Sharper GPT-5 generation for coding, product work, and tool-assisted tasks
GPT-5.1 is the latest frontier-grade model in the GPT-5 series, offering stronger general-purpose reasoning, improved instruction adherence, and a more natural conversational style compared to GPT-5. It uses adaptive reasoning...
Context
400K
400,000 tokens
Max output
128K
128,000 tokens
Input
$1.25
per 1M tokens
Output
$10.00
per 1M tokens
Providers
32
34 listings
Intelligence
24.7
Intelligence Index
Pricing
USD per 1M tokens · listed by OpenAI
| Token type | Standard | fast mode | flex mode |
|---|---|---|---|
| Input | $1.25 | $2.50 | $0.63 |
| Output | $10.00 | $20.00 | $5.00 |
| Cache read | $0.13 | — | — |
Lowest input price across providers: Free.
Capabilities
ReasoningYes
Effort: none, low, medium, high
Tool callYes
Structured outputYes
TemperatureYes
AttachmentsYes
Interleaved reasoningNo
Open weightsNo
ModeratedYes
Input
TextImage
Output
Text
Benchmarks
Published scores and Design Arena Elo
- Intelligence24.7#75 of 208
- Coding49.4#56 of 112
- AgenticNot scored—
- Arena1,152#68 of 128
Rankings
Position on each OneAtlas leaderboard
Providers · 32
34 listings
OpenAI
NanoGPT
LLM Gateway
Kilo Gateway
Eden AI
DevPass (LLM Gateway)
Merge GatewayRequesty
AI/ML API
AIHubMix
Ofox
Poe
302.AI
OpenCode
OrcaRouter
ZenMux
AbacusCortecs
Azure
Azure Cognitive Services
Helicone
Impossibl
Cloudflare AI Gateway
Prime Inference
Jiekou.AI
Neon
NEAR AI Cloud
Perplexity Agent
Databricks
GitLab Duo
AnyAPI
Snowflake Cortex| Provider | Model ID | Context | Input limit | Output | Input $ | Output $ | Reasoning $ | Cache read | Cache write | Audio in | Audio out | Reasoning | Tools | Structured | Temp. | Updated |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 302.AI | gpt-5.1 | 400K | 272K | 128K | $1.25 | $10.00 | — | — | — | — | — | Yes | Yes | Yes | No | Nov 13, 2025 |
| Abacus | gpt-5.1 | 400K | 272K | 128K | $1.25 | $10.00 | — | $0.13 | — | — | — | Yes | Yes | Yes | Yes | Nov 13, 2025 |
| AI/ML API | openai/gpt-5-1 | 400K | 272K | 128K | $1.25 | $10.00 | — | $0.13 | — | — | — | Yes | Yes | Yes | Yes | Nov 13, 2025 |
| AIHubMix | gpt-5.1 | 400K | 272K | 128K | $1.25 | $10.00 | — | $0.13 | — | — | — | Yes | Yes | Yes | No | Nov 13, 2025 |
| AnyAPI | openai/gpt-5.1 | 400K | 272K | 128K | — | — | — | — | — | — | — | Yes | Yes | Yes | Yes | Nov 13, 2025 |
| Azure | gpt-5.1 | 400K | 272K | 128K | $1.25 | $10.00 | — | $0.13 | — | — | — | Yes | Yes | Yes | No | Nov 14, 2025 |
| Azure Cognitive Services | gpt-5.1 | 400K | 272K | 128K | $1.25 | $10.00 | — | $0.13 | — | — | — | Yes | Yes | Yes | No | Nov 14, 2025 |
| Cloudflare AI Gateway | openai/gpt-5.1 | 128K | 272K | 128K | $1.25 | $10.00 | — | $0.13 | — | — | — | Yes | Yes | Yes | Yes | Nov 13, 2025 |
| Cortecs | gpt-5.1 | 400K | 272K | 128K | $1.38 | $10.96 | — | $0.16 | — | — | — | Yes | Yes | No | Yes | Nov 13, 2025 |
| Databricks | databricks-gpt-5-1 | 400K | 272K | 128K | $1.25 | $10.00 | — | $0.13 | — | — | — | Yes | Yes | Yes | Yes | Nov 13, 2025 |
