GPT-5.1

GPT-5.1

Developer	OpenAI
Release date	November 13, 2025
Family	GPT
Generation	GPT-5.1
Level
Context window	400K tokens
Max output	128K tokens
Input	Image, text, file
Output	Text
Knowledge cutoff	2024-09-30
Weights	Closed
Predecessor	GPT-5
Successor	GPT-5.2
Website	openai.com
Links	Docs

Part of a series on

input: $1.25
cached: $0.125
output: $10.00
Context: 400Ktokens
Released: 12mo ago

Infrastructure

Provider availability

Provider	Endpoint	Context	Input /M tokens	Output /M tokens	Cached input /M tokens	Cache write /M tokens	Uptime 1d	Data handling
OpenAI	openai/flex	400K	$0.625	$5.00	$0.0625	—	100.00%	ZDR: No Training: Unknown Prompt logging: Unknown Retention: Unknown ZDR source Privacy policy Checked 2026-11-12
OpenAI	openai/flexBatch pricing	400K	$0.625	$5.00	$0.0625	—	100.00%	ZDR: No Training: Unknown Prompt logging: Unknown Retention: Unknown ZDR source Privacy policy Checked 2026-11-12
Azure	azure	400K	$1.25	$10.00	$0.13	—	100.00%	ZDR: Yes Training: Unknown Prompt logging: Unknown Retention: Unknown ZDR source Privacy policy Checked 2026-11-12
Azure	azureBatch pricing	400K	$1.25	$10.00	$0.13	—	100.00%	ZDR: No Training: Unknown Prompt logging: Unknown Retention: Unknown ZDR source Privacy policy Checked 2026-11-12
OpenAI	openai	400K	$1.25	$10.00	$0.125	—	100.00%	ZDR: No Training: Unknown Prompt logging: Unknown Retention: Unknown ZDR source Privacy policy Checked 2026-11-12
OpenAI	openaiBatch pricing	400K	$1.25	$10.00	$0.125	—	100.00%	ZDR: No Training: Unknown Prompt logging: Unknown Retention: Unknown ZDR source Privacy policy Checked 2026-11-12
Azure	azure/swedencentral	400K	$1.375	$11.00	$0.143	—	—	ZDR: Yes Training: Unknown Prompt logging: Unknown Retention: Unknown ZDR source Privacy policy Checked 2026-11-12
Azure	azure/swedencentralBatch pricing	400K	$1.375	$11.00	$0.143	—	100.00%	ZDR: No Training: Unknown Prompt logging: Unknown Retention: Unknown ZDR source Privacy policy Checked 2026-11-12
OpenAI	openai/fast	400K	$2.50	$20.00	$0.25	—	—	ZDR: No Training: Unknown Prompt logging: Unknown Retention: Unknown ZDR source Privacy policy Checked 2026-11-12
OpenAI	openai/fastBatch pricing	400K	$2.50	$20.00	$0.25	—	—	ZDR: No Training: Unknown Prompt logging: Unknown Retention: Unknown ZDR source Privacy policy Checked 2026-11-12

Provider data:OpenRouter

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