Anthropic dominated the day’s product cycle with the surprise launch of Claude Opus 5, a model that effectively obsoletes the company's own flagship architecture at half the cost and immediately topped third-party leaderboards [1] [3] [95] . Meanwhile, a massive geopolitical rift formalized as M...
Source: [Dev.to](https://dev.to/sivarampg/anthropic-cuts-api-costs-with-opus-5-as-rivals-unite-to-defend-open-weights-1cmf)