Selected
GPT-5.5
openai/gpt-5.5
OpenAI / GPT
Default frontier GPT for coding, computer use, research, and knowledge work
Released
2026-04-23
Context window
1.1M
Max output
128K
Weights
Closed
Modalities
TextInputImageInputDocumentInputTextOutput
Capabilities
AttachmentsReasoningTool callStructured
Providers
AbacusAI-ROUTERAIHubMixAzureAzure Cognitive ServicesCloudflare AI GatewayCrossModelDaoXEFastRouterFreeModelFrogBotGitHub CopilotGMI CloudHPC-AIKenariKilo GatewayLLM GatewayMerge GatewayModel Oracle AINanoGPTNEAR AI CloudOfoxOpenAIOpenCode ZenOpenRouterOrcaRouterPerplexity AgentPioneerPoeSAP AI CoreUnoRouterVercel AI GatewayVivgridXpersonaZenMux
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