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.
Independent benchmark scores for GPT-5.6 Luna (batch), measured by Artificial Analysis. Higher is better. Measurement mode: max.
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.
GPT-5.6 Luna (batch) is an AI language model from OpenAI. It is a proprietary model, available through an API. It scores 52.3 on the Artificial Analysis intelligence index.
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.
Independent benchmarks from Artificial Analysis give it GPQA 91.1%, Humanity's Last Exam 39.5%, Long Context Reasoning 78.3%, SciCode 52.5%, τ-Bench Banking 31.1%, Terminal-Bench 80.9%. It is particularly used for code generation.
It generates about 165 tokens per second, with a median 65.59s delay before the first token. Measured independently by Artificial Analysis.