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GPT-6 Luna Pro

OpenAI model, released 22 Sept 2026.

$0.1
per 1M input tokens
$0.5
per 1M output tokens
$0.01
per 1M cached-read tokens
Calculate what your real prompts cost on GPT-6 Luna Pro

Price history

Price stable since we started tracking (23 Sept 2026). History will chart here as soon as it moves.

Specifications

Lab
OpenAI
Released
22 Sept 2026
Context window
1.1M tokens
Max output
128k tokens
Input modalities
file, image, text
Output modalities
text
Knowledge cutoff
Open source
No

Frequently asked questions

How much does GPT-6 Luna Pro cost?

GPT-6 Luna Pro costs $0.1 per 1M input tokens and $0.5 per 1M output tokens (list price, updated every 6 hours).

What is GPT-6 Luna Pro's context window?

GPT-6 Luna Pro supports a 1.1M-token context window with up to 128k output tokens.

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