GPT-6 Astra vs Mistral Medium 3

Price, context window & benchmark comparison

OpenAI

GPT-6 Astra

OpenAI
$10.00 / $50.00
Input / Output · per 1M tokens
VS
Mistral AI

Mistral Medium 3

Mistral AI
$0.40 / $2.00
Input / Output · per 1M tokens
Compare different models
OpenAI
Mistral AI
Verdict: Mistral Medium 3 is 25.0× cheaper than GPT-6 Astra on a typical 3:1 input/output mix. GPT-6 Astra has the larger context window (1.1M vs 131K).
GPT-6 AstraMistral Medium 3
Input price / 1M$10.00$0.40
Output price / 1M$50.00$2.00
Blended price (3:1)$20.00$0.80
Cached input / 1M$1.00$0.04
Context window1.1M131K
Max output128K105K
Intelligence index52.7
Coding index76.9
Providers6
Best provider uptime (30m)100.0%
Vision inputYesYes
ReasoningYesNo
Tool callingYesYes
Released2026-09-042025-05-07
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FAQ

Which is cheaper, GPT-6 Astra or Mistral Medium 3?

Mistral Medium 3 is 25.0× cheaper than GPT-6 Astra on a typical 3:1 input/output mix.

GPT-6 Astra vs Mistral Medium 3: which has a bigger context window?

GPT-6 Astra: 1,050,000 tokens. Mistral Medium 3: 131,072 tokens.

How much would 1 million requests cost?

At 2,000 input + 500 output tokens per request: GPT-6 Astra ≈ $45,000, Mistral Medium 3 ≈ $1,800.

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