Harvey (@harvey) / X

GPT-5.6 Sol, Now Live in Harvey

Jul 9

Replying to @harvey

Learn more:

harvey.ai

Announcing GPT-5.6 Sol in Harvey

Jul 9

Now live in Harvey: GPT-5.6 Sol. GPT-5.6 Sol shows strong performance across compliance, deal and case management, and document review, among other high-volume legal workflows.

Congrats to @elonmusk and @finkd / @alexandr_wang on Grok 4.5 and Muse Spark 1.1 achieving SOTA on @harvey's LAB at significantly lower cost and latency.

Grok has always been very strong on law

Tech Dev Notes

@techdevnotes

Grok 4.5 is #1 on Harvey's Legal Agent Benchmark

We are hiring Harvey’s founding post-training team. Harvey is training a series of foundation models optimized to execute complex, long-horizon client matters, starting in legal and expanding over time into professional services like finance, audit, and tax. We are investing

Gabe Pereyra

@gabepereyra

We are hiring for @harvey’s model training team. This team will help Harvey expand from the application layer into the model layer and from legal into high end knowledge work more broadly. We are hiring AI researchers of all seniority, particularly those with experience

Replying to @harvey

More on Harvey's model strategy:

Gabe Pereyra

@gabepereyra

Jun 17

Model strategy for @harvey: We are working on the first model in our legal foundation model series, inspired by @cursor_ai's Composer. Two goals: 1. Allow us to serve frontier intelligence across our product surface areas at an affordable price and a strong security posture.

Harvey | AI Tailored for Law

To apply, DM @gabepereyra or @nikogrupen, or submit an application here:

harvey.ai

Harvey is the platform built to meet the standards of the world’s leading professional service firms.‌

Token usage on @harvey is up 14x in the last 6 months

After our announcement last month, Artificial Analysis is now launching Harvey LAB-AA (Legal Agent Benchmark), our implementation of Harvey's new agentic legal benchmark that evaluates language models on real-world legal work across 24 practice areas Harvey LAB-AA tests models

Jul 7

A&O Shearman was the first law firm to pilot Harvey in late 2022. @GabrielMacht sat down with David Wakeling, the partner and board member who led A&O's early bet on Harvey.

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Jul 2

Would Harvey Specter use Harvey? @GabrielMacht had to ask.

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Q2 recap for @harvey - +$100M NNARR - 53% DAU/MAU Key hires (including Q1) - Anique (CPO) - prev VP of Product at Rippling - Rachel (CMO) - prev CMO at Notion - Brooks (CISO) - prev CISO at Roblox - Keith (CSO) - prev CPO at Google Product - Agent unification - cloud agents

One of the underrated pieces of our post-training work with @baseten is exploring KV cache compaction. In our training runs over Legal Agent Bench, agents converged to similar policies, roughly: 1. Ingest client matter documents up front 2. Analyze + iterate on