GPT-6 Luna vs GPT Chat Latest

Price, context window & benchmark comparison

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GPT-6 Luna

OpenAI
$0.10 / $0.50
Input / Output · per 1M tokens
VS
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GPT Chat Latest

OpenAI
$5.00 / $30.00
Input / Output · per 1M tokens
Compare different models
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Verdict: GPT-6 Luna is 56.3× cheaper than GPT Chat Latest on a typical 3:1 input/output mix. GPT-6 Luna has the larger context window (1.1M vs 400K).
GPT-6 LunaGPT Chat Latest
Input price / 1M$0.10$5.00
Output price / 1M$0.50$30.00
Blended price (3:1)$0.20$11.25
Cached input / 1M$0.01$0.50
Context window1.1M400K
Max output128K128K
Intelligence index37.3
Coding index
Providers7
Best provider uptime (30m)100.0%
Vision inputYesYes
ReasoningYesNo
Tool callingYesYes
Released2026-09-222026-05-05
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FAQ

Which is cheaper, GPT-6 Luna or GPT Chat Latest?

GPT-6 Luna is 56.3× cheaper than GPT Chat Latest on a typical 3:1 input/output mix.

GPT-6 Luna vs GPT Chat Latest: which has a bigger context window?

GPT-6 Luna: 1,050,000 tokens. GPT Chat Latest: 400,000 tokens.

How much would 1 million requests cost?

At 2,000 input + 500 output tokens per request: GPT-6 Luna ≈ $450.00, GPT Chat Latest ≈ $25,000.

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