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GPT-5.1

openai/gpt-5.1

OpenAI / GPT

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

Released
2025-11-13
Context window
400K
Max output
128K
Weights
Closed
Modalities
TextInputImageInputTextOutput
Capabilities
AttachmentsReasoningTool callStructured
Providers
302.AIAbacusAIHubMixAnyAPIAzureAzure Cognitive ServicesCloudflare AI GatewayHeliconeJiekou.AIKilo GatewayLLM GatewayMerge GatewayNanoGPTNEAR AI CloudNeonOpenAIOpenCode ZenOpenRouterOrcaRouterPerplexity AgentPioneerPoeRequestyZenMux

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