{"id":"openai/gpt-4.1","aliases":["openai/gpt-4.1-2025-04-14","openrouter:openai/gpt-4.1"],"displayName":"OpenAI: GPT-4.1","author":"openai","createdAt":"2025-04-14T17:23:05.000Z","updatedAt":"2026-09-08T15:44:27.512Z","popularityRank":176,"metadata":{"modalities":["file","image","text"],"inputModalities":["image","text","file"],"outputModalities":["text"],"contextLength":1047576,"maxOutputTokens":32768,"family":"gpt","modelsDev":{"provider":"openrouter","sourceUrl":"https://models.dev/api.json","description":"Long-lived GPT workhorse for coding, instruction following, and production apps","lastUpdated":"2025-04-14","releaseDate":"2025-04-14","capabilities":{"reasoning":false,"tool_call":true,"attachment":true,"temperature":true,"open_weights":false,"structured_output":true},"knowledgeCutoff":"2024-04"},"tokenizer":"GPT","licenseStatus":"unknown","weightsAvailable":false,"hostedInferenceAllowed":false,"gated":false,"supportedParameters":["max_completion_tokens","max_tokens","response_format","seed","structured_outputs","temperature","tool_choice","tools","top_p"],"providerNames":[],"designArenaCategories":["3d","codecategories","dataviz","gamedev","uicomponent","website"],"isModerated":true},"availability":"unknown","externalBest":null,"multivibeNetwork":null,"description":"GPT-4.1 is a flagship large language model optimized for advanced instruction following, real-world software engineering, and long-context reasoning. It supports a 1 million token context window and outperforms GPT-4o and...","runtimes":[],"protocols":[],"harnesses":[]}