# Harvey — Opus 4.8, Now Live in Harvey

- Company: Harvey (harvey.ai)
- Announced: 2026-05-28T17:00:00+00:00
- Category: availability-change
- Coverage: not counted
- Announcement: yes
- Group: announcements
- Source: https://www.harvey.ai/blog/opus-4-8-now-live-in-harvey
- Record: https://forck.live/items/17561-opus-4-8-now-live-in-harvey
- Subject: Harvey
- Models affected: Claude Opus 4.8, Opus 4.7

Harvey made Claude Opus 4.8 available in its platform. The model, Anthropic's latest frontier model, scored 10.4% on Harvey's Legal Agent Benchmark (up from 7.1%) and 91.1% on BigLaw Bench. It is rolling out to eligible clients in the US and EU.

## Evidence

Verbatim from https://www.harvey.ai/blog/opus-4-8-now-live-in-harvey:

> Today, we are making Claude Opus 4.8 available in Harvey. Opus 4.8 is Anthropic’s latest frontier model, building on the strengths of Opus 4.7 with continued gains in substantive legal accuracy and practical output quality across complex workflows.

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