OpenAI API — GPT-6.1 Sol Ultrafast — Event History
Provider: OpenAI
Total material events: 1
2026-10-09NEW
New separately priced Ultrafast processing tier for GPT-6.1 Sol (Responses API, service_tier=ultrafast), officially added October 8, 2026. Global short-context input/output $12/$60 per 1M tokens; long-context $24/$90. This is a NEW pricing context, not a native price rise of existing Standard-tier GPT-6.1 Sol. Source: OpenAI official changelog and pricing.