GPT-5 Pro vs Mistral Large 4

Price, context window & benchmark comparison

OpenAI

GPT-5 Pro

OpenAI
$15.00 / $120.00
Input / Output · per 1M tokens
VS
Mistral AI

Mistral Large 4

Mistral AI
$0.70 / $2.10
Input / Output · per 1M tokens
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OpenAI
Mistral AI
Verdict: Mistral Large 4 is 39.3× cheaper than GPT-5 Pro on a typical 3:1 input/output mix. Mistral Large 4 has the larger context window (1M vs 400K).
GPT-5 ProMistral Large 4
Input price / 1M$15.00$0.70
Output price / 1M$120.00$2.10
Blended price (3:1)$41.25$1.05
Cached input / 1M—$0.07
Context window400K1M
Max output128K262K
Intelligence index—26.1
Coding index——
Providers—2
Best provider uptime (30m)—100.0%
Vision inputYesYes
ReasoningYesYes
Tool callingYesYes
Released2025-10-062026-10-06
Retirement2026-12-11—

Cost calculator

FAQ

Which is cheaper, GPT-5 Pro or Mistral Large 4?

Mistral Large 4 is 39.3× cheaper than GPT-5 Pro on a typical 3:1 input/output mix.

GPT-5 Pro vs Mistral Large 4: which has a bigger context window?

GPT-5 Pro: 400,000 tokens. Mistral Large 4: 1,048,576 tokens.

How much would 1 million requests cost?

At 2,000 input + 500 output tokens per request: GPT-5 Pro ≈ $90,000, Mistral Large 4 ≈ $2,450.

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