Anthropic releases Claude Opus 5.5 as OpenAI launches GPT-6 Sol and Luna the same day
[AINews] Claude Opus 5.5, the new default model for AINews — and everybody cuts prices 40-50%
What happened
Anthropic has released Claude Opus 5.5, the first model in its new Claude 5.5 family. The company says it reaches Claude Fable 5.1 levels on most tasks, costs 40% less to run than Opus 5, and becomes the default model in Claude Code and the Claude app.
Why it matters
Two labs launched new models and cut prices sharply on the same day, giving readers a way to compare their approaches to capability and per-task cost.
OpenAI / ChatGPTAnthropic / ClaudeAgentsAI codingModel releases#Model release#Agent#Coding#Anthropic#OpenAI
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