OpenAI GPT-5.6 Sol API — Event History
Provider: OpenAI
Total material events: 1
2026-09-10T17:11:00.000+00:00NEW
New canonical native OpenAI API route. GPT-5.6 Sol promotional pricing verified at US$4.00/1M input, US$0.40/1M cached input, and US$20.00/1M output; OpenAI documents the promotional pricing as available at least through 2026-11-21. This is a NEW baseline, not a retrospective price-drop event.