What this model supports
ReasoningYes
Tool callingYes
Structured outputYes
AttachmentsYes
Temperature controlNo
Open weightsNo
- Creator
- OpenAI
- Family
- gpt
- Modalities
- Image, Text
- License
- Not documented
- Release date
- 2025-11-13
- Model ID
openai/gpt-5.1
GPT-5.1
openai/gpt-5.1Sharper GPT-5 generation for coding, product work, and tool-assisted tasks
Source-linkedgptClosed weightsReleased 2025-11-13
Context window400K
Maximum output128K
Provider offers23
Knowledge cutoff2024-09-30
Market availability
Report price →Provider pricing
| Provider | Provider model ID | Context | Input / 1M | Output / 1M | Cached / 1M | Features | All pricing |
|---|---|---|---|---|---|---|---|
 Snowflake Cortex | openai-gpt-5.1 | 400K | — | — | — | R T S | View{} |
 AnyAPI | openai/gpt-5.1 | 400K | — | — | — | R T S | View{} |
 OpenCode Zen | gpt-5.1 | 400K | $1.070 | $8.500 | $0.107 | R T S | View{
"cache_read": 0.107,
"input": 1.07,
"output": 8.5
} |
 Poe | openai/gpt-5.1 | 400K | $1.100 | $9.000 | $0.110 | R T · | View{
"cache_read": 0.11,
"input": 1.1,
"output": 9
} |
 OrcaRouter | openai/gpt-5.1 | 400K | $1.250 | $10.000 | $0.125 | R T S | View{
"cache_read": 0.125,
"input": 1.25,
"output": 10
} |
 NEAR AI Cloud | openai/gpt-5.1 | 400K | $1.250 | $10.000 | $0.125 | R T S | View{
"cache_read": 0.125,
"input": 1.25,
"output": 10
} |
 LLM Gateway | gpt-5.1 | 400K | $1.250 | $10.000 | $0.125 | R T S | View{
"cache_read": 0.125,
"input": 1.25,
"output": 10
} |
 Azure | gpt-5.1 | 272K | $1.250 | $10.000 | $0.125 | R T S | View{
"cache_read": 0.125,
"input": 1.25,
"output": 10
} |
 Databricks | databricks-gpt-5-1 | 400K | $1.250 | $10.000 | $0.125 | R T S | View{
"cache_read": 0.125,
"input": 1.25,
"output": 10
} |
 NanoGPT | openai/gpt-5.1 | 400K | $1.250 | $10.000 | — | R T S | View{
"input": 1.25,
"output": 10
} |
 AIHubMix | gpt-5.1 | 400K | $1.250 | $10.000 | $0.130 | R T S | View{
"cache_read": 0.13,
"input": 1.25,
"output": 10
} |
 OpenRouter | openai/gpt-5.1 | 400K | $1.250 | $10.000 | $0.130 | R T S | View{
"cache_read": 0.13,
"input": 1.25,
"output": 10
} |
 Perplexity Agent | openai/gpt-5.1 | 400K | $1.250 | $10.000 | $0.125 | R T · | View{
"cache_read": 0.125,
"input": 1.25,
"output": 10
} |
 Pioneer | gpt-5.1 | 400K | $1.250 | $10.000 | $0.125 | R T S | View{
"cache_read": 0.125,
"cache_write": 1.25,
"input": 1.25,
"output": 10
} |
 Azure Cognitive Services | gpt-5.1 | 272K | $1.250 | $10.000 | $0.125 | R T S | View{
"cache_read": 0.125,
"input": 1.25,
"output": 10
} |
 Kilo Gateway | openai/gpt-5.1 | 400K | $1.250 | $10.000 | $0.125 | R T · | View{
"cache_read": 0.125,
"input": 1.25,
"output": 10
} |
 Neon | gpt-5-1 | 400K | $1.250 | $10.000 | $0.125 | R T S | View{
"cache_read": 0.125,
"input": 1.25,
"output": 10
} |
 Abacus | gpt-5.1 | 400K | $1.250 | $10.000 | $0.125 | R T S | View{
"cache_read": 0.125,
"input": 1.25,
"output": 10
} |
 Requesty | openai/gpt-5.1 | 400K | $1.250 | $10.000 | $0.125 | R T S | View{
"cache_read": 0.125,
"input": 1.25,
"output": 10
} |
 Cloudflare AI Gateway | openai/gpt-5.1 | 400K | $1.250 | $10.000 | $0.130 | R T · | View{
"cache_read": 0.13,
"input": 1.25,
"output": 10
} |
 ZenMux | openai/gpt-5.1 | 400K | $1.250 | $10.000 | $0.120 | R T · | View{
"cache_read": 0.12,
"input": 1.25,
"output": 10
} |
 OpenAI | gpt-5.1 | 400K | $1.250 | $10.000 | $0.125 | R T S | View{
"cache_read": 0.125,
"input": 1.25,
"output": 10
} |
 Merge Gateway | openai/gpt-5.1 | 400K | $1.250 | $10.000 | $0.125 | R T S | View{
"cache_read": 0.125,
"input": 1.25,
"output": 10
} |
Published benchmark results
Agentic Index
vs top 8 models
Coding Index
vs top 8 models
Design Arena: 3d
vs top 8 models
Design Arena: asciiart
vs top 8 models
Design Arena: codecategories
vs top 8 models
Design Arena: dataviz
vs top 8 models
Design Arena: gamedev
vs top 8 models
Design Arena: mobileapps
vs top 8 models
Design Arena: svg
vs top 8 models
Design Arena: uicomponent
vs top 8 models
Design Arena: website
vs top 8 models
Intelligence Index
vs top 8 models