GPT-6 Luna Pro vs o4 Mini

Price, context window & benchmark comparison

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GPT-6 Luna Pro

OpenAI
$0.10 / $0.50
Input / Output · per 1M tokens
VS
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o4 Mini

OpenAI
$1.10 / $4.40
Input / Output · per 1M tokens
Compare different models
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Verdict: GPT-6 Luna Pro is 9.6× cheaper than o4 Mini on a typical 3:1 input/output mix. GPT-6 Luna Pro has the larger context window (1.1M vs 200K).
GPT-6 Luna Proo4 Mini
Input price / 1M$0.10$1.10
Output price / 1M$0.50$4.40
Blended price (3:1)$0.20$1.93
Cached input / 1M$0.01$0.28
Context window1.1M200K
Max output128K100K
Intelligence index
Coding index
Providers6
Best provider uptime (30m)100.0%
Vision inputYesYes
ReasoningYesYes
Tool callingYesYes
Released2026-09-222025-04-16
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FAQ

Which is cheaper, GPT-6 Luna Pro or o4 Mini?

GPT-6 Luna Pro is 9.6× cheaper than o4 Mini on a typical 3:1 input/output mix.

GPT-6 Luna Pro vs o4 Mini: which has a bigger context window?

GPT-6 Luna Pro: 1,050,000 tokens. o4 Mini: 200,000 tokens.

How much would 1 million requests cost?

At 2,000 input + 500 output tokens per request: GPT-6 Luna Pro ≈ $450.00, o4 Mini ≈ $4,400.

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