Who is betting on what in AI, and against whom.
Andreessen Horowitz
- Kind
- vc
- Rounds
- 10, led 7
- Rounds joined
- $18.89B in total size
- Appears as
- Andreessen Horowitz, a16z
Camp exposure
Labs backed
Luma AIVideo models with a Saudi-funded 2 GW cluster.
MistralEuropean open-weight frontier.
Periodic LabsAutonomous labs plus models for materials discovery.
SS
Safe SuperintelligenceStraight shot, no products.
Thinking Machines LabPost-training and fine-tuning as the product.
World LabsMarble, then Atlas (September 2026): 3D worlds from images, text and video. $1B, Feb 2026.
xAI (SpaceX AI division)Grok. Compute-maximalist.
Rounds
| Date | Lab | Camp | Amount | Kind | Valuation | Role | Source |
|---|---|---|---|---|---|---|---|
| Nov 2025 | Luma AI | World models | $900M | Series C | $4B reported | joined | CNBC |
| Sep 2025 | Periodic Labs | Physics AI | $300M | seed | $1.3B post-money | led | TechCrunch |
| Jul 2025 | Thinking Machines Lab | LLM scaling | $2B | seed | $12B post-money | led | TechCrunch |
| Apr 2025 | Safe Superintelligence | LLM scaling | $2B | funding round | $32B post-money | joined | CTech, TechCrunch |
| Dec 2024 | xAI (SpaceX AI division) | LLM scaling | $6B | Series C | $50B reported | led | xAI |
| Sep 2024 | Safe Superintelligence | LLM scaling | $1B | funding round | $5B post-money | led | CTech |
| Sep 2024 | World Labs | World models | $230M | seed and Series A | $1B reported | led | TechCrunch |
| May 2024 | xAI (SpaceX AI division) | LLM scaling | $6B | Series B | $24B post-money | joined | xAI |
| Jan 2024 | Luma AI | World models | $43M | Series B | led | TechCrunch | |
| Dec 2023 | Mistral | LLM scaling | $415M | Series A | $2B post-money | led | TechCrunch |