# Introducing Bloom: an open source tool for automated behavioral evaluations Anthropic

<https://www.anthropic.com/research/bloom>

- Host: [anthropic.com](https://links.thingelstad.xyz/hosts/anthropic.com/)
- Saved: December 26, 2025 (2025-12-26T17:40:24Z)
- Record: https://links.thingelstad.xyz/links/f2f6a3c7bbc6/
- JSON: https://links.thingelstad.xyz/links/f2f6a3c7bbc6.json

## Facts

- Kind: [Page](https://links.thingelstad.xyz/kinds/page/)

## Same host

- [Introducing advanced tool use on the Claude Developer Platform Anthropic](https://links.thingelstad.xyz/links/a955d80dfb69/) (anthropic.com, November 26, 2025)
- [Effective harnesses for long-running agents Anthropic](https://links.thingelstad.xyz/links/c91153d296ea/) (anthropic.com, December 1, 2025)
- [How AI Is Transforming Work at Anthropic | Anthropic](https://links.thingelstad.xyz/links/1c8f97697bc4/) (anthropic.com, December 11, 2025)
- [Introducing Anthropic Interviewer | Anthropic](https://links.thingelstad.xyz/links/dcd42f541b0a/) (anthropic.com, December 11, 2025)
- [Claude's new constitution Anthropic](https://links.thingelstad.xyz/links/6b11fc6d9c8b/) (anthropic.com, January 22, 2026)

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## Elsewhere

- Wayback Machine: https://web.archive.org/web/*/https://www.anthropic.com/research/bloom