OpenAI: GPT-5.6 Luna Pro

Pricing, context window and lifecycle for openai/gpt-5.6-luna-pro, tracked from what the vendor publishes.

Price per million tokens

Input$0.200
Output$1.20
Cache price (read)$0.020
Cache price (write)$0.250
Max price$1.20

Facts

Model IDopenai/gpt-5.6-luna-pro
VendorOpenAI
Token limit (context window)1,050,000 tokens
Knowledge cutoff2026-02-16
End of lifenone published

Supported parameters

include_reasoning, max_completion_tokens, max_tokens, reasoning, reasoning_effort, response_format, seed, structured_outputs, tool_choice, tools

Other OpenAI models

Change history

Every change we have observed since tracking began.

DetectedChangeDetail
2026-08-17 19:14Pricing ChangeOutput $0.600 -> $1.20 (+100.0%) · Cache price (read) $0.010 -> $0.020 (+100.0%) · Cache price (write) $0.125 -> $0.250 (+100.0%) · overrides - -> - · Input $0.100 -> $0.200 (+100.0%)
2026-08-14 19:14Pricing Changeweb search $5000.00 -> $10000.00 (+100.0%)
2026-07-30 19:10Pricing ChangeOutput $3.00 -> $0.600 (-80.0%) · Cache price (read) $0.050 -> $0.010 (-80.0%) · Cache price (write) $0.625 -> $0.125 (-80.0%) · overrides - -> - · Input $0.500 -> $0.100 (-80.0%)

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