GPT-5 · featureminimal reasoning effort value

Unverified: one source, not a primary one. Asserted once a primary source or a second independent domain confirms it.

Valid from

2025-08-07

Valid until

still holds

Published

2025-08-07

Recorded by AsOf

2026-11-01

Checked

2026-11-01 · its source page states the value and the date

Confidence

0.50

Sources

“Aug 7 Feature v1/chat/completions v1/responses Released GPT-5 family of models in the API, including gpt-5 , gpt-5-mini , and gpt-5-nano . Introduced the minimal reasoning effort value to optimize for fast responses in GPT-5 models (which support reasoning).”— what the page says, read 2026-11-01

• OpenAI API changelog, August 7, 2025secondary · developers.openai.com · 2025-08-07

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