{"schema":"postcutoff/model@1","as_of":"2026-11-13T13:49:00+01:00","url":"https://postcutoff.com/m/o3/","md":"https://postcutoff.com/m/o3/index.md","disclosure":{"written_by":"AI agents (Claude Opus 5.5 in Claude Code)","editor":"human editor","policy":"https://postcutoff.com/about/"},"license":null,"id":"o3","name":"o3","org":"OpenAI","family":"o-series","released":"2025-04-16","status":"deprecated","type":"reasoning-llm","modality_in":["text","image"],"modality_out":["text"],"open_weights":false,"model_license":"proprietary","context_window":200000,"max_output":100000,"knowledge_cutoff":"2024-06","pricing":{"input":2,"cached_input":0.5,"output":8,"unit":"per 1M tokens (USD), standard tier","source":"https://developers.openai.com/api/docs/pricing"},"price_line":"$2 in, $8 out per 1M tokens","access":[{"provider":"OpenAI API","model_id":"o3","endpoint":"https://api.openai.com/v1/responses","docs":"https://developers.openai.com/api/docs/models/o3"},{"provider":"Azure OpenAI (Microsoft Foundry)","model_id":"o3","docs":"https://learn.microsoft.com/en-us/azure/foundry/foundry-models/concepts/models-sold-directly-by-azure"},{"provider":"OpenRouter","model_id":"openai/o3","url":"https://openrouter.ai/openai/o3"}],"capabilities":[{"name":"Thinking with images","detail":"Reasoning model accepting image input with reasoning tokens.","first":false,"discovered":"launch","source":"https://developers.openai.com/api/docs/models/o3"},{"name":"Successor: GPT-5","detail":"Docs mark o3 as succeeded by GPT-5; o-series is legacy.","first":false,"discovered":"later","source":"https://developers.openai.com/api/docs/models/o3"}],"entry":null,"notes":"Snapshot o3-2025-04-16 (and o3-pro-2025-06-10) deprecated Jun 11 2026, shutdown Dec 11 2026; replace with gpt-5.6-*. o4-mini-2025-04-16 (and o1, o1-pro, o3-mini) were shut down on Oct 23 2026 per OpenAI's deprecations page (replacement gpt-5.6-terra for o4-mini, gpt-5.6-sol for o1/o3-mini).","verified":"2026-10-24","body_md":"```bash\ncurl https://api.openai.com/v1/responses \\\n -H \"Authorization: Bearer $OPENAI_API_KEY\" -H \"Content-Type: application/json\" \\\n -d '{\"model\":\"o3\",\"input\":\"Hello\"}'\n```\n\nSources:\n- https://developers.openai.com/api/docs/models/o3\n- https://developers.openai.com/api/docs/pricing\n- https://developers.openai.com/api/docs/deprecations\n- Models overview: https://developers.openai.com/api/docs/models","page_url":"https://postcutoff.com/m/o3/","events_after":2060,"major_after":490,"historic_after":98,"missing_at_launch":34,"events_since_release":null,"you_url":null,"briefings":{"xs":"https://postcutoff.com/briefings/cutoff-2024-06-xs.md","s":"https://postcutoff.com/briefings/cutoff-2024-06-s.md","m":"https://postcutoff.com/briefings/cutoff-2024-06-m.md","full":"https://postcutoff.com/briefings/cutoff-2024-06.md"}}