Skip to main content

ModelRegistry

Explore text, image, video and speech models

Find the right AI by model, modality and provider.

Browse models

Choose with facts

Turn the model directory into an actionable evaluation workflow.

Clear capabilities

Review modalities, protocols, limits and status.

Transparent coverage

See which providers expose each model.

Easy comparison

Compare candidates using consistent dimensions.

Start exploring the directory

Begin with a model, provider or organization.

Open model directory

Model spotlight

GPT-5.1

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

Compare models

Core capabilities

A compact view of the model contract before integration.

Input and output

See supported modalities and generation directions.

Limits and context

Check context, output limits and release details.

Provider coverage

Compare the providers and protocols that expose this version.

GPT-5.1 FAQ

Start building with GPT-5.1

Move from model evaluation to a production-ready workflow.

Explore providers

GPT-5.1

openai/gpt-5.1

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

Model family

GPT

-

Focus areas

ReasoningGenerative AI

Core specifications

Released
2025-11-13
Context window
400K
Max output
128K
Weights
Closed

Modalities

Input
ImageText
Output
Text

Identity

Version
gpt-5.1
Knowledge cutoff
2024-09-30
Aliases
GPT-5.1

Capabilities

AttachmentsReasoningStructuredTool call

Pricing

IN $1.25/M
OUT $10/M
Read $0.125/M

Capabilities and fit

Model summary

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

Text
AttachmentsReasoningStructuredTool call
Output
Text
Capabilities
4
Catalog updated
2026-02-01T00:00:00.000Z
Status

Provider coverage

ProviderInputOutputPricing
AnyAPI
IN $1.25/M
OUT $10/M
Read $0.125/M
Poe
IN $1.25/M
OUT $10/M
Read $0.125/M
NanoGPT
IN $1.25/M
OUT $10/M
Read $0.125/M
NEAR AI Cloud
IN $1.25/M
OUT $10/M
Read $0.125/M
LLM Gateway
IN $1.25/M
OUT $10/M
Read $0.125/M
OpenCode Zen
IN $1.25/M
OUT $10/M
Read $0.125/M
302.AI
IN $1.25/M
OUT $10/M
Read $0.125/M
Helicone
IN $1.25/M
OUT $10/M
Read $0.125/M
Neon
IN $1.25/M
OUT $10/M
Read $0.125/M
Pioneer
IN $1.25/M
OUT $10/M
Read $0.125/M
ZenMux
IN $1.25/M
OUT $10/M
Read $0.125/M
Abacus
IN $1.25/M
OUT $10/M
Read $0.125/M
Azure Cognitive Services
IN $1.25/M
OUT $10/M
Read $0.125/M
Azure
IN $1.25/M
OUT $10/M
Read $0.125/M
AIHubMix
IN $1.25/M
OUT $10/M
Read $0.125/M
OrcaRouter
IN $1.25/M
OUT $10/M
Read $0.125/M
Requesty
IN $1.25/M
OUT $10/M
Read $0.125/M
Kilo Gateway
IN $1.25/M
OUT $10/M
Read $0.125/M
Merge Gateway
IN $1.25/M
OUT $10/M
Read $0.125/M
OpenRouter
IN $1.25/M
OUT $10/M
Read $0.125/M
Cloudflare AI Gateway
IN $1.25/M
OUT $10/M
Read $0.125/M
Jiekou.AI
IN $1.25/M
OUT $10/M
Read $0.125/M
Perplexity Agent
IN $1.25/M
OUT $10/M
Read $0.125/M
OpenAI
IN $1.25/M
OUT $10/M
Read $0.125/M

FAQ