Harvey
7 storiesHarvey is an AI company focused on legal work, valued at about $15.6 billion and originally built on OpenAI's GPT-4. Recent coverage includes its use of GPT-6 Astra to draft legal documents, a content partnership with Italian publisher Simone, and a shift toward open models as costs rise. A developer also released the open-source CaseCite as a rival, and SEC attorneys disclosed using Harvey to draft a 41-page filing in the LSU lawsuit.
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One-year-old Trajectory raised a $45M Series A at a $300M valuation, led by Sequoia with Nvidia, Bessemer and Bain Capital Ventures. Its continual-learning platform retrains open source models from user feedback, letting legal and finance experts improve specialized models without research teams; Harvey and Rogo already use it.
Italian publisher Simone said it partnered with legal AI provider Harvey to integrate its legal content into Harvey's platform, including Foro italiano, Dike Giuridica journals and annotated codes, plus same-day commentary on Supreme Court rulings. The deal includes options for gradual content expansion. Simone shares rose 4.7% to €1.35 on the news.
As Harvey raised $500M for legal AI, a developer released CaseCite, an open-source, self-hosted legal research platform. Documents, search index and chat history stay on the user's servers, AI features use the user's own API keys, and there is no telemetry.
SEC attorneys disclosed using AI tool Harvey to generate a 41-page response to LSU, certifying the AI-assisted document was independently reviewed for accuracy and applicable law. It is the first such AI disclosure in the case, which has expanded from football eligibility to LSU men's basketball.
Crunchbase data shows venture-backed AI companies bought 195 AI startups through Sept. 29, up 14% year over year, while buyers grew just 2%, driven by active acquirers. OpenAI leads with 20 acquisitions, including 10 this year.
In an OpenAI case study, Harvey uses GPT-6 Astra to produce more structured, context-aware legal documents, freeing lawyers to focus on strategy.
Harvey, a $15.6 billion legal AI startup built on OpenAI's GPT-4, is rethinking its dependence on AI giants as costs soar, embracing open models. The move shows downstream AI applications seeking cheaper, more controllable stacks.
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