Product

Claude Sonnet

2 articles First covered Apr 24, 2026, latest Apr 24, 2026

DeepSeek social card from the V4 API documentation release post.

DeepSeek V4 lands: 1.6T-param open MoE, 1M-token context, and SWE-bench within 0.2 of Opus 4.6

DeepSeek shipped V4-Pro and V4-Flash under MIT on April 24. V4-Pro hits 80.6% on SWE-bench Verified. V4-Flash is $0.14 in / $0.28 out.

Anthropic Engineering postmortem cover image.

AI·9 hours ago

Anthropic admits three Claude Code bugs quietly tanked quality for six weeks

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.