistral AI
$0.35 / $0.56
Input / Output · per 1M tokens
Compare different models
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Verdict: Mistral Small 3.1 24B is 49.8× cheaper than GPT-6 Astra on a typical 3:1 input/output mix. GPT-6 Astra has the larger context window (1.1M vs 128K).
GPT-6 AstraMistral Small 3.1 24B
Input price / 1M$10.00$0.35
Output price / 1M$50.00$0.56
Blended price (3:1)$20.00$0.40
Cached input / 1M$1.00
Context window1.1M128K
Max output128K102K
Intelligence index52.7
Coding index76.9
Providers6
Best provider uptime (30m)100.0%
Vision inputYesYes
ReasoningYesNo
Tool callingYesYes
Released2026-09-042025-03-17
Retirement

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FAQ

Which is cheaper, GPT-6 Astra or Mistral Small 3.1 24B?

Mistral Small 3.1 24B is 49.8× cheaper than GPT-6 Astra on a typical 3:1 input/output mix.

GPT-6 Astra vs Mistral Small 3.1 24B: which has a bigger context window?

GPT-6 Astra: 1,050,000 tokens. Mistral Small 3.1 24B: 128,000 tokens.

How much would 1 million requests cost?

At 2,000 input + 500 output tokens per request: GPT-6 Astra ≈ $45,000, Mistral Small 3.1 24B ≈ $979.50.

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