Gemini 4 Argon ignores temperature=0 without an error. The prompt and agent-loop habits Google's migration docs retire
send temperature=0 to Gemini 4 Argon and the request goes through. Argon throws the value away. AI Studio returns a deprecation warning, and the Vertex guide says the backend ignores custom values. we went through Google's AI Studio developer guide, the Vertex Argon guide, and this week's GitHub is…
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- 2026-10-16 14:49 · r/PromptEngineering
Gemini 4 Argon ignores temperature=0 without an error. The prompt and agent-loop habits Google's migration docs retire