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Gabe Pereyra
Harvey
351 posts
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Gabe Pereyra
Harvey
@gabepereyra
President & Co-Founder @Harvey
gabepereyra.com
Joined February 2022
218
Following
8,744
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  • Pinned
    user avatar
    Gabe Pereyra
    Harvey
    @gabepereyra
    May 6
    Article cover image
    Article
    Open-Sourcing Harvey’s Long Horizon Legal Agent Benchmark
    Authors: @nikogrupen, @ItsJulioPereyra, Gabe Pereyra Description: An open-source benchmark built to evaluate and improve agent capabilities for supporting legal work. URL: https://www.harvey.ai/blog/introducing-harveys-legal-agent-benchmark...
    691K
  • user avatar
    Gabe Pereyra
    Harvey
    @gabepereyra
    Apr 26, 2023
    Announcing Harvey's Series A led by @sequoia. Looking forward to working with @gradypb, @charliecurnin and lucky to have the continued support of @OpenAI, @w_conviction, @eladgil and @svangel.
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    Partnering with Harvey: Putting LLMs to Work
    From sequoiacap.com
    200K
  • user avatar
    Gabe Pereyra
    Harvey
    @gabepereyra
    Apr 2, 2024
    We've trained a custom legal foundation model with @OpenAI - 93% preferred vs. ChatGPT by BigLaw attorneys - 87% more accurate case citations
    White Harvey logo on a grey background.
    Customizing models for legal professionals
    From openai.com
    118K
  • user avatar
    Gabe Pereyra
    Harvey
    @gabepereyra
    Jul 17, 2025
    Wanted to highlight Harvey's recent work on Workflows and Workflow Builder. They've hit breakout traction in law firms, are causing firms to experiment with new business models, and involve novel product and natural language interfaces between lawyers and AI. Thread below!
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    00:00
    100K
  • user avatar
    Gabe Pereyra
    Harvey
    @gabepereyra
    Apr 7, 2023
    Harvey is the first company built on @OpenAI's GPT-4. We’re partnering with elite professional service providers (like @PwC and @AllenOvery) to build proprietary LLMs. Together, we’ll tackle the most complex business and regulatory challenges. Join us at careers.harvey.ai.
    Image
    143K
  • user avatar
    Gabe Pereyra
    Harvey
    @gabepereyra
    Sep 12, 2024
    @OpenAI's o1 model is preferred 70% of the time by BigLaw attorneys over GPT-4o for complex legal queries. @harvey__ai has been using strawberry to build legal agents and we are super excited by the step change improvement.
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    Harvey is building legal agents and workflows with OpenAI o1
    From harvey.ai
    34K
  • user avatar
    Gabe Pereyra
    Harvey
    @gabepereyra
    Aug 1, 2025
    We are hiring for Harvey's Retrieval and Data team to expand Harvey to over 1,000 data sources in the 50+ countries we operate in. Our clients use Harvey to do research over legal, financial, tax, and regulatory data around the world. Thread on search + data at Harvey:
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    78K
  • user avatar
    Gabe Pereyra
    Harvey
    @gabepereyra
    Dec 19, 2023
    @harvey__ai has raised an $80M Series B led by @eladgil and @kleinerperkins.
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    Harvey raises $80M Series B from Elad Gil, Kleiner Perkins, OpenAI and Sequoia
    From harvey.ai
    162K
  • user avatar
    Gabe Pereyra
    Harvey
    @gabepereyra
    Aug 22, 2024
    The @harvey__ai platform averages ~70% utilization / retention even after a year for firm wide rollouts to the largest pro-serv providers. Many of the largest law firms in the world are >90%.
    alt
    A New Era for Technology Adoption in Professional Services
    From harvey.ai
    108K
  • user avatar
    Gabe Pereyra
    Harvey
    @gabepereyra
    Feb 15, 2023
    Excited to partner with A&O to build custom LLMs
    Image
    Allen & Overy introduces AI chatbot to lawyers in search of efficiencies
    From ft.com
    53K
  • user avatar
    Gabe Pereyra
    Harvey
    @gabepereyra
    Mar 15, 2023
    Harvey is partnering with @PwC to develop custom GPT-4 models to augment their legal and tax professionals. This wouldn’t have been possible without the support of @OpenAI and their incredible team.
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    pwc.com
    PwC announces strategic alliance with Harvey, positioning PwC’s Legal Business Solutions at the...
    Today, PwC announced a global partnership with artificial intelligence (AI) startup Harvey, providing PwC’s Legal Business Solutions professionals exclusive access (among the Big 4) to the game-cha...
    55K
  • user avatar
    Gabe Pereyra
    Harvey
    @gabepereyra
    Jul 23, 2024
    @harvey__ai raised a $100M Series C from @GVteam, @OpenAI, @sequoia, @kleinerperkins, @eladgil, and @svangel at a $1.5B valuation. We’re honored to work with such an amazing team, clients, and investors.
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    Harvey Raises Series C from Google Ventures, OpenAI, Kleiner Perkins, Sequoia Capital, Elad Gil,...
    From harvey.ai
    148K
  • user avatar
    Gabe Pereyra
    Harvey
    @gabepereyra
    Apr 11, 2023
    Honored harvey.ai is included in @Forbes AI 50. forbes.com/lists/ai50/
    22K
  • user avatar
    Gabe Pereyra
    Harvey
    @gabepereyra
    Aug 8, 2024
    Incredibly proud of the entire @harvey__ai team and especially my cofounder @winstonweinberg. forbes.com/sites/aliciapa…
    25K

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