Claude Opus 5.5 and GPT-6 Sol arrive 90 minutes apart, both cheaper than their predecessors
Anthropic says Opus 5.5 beats OpenAI's top model, GPT-6 Astra, on coding. OpenAI says Sol beats Claude Opus 5 on business workflows for under a tenth of the cost per task. Anthropic released Claude Opus 5.5, the...