OpenAI launches GPT-6 Sol and Luna, API pricing cut 50% vs GPT-5.6

OpenAI 发布 GPT-6 Sol 和 GPT-6 Luna，API 价格较 GPT-5.6 降 50%

OpenAI added two cheaper models to the GPT-6 family: Sol and Luna, with API prices halved across input and output. Sol costs $2/$10 per 1M tokens, Luna $0.10/$0.50. Sol scored 33.2% on AutomationBench at xhigh effort at 9% of Claude Opus 5's cost per task, and 56.4% on Agents' Last Exam at max effort at 60% lower cost. On internal factuality evals, Sol makes about half as many mistakes as its predecessor. The post does not specify a launch date beyond 'available now.'

Why it matters: Official OpenAI release of new GPT-6 models with a 50% API price cut and Sol's agent benchmark cost at 9% of a competitor — industry-shaking. HKR all hit, with solid pricing and benchmark data. Minus 3 points because the post doesn't fully detail the capability gap between Sol...