Roboflow benchmark: GPT-5.6 Sol is OpenAI's best vision model yet

GPT 5.6 Sol is the best "vision" model OpenAI ever released

Roboflow tested the GPT-5.6 lineup on its upcoming VLM benchmark. Sol hit 46.2 mAP@50 on object detection, up from GPT-5.5's 13.8. Terra and Luna scored 44.7 and 43.3. Document layout detection is a standout strength. The post doesn't disclose inference latency or API pricing, so real-world cost is still an open question.

Why it matters: Roboflow benchmarked GPT-5.6 on their own eval: Sol jumped from GPT-5.5's 13.8 mAP to 46.2 on object detection, making VLM detection nearly usable for the first time. Document layout parsing is a strength, but the post omits inference latency and API cost — the production math...