AI summarized from verified sources
Easier model choice for smarter everyday work
You can choose the right balance of speed and capability.
SOURCE CHECK
43 sources
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Key Points
- 1Three tracks: Sol, Terra, Luna
- 2More control in the Responses API
- 3Expanded image input handling
OpenAI made the GPT-5.6 family generally available across ChatGPT, Codex, and the API. It improves reasoning, tool use, and image handling, making model selection easier for different workloads.
Key points
GPT-5.6 launched on July 9, 2026 and is rolling out across ChatGPT, Codex, and the OpenAI API. It comes in three variants—Sol, Terra, and Luna—so teams can match capability to workload.
Impact
More control over reasoning and tool use makes the model easier to tune for different tasks. Everyday users should also see more consistent behavior.
What changed
OpenAI made the GPT-5.6 family generally available across ChatGPT, Codex, and the API. It improves reasoning, tool use, and image handling, making model selection easier for different workloads.