GPT-5.6 Luna Pro
Learn more in OpenAI's docs: https://developers.openai.com/api/docs/guides/reasoning#reasoning-mode
Specifications
Technical details and pricing.
Benchmarks
4 benchmark scores from Artificial Analysis.
Composite Indices
Higher is better; speed and price are normalized
Standard Benchmarks
Only benchmarks with data are shown
Frequently Asked Questions
What is GPT-5.6 Luna Pro good for?
Use GPT-5.6 Luna Pro for everyday tasks like writing, summarizing, brainstorming, and getting clear explanations.
How much does GPT-5.6 Luna Pro cost?
Pricing is based on usage. Current rates are $1.00/1M tokens for input and $6.00/1M tokens for output.
Can I use GPT-5.6 Luna Pro in LLMBase Chat?
Yes. Use the chat action on this page to open GPT-5.6 Luna Pro in LLMBase Chat. Access still follows the current plan and model tier.
Does GPT-5.6 Luna Pro support images or audio?
GPT-5.6 Luna Pro can understand images.
Similar Models
Other models you might want to explore.
Benchmarks and pricing use Artificial Analysis where available. Catalog specs are used as a fallback.