# Harvey — The Brief: March 2026

- Company: Harvey (harvey.ai)
- Announced: 2026-03-10T15:00:00+00:00
- Category: capability-change
- Coverage: not counted
- Announcement: yes
- Group: announcements
- Source: https://www.harvey.ai/blog/the-brief-march-2026
- Record: https://forck.live/items/17599-the-brief-march-2026
- Subject: Harvey
- Models affected: Opus 4.6, Sonnet 4.6

Harvey added secure collaboration features including shared workspaces, a mobile app, and workflow suggestions. It also expanded analysis capabilities with Anthropic's Opus 4.6 and Sonnet 4.6 models, increased file upload limits to 500 MB, and added review tables and deep analysis in custom agents. Legal research was broadened with a FromCounsel integration and over 110 new regional data sources.

## Evidence

Verbatim from https://www.harvey.ai/blog/the-brief-march-2026:

> Get stronger reasoning and higher-quality outputs with Anthropic's latest models, now available in the Model Selector across Assistant, Vault, and Agent Builder.

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