Anthropic: Claude Haiku 4.5 Knowledge Cutoff (2025-02-28)
Claude Haiku 4.5's knowledge cutoff is 2025-02-28, which was 613 days ago. Its freshness score is 71 out of 100.
Data sourced from OpenRouter API and manual data collection | Last updated: Nov 3, 2026, 8:01 AM UTC
Knowledge cutoff
2025-02-28
Freshness score
71
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Frequently asked questions
When is the knowledge cutoff for Anthropic: Claude Haiku 4.5?
Claude Haiku 4.5's knowledge cutoff is 2025-02-28, which was 613 days ago. Its freshness score is 71 out of 100.
What can Claude Haiku 4.5 know after its knowledge cutoff?
Claude Haiku 4.5 stopped learning from its training data on 2025-02-28. It cannot know about world events, news, or new technologies that happened after that date.