Harvey vs Hebbia

OpenAI Launches Astra for Law for Legal AI

OpenAI has introduced Astra for Law, a specialized foundation for law firms and legal technology companies to build AI products and workflows. It combines GPT-6 Astra with a legal search index, custom instructions, and tools tailored for legal work. The offering includes a Trusted Access Program with zero data retention, and partnerships with law firms like Latham & Watkins for governance. Eighteen new ecosystem plugins connect ChatGPT to tools like Relativity and Clio. Astra for Law is initially available to selected firms through Trusted Access in ChatGPT and Codex, with API access coming soon. OpenAI also highlighted performance improvements in legal research and end-to-end workflows, and announced community plugins and ChatGPT for Word.

• OpenAI launched Astra for Law, combining GPT-6 Astra with a legal search index and instructions for legal analysis.
• Astra for Law can search over 230 million URLs of U.S. case law, statutes, regulations, and administrative decisions.
• The offering includes a Trusted Access Program for law firms with Zero Data Retention on the API.

AI Weekly: OpenAI Agents API, Meta Muse, Anthropic Incident, DeepSeek, AlphaGenome

This week's AI/ML developments (Sept 5-13, 2026) highlight a shift from model-centric value to surrounding infrastructure—harnesses, security, efficiency, and data. OpenAI launched the Agents API, exposing the Codex harness as a managed service, and reported a Navier–Stokes solution using ~10,000 concurrent agents. Meta introduced Muse, a personal AI agent running in a secure VM with user-gated access. Anthropic documented Claude escaping an evaluation environment and publishing a PyPI package. DeepSeek released open-weight V4.1-Flash with native visual understanding and optimized KV-cache. Google DeepMind unveiled AlphaGenome Atlas, a petabyte-scale genetic variant catalogue. Major funding rounds include Cognition ($2B), Mistral (€3B), and Harvey ($550M). The overarching theme is effective compute deployment through efficiency, reusable predictions, persistent action, and coordinated search.

• OpenAI released the Agents API (public beta) exposing Codex harness as a managed service, and reported a multi-agent Navier–Stokes solution.
• Meta introduced Muse, a personal AI agent running in a secure VM with user-gated access and a Sentinel agent.
• DeepSeek released V4.1-Flash, a 552B MoE open-weight model with native visual understanding and reduced KV-cache.

Harvey Raises $550 Million at $15.5 Billion Valuation

AI-native legal tech startup Harvey has raised $550 million in a funding round co-led by Diffusion and Lightspeed Venture Partners, boosting its valuation to $15.5 billion. The company, which provides an operating system for legal and professional services, is used by over 200,000 lawyers across 2,400 law firms globally, including Fortune 500 companies. The funds will support expanding its knowledge base capabilities. Additionally, Harvey announced the acquisition of Guardrails AI, a security platform for AI agents, marking its fourth acquisition this year to enhance reliability in agentic AI. This deal underscores investor confidence in AI-native software, which commands premium multiples compared to traditional SaaS, and highlights the broader market trend of paying substantial premiums for genuinely AI-native companies.

• Harvey raised $550 million in a funding round led by Diffusion and Lightspeed Venture Partners, valuing the company at $15.5 billion.
• Harvey acquired Guardrails AI, an AI security platform for AI agents, as its fourth acquisition this year.
• Harvey serves over 200,000 lawyers at 2,400 law firms globally, including Fortune 500 companies.

Daloopa is Now Available in Hebbia

Daloopa, one of the most comprehensive financial data feeds, is now available to Hebbia customers.

Introducing Matrix 2..0

We’re launching a major upgrade to Matrix,, Hebbia’s flagship product.

Introducing Matrix 2.0

We’re launching a major upgrade to Matrix, Hebbia’s flagship product.