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GPT-5.6 Luna (batch)API
GPT-5.6 Luna is a fast, cost-efficient model in OpenAI's GPT-5.6 series.
Prices update automatically — checked daily against provider list prices.
- $0.23 per 1M tokens, assuming 3 input for 1 output the convention used by Artificial Analysis
- cheaper than 89% of the 228 commercial models tracked here
- 14 of 100 OpenAI models tracked here, from cheapest
Benchmarks & performance
Independent benchmark scores for GPT-5.6 Luna (batch), measured by Artificial Analysis. Higher is better. Measurement mode: Max.
Models at this level cost $2 per 1M tokens (median of 17) — this one costs $0.23.
Cheaper and better on this index: Claude Haiku 5.5 · Claude Haiku 5.5 (batch) · GLM 5.3 Flash and 7 more
About this model
GPT-5.6 Luna (batch) is a commercial AI model by OpenAI. The specifications below are tracked automatically: pricing is refreshed daily from public list prices, so the numbers on this page reflect the current cost of using the model through its API.
Frequently asked questions
What is GPT-5.6 Luna (batch)?
GPT-5.6 Luna (batch) is an AI language model from OpenAI. It is a proprietary model, available through an API. It scores 37.3 on the Artificial Analysis intelligence index.
Is GPT-5.6 Luna (batch) free?
GPT-5.6 Luna (batch) is not free: it costs $0.1 per million input tokens and $0.6 per million output tokens. Open-weight alternatives can be self-hosted at no per-token cost.
What is GPT-5.6 Luna (batch) good at?
Independent benchmarks from Artificial Analysis give it GPQA 91.1%, Humanity's Last Exam 39.5%, Long Context Reasoning 83.7%, SciCode 53.6%, τ-Bench Banking 31.1%, Terminal-Bench 80.9%. It is particularly used for code generation.