GPT-6.1 Sol (gpt-6.1-sol) is now a featured model in the creative authoring picker, alongside GPT-6 Astra, and replaces GPT-5.6 Sol in the featured list. GPT-6 Luna (gpt-6-luna) joins the OpenAI models in the full list. GPT-5.6 Sol stays available.
GPT-6.1 Sol
- Near-Astra performance for complex coding and professional work at a lower cost.
- Priced at $2 / 1M input tokens and $10 / 1M output tokens, with cached input at $0.10 / 1M tokens.
GPT-6 Luna
- An efficient option for focused, high-volume tasks, listed with the other OpenAI models.
- Priced at $0.10 / 1M input tokens and $0.50 / 1M output tokens, with cached input at $0.01 / 1M tokens.
Both models support a 1,050,000-token context window and up to 128,000 output tokens. A request with more than 272,000 input tokens bills at 2x input and cache rates and 1.5x output rates for the full request. Existing GPT-5.6 models remain available.