Anthropic’s latest AI model, Claude Opus 4, has surpassed OpenAI’s GPT-4.1 in coding abilities, marking a significant shift ...

Anthropic's Claude Opus 4 outperforms OpenAI's GPT-4.1 with unprecedented seven-hour autonomous coding sessions and record-breaking 72.5% SWE-bench score, transforming AI from quick-response tool to ...

Claude Opus 4, now alleged as the world’s best coding model, delivers a record-setting 72.5% on SWE-bench and 43.2% on Terminal-bench, outperforming all competitors on long-running and complex ...

In particular, that marathon refactoring claim reportedly comes from Rakuten, a Japanese tech services conglomerate that "validated [Claude's] capabilities with a demanding open-source refactor ...

Claude 4 Opus is specifically designed to handle high-performance, long-duration tasks. It excels in advanced reasoning, memory retention, and multifile code comprehension, making it a robust ...

and performance on agent tasks—like Opus 4 creating a 'Navigation Guide' while playing Pokémon," Anthropic says. Claude Opus 4 records key information to help improve its game play.

Claude Opus 4 is designed for coding among other tasks, and it offers sustained performance for complex, long-running tasks and agent workflows. Claude Opus 4 is Anthropic's most powerful model to ...

According to Rakuten, which got early access to the model, Claude Opus 4 ran "independently for seven hours with sustained performance." Claude Opus is Anthropic's largest version of the model ...

From crafting compelling prose to tackling genre-specific challenges, Claude 4’s performance raises both excitement and skepticism. For writers, marketers, and content creators alike ...

The release features Claude Opus 4 and Claude Sonnet 4, both of which raise the bar for AI reasoning, coding capabilities, and sustained agentic performance. Claude Opus 4, now alleged as the world’s ...