Anthropic ships Claude Opus 4.8 as a "modest but tangible improvement" that tops GPT-5.5 in most benchmarks

Anthropic releases Claude Opus 4.8, which beats GPT-5.5 and Gemini 3.1 Pro in most benchmarks. The model also catches its own coding errors four times more often than its predecessor. Alongside the launch, Anthropic is rolling out dynamic workflows that can spin up hundreds of parallel sub-agents to