Lightspeed Venture Partners Deals

TypeSafe AI, developer of the Jev non-text decision model, raised $870 million at a $7.5 billion valuation to scale infrastructure and commercialization.

Arena raised a $200 million Series B round at a $3.1 billion valuation to expand its AI evaluation platform and launch the Arena Alignment Index.

Mixed primary and secondary transaction that lifts RobCo’s valuation above $1 billion while providing liquidity to long-term employees.

Reports say Emulate, a London AI lab founded by ex‑DeepMind researchers, is negotiating a funding round of up to $700 million led by Index Ventures and Lightspeed at an estimated $3.7 billion valuation.

OpenAI researcher Miles Wang is reportedly in talks to raise roughly $200 million at a $2 billion valuation for a new AI drug discovery startup, with Lightspeed Venture Partners discussing a lead role.

Series B funding to scale Patronus AI’s Digital World Models and simulation infrastructure for training and evaluating autonomous AI agents.

Assort Health raised $120 million in Series C funding led by Menlo Ventures at a $1.2 billion valuation to scale its AI agent platform that automates patient access and administrative workflows for healthcare providers.

Reactor raised $59 million led by Lightspeed to build a developer platform for real‑time world‑model generative video and interactive AI applications, running on AWS.

ElevenLabs raised a $500 million Series D round at an $11 billion valuation to expand its voice AI and agentic platform globally.

Seed round funding Inferact’s commercialization of the open‑source vLLM inference engine for large-scale AI deployments.

Series B funding to expand Emergent’s AI‑agent platform that lets non‑coders design, build and deploy production apps.

SoftBank led a roughly $1.4 billion Series C investment in Skild AI, valuing the robotics foundation-model startup above $14 billion.