Full article coming soon.
Full article coming soon.
Anthropic's Claude Opus 5.5 matches its Fable flagship on most work at 40% lower cost than Opus 5, and beats GPT-6 Astra on a key agentic coding benchmark.
OpenAI shipped GPT-6 Astra, its most expensive model ever and the first it calls "AGI era." It saturates frontier math and reasoning benchmarks, at a price to match.
Anthropic's Claude Opus 5 tops both the Intelligence and Agentic indexes on day one, with a 1M-token context and a new effort dial, priced at half of Fable 5.