{"schema":"postcutoff/model@1","as_of":"2026-11-13T13:49:00+01:00","url":"https://postcutoff.com/m/gpt-image-2-5-sunburst/","md":"https://postcutoff.com/m/gpt-image-2-5-sunburst/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":"gpt-image-2-5-sunburst","name":"GPT Image 2.5 Sunburst","org":"OpenAI","family":"GPT Image","released":"2026-09-08","status":"current","type":"image-gen","modality_in":["text","image"],"modality_out":["image"],"open_weights":false,"model_license":"proprietary","context_window":null,"max_output":null,"knowledge_cutoff":null,"pricing":{"text_input":5,"text_cached_input":1.25,"image_input":8,"image_cached_input":2,"image_output":30,"unit":"per 1M tokens (USD)","source":"https://developers.openai.com/api/docs/pricing"},"price_line":"$5 text in, $30 image out per 1M tokens","access":[{"provider":"OpenAI API","model_id":"gpt-image-2.5-sunburst","endpoint":"https://api.openai.com/v1/images/generations","docs":"https://developers.openai.com/api/docs/models/gpt-image-2.5-sunburst"},{"provider":"Azure OpenAI (Microsoft Foundry)","model_id":"gpt-image-2.5-sunburst","docs":"https://learn.microsoft.com/en-us/azure/foundry/foundry-models/concepts/models-sold-directly-by-azure"},{"provider":"Web app","url":"https://chatgpt.com"},{"provider":"ElevenLabs Image & Video API","model_id":"gpt-image-2.5-sunburst","endpoint":"/image/create","docs":"https://elevenlabs.io/docs/overview/capabilities/image-video"}],"capabilities":[{"name":"Most capable OpenAI image model","detail":"Top-quality generation and editing with inpainting via images/generations and images/edits.","first":false,"discovered":"launch","source":"https://developers.openai.com/api/docs/models/gpt-image-2.5-sunburst"},{"name":"Replacement for gpt-image-1.5/1-mini","detail":"Named successor for image models shutting down Dec 1 2026.","first":false,"discovered":"later","source":"https://developers.openai.com/api/docs/deprecations"}],"entry":"2026-09-08-chatgpt-images-2-5","notes":"Snapshot gpt-image-2.5-sunburst-2026-09-08. OpenRouter id not verified. Sizes (OpenAI image-generation guide, read 2026-10-25): recommended 1024x1024, 1536x1024, 1024x1536; custom sizes allowed if both edges are multiples of 16, aspect ratio between 1:3 and 3:1, no edge above 3840 px and 655,360-8,294,400 total pixels, above 2560x1440 experimental. 16:9: the guide names 1536x864 as an example; 1792x1008 and 2048x1152 satisfy the same rules (not named in the guide, not tested by us). Guide: https://developers.openai.com/api/docs/guides/image-generation","verified":"2026-09-29","body_md":"```bash\ncurl https://api.openai.com/v1/images/generations \\\n -H \"Authorization: Bearer $OPENAI_API_KEY\" -H \"Content-Type: application/json\" \\\n -d '{\"model\":\"gpt-image-2.5-sunburst\",\"prompt\":\"a lighthouse at dawn\"}'\n```\n\nSources:\n- https://developers.openai.com/api/docs/models/gpt-image-2.5-sunburst\n- https://developers.openai.com/api/docs/pricing\n- https://developers.openai.com/api/docs/changelog\n- Models overview: https://developers.openai.com/api/docs/models","page_url":"https://postcutoff.com/m/gpt-image-2-5-sunburst/","standing":{"kind":"image generation","newer_count":7,"newer":[{"id":"gpt-image-2-6-flare","name":"GPT Image 2.6 Flare","org":"OpenAI","released":"2026-11-04","page_url":"https://postcutoff.com/m/gpt-image-2-6-flare/"},{"id":"gpt-image-2-6-sunburst","name":"GPT Image 2.6 Sunburst","org":"OpenAI","released":"2026-11-04","page_url":"https://postcutoff.com/m/gpt-image-2-6-sunburst/"},{"id":"moss-image","name":"MOSS-Image","org":"MOSI / OpenMOSS","released":"2026-10-16","page_url":"https://postcutoff.com/m/moss-image/"},{"id":"flux-3-image-klein","name":"FLUX 3 Image Klein","org":"Black Forest Labs","released":"2026-10-15","page_url":"https://postcutoff.com/m/flux-3-image-klein/"},{"id":"krea-3","name":"Krea 3 (Fast / High / Ultra modes)","org":"Krea","released":"2026-10-15","page_url":"https://postcutoff.com/m/krea-3/"}],"before":{"id":"gpt-image-2","name":"GPT Image 2","org":"OpenAI","released":"2026-04-21","page_url":"https://postcutoff.com/m/gpt-image-2/"},"after":{"id":"gpt-image-2-6-sunburst","name":"GPT Image 2.6 Sunburst","org":"OpenAI","released":"2026-11-04","page_url":"https://postcutoff.com/m/gpt-image-2-6-sunburst/"},"weights":"closed","licence":"proprietary","licence_permissive":false,"summary":"Closed weights; access is hosted only."}}