OpenAI: GPT-5.6 Luna Pro
openai/gpt-5.6-luna-pro
Context: 1,050,000In: $0.20/1MOut: $1.20/1M
GPT-5.6 Luna Pro is the same underlying model as [GPT-5.6 Luna](https://openrouter.ai/openai/gpt-5.6-luna), served with `reasoning.mode` set to `pro` for higher-quality responses on complex tasks. **Cost note:** pro mode spends far more...
Intelligence
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Coding
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Agentic
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Metric profile
Trend over time
No history yet — first sync only. Trends appear over time.
Classic evals (curated from model cards)
OpenAI GPT — manually maintained, may lag releases
MMLU-Pro
79.6%
GPQA Diamond
81.5%
HumanEval
96.8%
MATH-500
93%