Blacksmith Raises $45M Series B at $550M — Peak XV Bets on AI-Era CI
Peak XV led Blacksmith’s $45M Series B (closed March, announced Aug 12) with YC and GV tripling down — purpose-built CI compute as AI codegen floods test queues.
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August 11–12 VC News: Personal AI, Defense Drones, MSK OS, Agent Security & Insurance Rails
Gap-fill investment explainers for Aug 11–12: River AI $1.1B, Neros $250M, Flagler $50M, Obsidian $85M, Noosphere $10.25M, and Axle $17.5M — who uses the products and why these funds fit.
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River AI’s $1.1B Seed/A: General Catalyst Bets on Owned Personal Intelligence
xAI co-founder Igor Babuschkin’s River AI raised $1.1B across Seed and Series A led by General Catalyst and AMP PBC — LoRA/RL fine-tuning for open-weight models enterprises can own.
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Noosphere Labs’ $10.25M: Madrona and Trilogy Back Stealth Physical AI
Ex-Meta AI research director Kevin Carlberg raised $10.25M for Noosphere Labs — human-centered physical intelligence — led by Trilogy Equity Partners with major Madrona participation.
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Neros’s $250M Series C at $2.5B: Sequoia and ASTF Scale Attritable Drones
Torrance defense startup Neros raised $250M Series C at $2.5B post-money co-led by Sequoia and the American Strategic Technology Fund to ramp Archer AI strike and Bandit interceptor drones.
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Flagler Health’s $50M Series B: Bessemer Backs the MSK Clinic Operating System
Bessemer led Flagler Health’s $50M Series B (total ~$63M) for an AI-native OS that runs musculoskeletal clinics inside existing EMRs — triage, care, billing, and patient comms.