← Tuesday, September 29, 2026Models & trainingRelease

llm 0.36 adds GPT-6 models and rejects conversation history for single-turn models

simonwillison.net Editor score 7/10

The release adds GPT-6 Sol and Luna, lets plugins declare models that do not support conversation history, and wraps reasoning traces in expandable log sections. The history check helps prevent incompatible prompts from reaching single-turn models.

What
llm 0.36 adds GPT-6 Sol and GPT-6 Luna models to command-line access.
How
Plugins can mark models as single-turn; LLM rejects assistant or tool history, and llm chat blocks them before a session starts.
Why it matters
This explicit history check helps AI integrations fail clearly when a model cannot accept multi-turn context.

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