TAG
#coding
Stories connected through a shared idea, actor, technology or theme.
Anthropic releases Claude Sonnet 5.5 with major speed and cost improvementsClaude Sonnet 5.5 runs more than 30% faster and costs up to 30% less than Sonnet 5. Anthropic reports a jump from 10.3% to 70.6% on Terminal-Bench 4.0, alongside gains in long-horizon work and image understanding.→Anthropic launches Claude Opus 5.5 with lower operating costsAnthropic says Opus 5.5 performs around the level of Fable 5.1 on most work while costing 40% less than Opus 5. The model has a one-million-token context window, adaptive thinking and availability across major cloud platforms.→Ox Alpha reports an 80% pass rate on the full 113-task DeepSWE runThe report says Ox Alpha completed all 113 tasks and was available through OpenRouter, Venice and Nous Research. The result is a researcher-reported evaluation rather than an independent audit, and the model's underlying identity remains disputed.→