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Models/OpenAI/GPT-5.1
OpenAIgpt familyActive

GPT-5.1

Sharper GPT-5 generation for coding, product work, and tool-assisted tasks

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Context
400,000
Max output
131,072
Input / 1M
$1.07
Output / 1M
$8.50
Providers
31
01 Profile02 Capabilities03 Pricing04 History06 Related
01Profile

Profile

Released
2025-11-13
Last updated
2026-02
Knowledge cutoff
2024-09-30
Weights
Closed
02Capabilities

Capabilities

Input
text · image
Output
text
Reasoning
Yes
Tool calling
Yes
Structured output
Yes
Attachments
Yes
Cache read
$0.13
Cache write
Not listed
03Pricing

Pricing across 30 providers

Per 1M tokens, USD. Sorted by input price. First-party row highlighted.

ProviderProvider model idInputOutputCache readContext
openaifirst-partygpt-5.1$1.25$10.00$0.13400,000
opencodegpt-5.1$1.07$8.50$0.11400,000
poeopenai/gpt-5.1$1.10$9.00$0.11400,000
jiekougpt-5.1$1.13$9.00Not listed400,000
302aigpt-5.1$1.25$10.00Not listed400,000
abacusgpt-5.1$1.25$10.00$0.13400,000
aihubmixgpt-5.1$1.25$10.00$0.13400,000
azuregpt-5.1$1.25$10.00$0.13400,000
azure-cognitive-servicesgpt-5.1$1.25$10.00$0.13400,000
cloudflare-ai-gatewayopenai/gpt-5.1$1.25$10.00$0.13128,000
edenaiopenai/gpt-5.1$1.25$10.00$0.13400,000
heliconegpt-5.1$1.25$10.00$0.13400,000
Show all 32 providers ↓
ProviderProvider model idInputOutputCache readContext
impossiblopenai/gpt-5.1$1.25$10.00$0.13400,000
kiloopenai/gpt-5.1$1.25$10.00$0.13400,000
llmgatewaygpt-5.1$1.25$10.00$0.13400,000
llmgateway-providersazure/gpt-5.1$1.25$10.00$0.13400,000
llmgateway-providersopenai/gpt-5.1$1.25$10.00$0.13400,000
merge-gatewayopenai/gpt-5.1$1.25$10.00$0.13400,000
nano-gptopenai/gpt-5.1$1.25$10.00$0.13400,000
nearaiopenai/gpt-5.1$1.25$10.00$0.13400,000
neongpt-5-1$1.25$10.00$0.13400,000
ofoxopenai/gpt-5.1$1.25$10.00$0.13400,000
openrouteropenai/gpt-5.1$1.25$10.00$0.13400,000
orcarouteropenai/gpt-5.1$1.25$10.00$0.13400,000
perplexity-agentopenai/gpt-5.1$1.25$10.00$0.13400,000
pioneergpt-5.1$1.25$10.00$0.13400,000
vercelopenai/gpt-5.1-thinkingthinking$1.25$10.00$0.13400,000
zenmuxopenai/gpt-5.1$1.25$10.00$0.12400,000
cortecsgpt-5.1$1.38$10.96$0.16400,000
requestygpt-5.1@eu@eu$1.38$11.00$0.14400,000
anyapiopenai/gpt-5.1Not listedNot listedNot listed400,000
snowflake-cortexopenai-gpt-5.1org:openaiNot listedNot listedNot listed400,000
04History

Change history

12+ recent events since 2025-11-13

2026-09-02ContextcortecsMax output400,000→ new
2026-08-27Price uprequestyinput / 1M$1.24→ $1.38
2026-08-27Price uprequestyoutput / 1M$9.90→ $11.00
2026-08-24Contextcloudflare-ai-gatewayContext window—→ 128,000
2026-08-20Addedllmgateway-providersoffering→ new
2026-08-20Addedllmgateway-providersoffering→ new
2026-08-20Price cutrequestyinput / 1M$1.38→ $1.24
2026-08-20Price cutrequestyoutput / 1M$11.00→ $9.90
2026-08-19ContextpioneerMax output—→ 131,072
2026-08-14Contextcloudflare-ai-gatewayContext window400,000→ new
2026-08-14Contextcloudflare-ai-gatewayMax output128,000→ new
2026-08-14Addededenaioffering→ new
as of 2026-09-16
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