Chamelio raised a $26M Series A led by Entrée Capital, just five months after its $10M seed round in January 2026, with ARR up 4x over that stretch and total funding now at $36M. The signal: in-house legal teams are starting to hand off contract review, negotiation, and execution — work that used to require a lawyer's line-by-line judgment — to AI agents trained to act on legal work autonomously.
Harvey closed a $550M round co-led by new investors Diffusion and Lightspeed, pushing its valuation from $11B in March to $15.5B — nearly doubling in nine months. Half the money buys confidence for its own fine-tuned model, half buys agent-security capability via the Guardrails AI acquisition: Harvey is shifting from a law-firm AI assistant into a vertical AI company that trains its own models and manages its own agent risk.
Using Weaviate Query Agent + ColQwen multi-vector model, a single prompt built a production-grade legal contract search system in 36 hours -- this post breaks down its architecture logic, technology choices, and what you actually need to watch out for.