Anthropic @AnthropicAI

Claude Haiku 5.5, our latest model: [引用 @claudeai]: Introducing Claude Haiku 5.5: the cheapest, fastest, and most capable small model we’ve ever released. On average, it costs around 75% less to run than Claude Haiku 4.5. https://t.co/jm06cZJfkV

• Anthropic Says Rogue AI Could Pose Catastrophic, Existential Risks2026-11-01
• DeepSeek releases enhanced coding agent to rival Anthropic2026-11-01
• User Says Anthropic Wrongly Tagged Them for Training Competitor Model2026-10-31
• OpenAI cuts funding target by $10B; valuation falls to $1.25T2026-10-31
• Anthropic blocks users touching training of larger models2026-10-31