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GPT-5.1

openai · gpt-5.1 · older generation

Current price

Input / MTok
$1.25
Output / MTok
$10
Cache read / MTok
$0.13
Cache write / MTok
—

Effective 2026-08-01. Source: https://raw.githubusercontent.com/BerriAI/litellm/main/model_prices_and_context_window.json. Retrieved 2026-09-15.

Full price history

EffectiveInput $/MTokOutput $/MTokCache read $/MTokCache write $/MTokSource
2026-08-01$1.25$10$0.13—source