
AI·
Claude Opus 4.8 flags the bugs it writes four times more often than Opus 4.7
Anthropic's Opus 4.8 posts 69.2% on SWE-Bench Pro, lets code flaws slip 4x less often, and ships parallel subagents in Claude Code. Here's what matters.

Anthropic's Opus 4.8 posts 69.2% on SWE-Bench Pro, lets code flaws slip 4x less often, and ships parallel subagents in Claude Code. Here's what matters.

Anthropic's April 23 postmortem names three bugs that degraded Claude Code between March 4 and April 20. Usage limits are being reset for every subscriber.

Anthropic launched Claude Design on April 17, a prompt-to-prototype tool that exports to Canva, not Figma. Figma's stock closed down 7% on the same day.

Anthropic's Opus 4.7 is state-of-the-art on SWE-bench and CursorBench, but independent tests show regressions on long-context retrieval and thematic reasoning.