All model prices

gpt-5.1-2025-11-13

OpenAI · gpt-5.1-2025-11-13

gpt-5.1-2025-11-13 from OpenAI: $1.25 per million input tokens, $10 per million output tokens, $0.125 per million cached input tokens. Retires 1 Apr 2027.

Prices in US dollars per million units
RatePriceApplies
Input$1.25 per 1M input tokensOrdinary
Cached input$0.125 per 1M cached input tokensOrdinary
Output$10 per 1M output tokensOrdinary
Input$0.625 per 1M input tokensBATCH tier
Input$0.625 per 1M input tokensFLEX tier
Input$2.5 per 1M input tokensPRIORITY tier
Cached input$0.063 per 1M cached input tokensBATCH tier
Cached input$0.063 per 1M cached input tokensFLEX tier
Cached input$0.25 per 1M cached input tokensPRIORITY tier
Output$5 per 1M output tokensBATCH tier
Output$5 per 1M output tokensFLEX tier
Output$20 per 1M output tokensPRIORITY tier
Retires
1 Apr 2027
Most input tokens
272,000
Most output tokens
128,000