OpenAI launches GPT-6 Sol and Luna, API pricing 50% lower than GPT-5.6

GPT-6 Sol 与 Luna 发布，API 价格比 GPT-5.6 低 50%

OpenAI's developer account announced GPT-6 Sol and Luna, with API pricing cut to half of GPT-5.6. Sherwin Wu added specifics for Luna: $0.10 per 1M input tokens and $0.50 per 1M output tokens, noting that pricing will soon need to switch to per-billion-token units. The post doesn't disclose Sol's per-token price or how the two models differ in capabilities.

Why it matters: OpenAI officially dropped GPT-6 Sol and Luna, with Luna priced 50% lower than GPT-5.6 at $0.1/1M input and $0.5/1M output. Sol pricing is missing, and Sherwin Wu hinted at per-billion-token pricing soon. This is a flagship model refresh plus a major price cut — same-day must-w...