| DevPass (LLM Gateway) | gpt-5.1 | 400K | 272K | 128K | $1.25 | $10.00 | — | $0.13 | — | — | — | Yes | Yes | Yes | Yes | Nov 13, 2025 |
| Eden AI | openai/gpt-5.1 | 400K | 272K | 128K | $1.25 | $10.00 | — | $0.13 | — | — | — | Yes | Yes | Yes | Yes | Nov 13, 2025 |
| GitLab Duo | duo-chat-gpt-5-1 | 400K | 272K | 128K | Free | Free | — | — | — | — | — | Yes | Yes | Yes | Yes | Nov 13, 2025 |
| Helicone | gpt-5.1 | 400K | 272K | 128K | $1.25 | $10.00 | — | $0.13 | — | — | — | Yes | Yes | Unknown | No | Nov 13, 2025 |
| Impossibl | openai/gpt-5.1 | 400K | 272K | 128K | $1.25 | $10.00 | — | $0.13 | — | — | — | Yes | Yes | Yes | Yes | Nov 13, 2025 |
| Jiekou.AI | gpt-5.1 | 400K | 272K | 128K | $1.19 | $9.50 | — | $0.12 | — | — | — | Yes | Yes | Yes | Yes | Nov 13, 2025 |
| Kilo Gateway | openai/gpt-5.1 | 400K | 272K | 128K | $1.25 | $10.00 | — | $0.13 | — | — | — | Yes | Yes | Yes | No | Nov 13, 2025 |
| LLM Gateway | openai/gpt-5.1 | 400K | 272K | 128K | $1.25 | $10.00 | — | $0.13 | — | — | — | Yes | Yes | Yes | Yes | Nov 13, 2025 |
| LLM Gateway | azure/gpt-5.1 | 400K | 272K | 128K | $1.25 | $10.00 | — | $0.13 | — | — | — | Yes | Yes | Yes | Yes | Nov 13, 2025 |
| Merge Gateway | openai/gpt-5.1 | 400K | 272K | 128K | $1.25 | $10.00 | — | $0.13 | — | — | — | Yes | Yes | Yes | Yes | Nov 13, 2025 |
| NanoGPT | openai/gpt-5.1-2025-11-13 | 400K | 400K | 128K | $1.25 | $10.00 | — | $0.13 | — | — | — | Yes | Yes | Yes | Yes | Nov 13, 2025 |
| NanoGPT | openai/gpt-5.1 | 400K | 400K | 128K | $1.25 | $10.00 | — | $0.13 | — | — | — | Yes | Yes | Yes | Yes | Nov 13, 2025 |
| NEAR AI Cloud | openai/gpt-5.1 | 400K | 272K | 128K | $1.25 | $10.00 | — | $0.13 | — | — | — | Yes | Yes | Yes | Yes | Nov 13, 2025 |
| Neon | gpt-5-1 | 400K | 272K | 128K | $1.25 | $10.00 | — | $0.13 | — | — | — | Yes | Yes | Yes | Yes | Nov 13, 2025 |
| Ofox | openai/gpt-5.1 | 400K | 272K | 128K | $1.25 | $10.00 | — | $0.13 | — | — | — | Yes | Yes | Yes | Yes | Nov 13, 2025 |
| OpenAI | gpt-5.1 | 400K | 272K | 128K | $1.25 | $10.00 | — | $0.13 | — | — | — | Yes | Yes | Yes | Yes | Nov 13, 2025 |
| OpenCode | gpt-5.1 | 400K | 272K | 128K | $1.07 | $8.50 | — | $0.11 | — | — | — | Yes | Yes | Yes | Yes | Nov 13, 2025 |
| OrcaRouter | openai/gpt-5.1 | 400K | 272K | 128K | $1.25 | $10.00 | — | $0.13 | — | — | — | Yes | Yes | Yes | Yes | Nov 13, 2025 |
| Perplexity Agent | openai/gpt-5.1 | 400K | 272K | 128K | $1.25 | $10.00 | — | $0.13 | — | — | — | Yes | Yes | Unknown | No | Nov 13, 2025 |
| Poe | openai/gpt-5.1 | 400K | 272K | 128K | $1.14 | $9.09 | — | $0.11 | — | — | — | Yes | Yes | Unknown | No | Nov 13, 2025 |
| Prime Inference | openai/gpt-5.1 | 400K | — | 128K | $1.25 | $10.00 | — | — | — | — | — | Yes | Yes | Yes | No | Nov 13, 2025 |
| Requesty | gpt-5.1@eu | 400K | 272K | 128K | $1.38 | $11.00 | — | $0.14 | — | — | — | Yes | Yes | Yes | Yes | Nov 13, 2025 |
| Snowflake Cortex | openai-gpt-5.1 | 272K | 272K | 8K | $1.25 | $10.00 | — | $0.13 | — | — | — | Yes | Yes | Yes | Yes | Nov 13, 2025 |
| ZenMux | openai/gpt-5.1 | 400K | — | 128K | $1.25 | $10.00 | — | $0.13 | — | — | — | Yes | Yes | Unknown | Yes | Nov 13, 2025 |