GPT-5.6 Luna vs Ministral 3 8B 2512

Price, context window & benchmark comparison

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GPT-5.6 Luna

OpenAI
$0.20 / $1.20
Input / Output · per 1M tokens
VS
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Ministral 3 8B 2512

Mistral AI
$0.15 / $0.15
Input / Output · per 1M tokens
Compare different models
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Verdict: Ministral 3 8B 2512 is 3.0× cheaper than GPT-5.6 Luna on a typical 3:1 input/output mix. GPT-5.6 Luna scores higher on the Artificial Analysis Intelligence Index (37.3 vs 5.5). GPT-5.6 Luna has the larger context window (1.1M vs 262K).
GPT-5.6 LunaMinistral 3 8B 2512
Input price / 1M$0.20$0.15
Output price / 1M$1.20$0.15
Blended price (3:1)$0.45$0.15
Cached input / 1M$0.02$0.015
Context window1.1M262K
Max output128K210K
Intelligence index37.35.5
Coding index71.49.7
Providers73
Best provider uptime (30m)100.0%98.8%
Vision inputYesYes
ReasoningYesNo
Tool callingYesYes
Released2026-07-092025-12-02
Retirement

Cost calculator

FAQ

Which is cheaper, GPT-5.6 Luna or Ministral 3 8B 2512?

Ministral 3 8B 2512 is 3.0× cheaper than GPT-5.6 Luna on a typical 3:1 input/output mix.

GPT-5.6 Luna vs Ministral 3 8B 2512: which has a bigger context window?

GPT-5.6 Luna: 1,050,000 tokens. Ministral 3 8B 2512: 262,144 tokens.

How much would 1 million requests cost?

At 2,000 input + 500 output tokens per request: GPT-5.6 Luna ≈ $1,000, Ministral 3 8B 2512 ≈ $375.00.

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