- API & price
- public via third-party hosts; official per-image price not published; self-host secondary
- Max resolution
- I1 1024²; O1-Image up to 2048² official
- Control
- instruction editing, multi-reference personalization, long-text (EN+ZH), layout conditioning official
- Weights
- open · MIT official
- Free tier
- open self-host (MIT weights) official
Quality 1264Artificial Analysis Image Arena (HiDream-O1-Image-1.5, #4) ↗
Best freeBest for APIOpen-weights ✓ 2026-07-04