OpenAI launches GPT-6 Sol and Luna while Anthropic releases Claude Opus 5.5
Original titleOpenAI released GPT-6 Sol and Luna with API prices cut in half, and Anthropic released Claude Opus 5.5, the first Claude 5.5 model, at ro...
AISummary
OpenAI released GPT-6 Sol and Luna, with API prices cut in half, while Anthropic released Claude Opus 5.5 at roughly Fable 5.1 level for 40% less than Opus 5. GPT-6 Sol and Luna cost $2/$10 and $0.10/$0.50 per million tokens, versus GPT-5.6 promotional pricing, and Opus 5.5 costs $4/$20 per million tokens. Sonnet 5.5 and Haiku 5.5 are announced for the coming weeks.
AIWhy it matters
The post links OpenAI's GPT-6 Sol and Luna pricing with Anthropic's Claude Opus 5.5 launch, which helps readers compare the two vendors' current frontier offerings.
Source: Tibor Blaho · x.comPublished · added here