AI summarized from verified sources
You can move from conversation to documents faster
Helps you handle research and document work with one model.
SOURCE CHECK
43 sources
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Primary / openai.com
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Key Points
- 1Three sizes: Sol, Terra, and Luna
- 2Better documents, spreadsheets, and presentations
- 3Easier to choose performance and cost in the API
- 4Prompt caching is also more predictable
OpenAI has generally released GPT-5.6 and improved performance across conversation, research, document creation, and coding. The API now offers three sizes, making it easier to match capability and cost to the task.
What happened
On July 9, OpenAI released GPT-5.6 and introduced three models: Sol, Terra, and Luna. The update aims to improve work across browsing, tool use, documents, coding, and general conversation.
Why it matters
GPT-5.6 is designed to improve both the quality and efficiency of knowledge work. Pricing and caching were also updated, making the models easier to use in real deployments.
Impact for users
People using AI for work can move more easily from research to proposals, spreadsheets, and presentations in one flow. API users can choose between speed and cost depending on the task.