The facts
Axiom Math at a glance.
Read Oct 20, 2026. Valuations and amounts are copied as each source states them; a figure that is only reported (talks, or people familiar with the deal) is labeled as reported.
- Kind of company
- Science, materials and mathAI for physics, chemistry, new materials and mathematics, often with robotic labs.
- Based in
- Palo Alto, United States
- Founded
- Not found in our sourcesForbes Italia, Oct 2, 2025
- Last closed-round valuation
- $1.6B$1.6 billion (Axios Pro, Pro Rata Premium: First Look (Lucinda Shen), Mar 12, 2026)
- What it has shipped
- Has a model or API
Founders
- Carina Hong: Stanford Ph.D. student; MIT bachelor's in mathematics and physics; Oxford master's; 2023 Morgan Prize winner (SiliconANGLE, Oct 2, 2025)
- Shubho Sengupta: former Meta Platforms AI researcher who helped develop Meta's Llama LLMs (SiliconANGLE, Oct 2, 2025)
Raised $200M Series A at a $1.6B valuation led by Menlo Ventures. Mar 12, 2026
Axios Pro, Pro Rata Premium: First Look (Lucinda Shen), Mar 12, 2026
What it has built
Shipped, or not yet.
“Has a model or API” is what our search found: something the public can use or buy, a model or API, research only, or nothing public.
2 rounds
Funding, as reported.
Every round we found, with the amount, valuation and investors as the source states them.
| When | Round | Amount | Valuation | Investors named | Source |
|---|---|---|---|---|---|
| Oct 2, 2025 | Seed (reported as a first funding round) | $64 million | $300 million | B Capital (lead), Greycroft, Madrona Ventures, Menlo Ventures | SiliconANGLE |
| Mar 12, 2026 | Series A | $200 million | $1.6 billion | Menlo Ventures (lead), Greycroft, Madrona, B Capital | Axios Pro, Pro Rata Premium: First Look (Lucinda Shen) |
Outside checks
What others have found.
- Putnam 2025 solutions are published as Lean 4 code in a public package registry, so anyone can machine-check them; no third-party audit was found. (Lean Reservoir package page, AxiomMath/Putnam2025, Sep 7, 2026)
Our note: Founding year not stated on any page fetched. Forbes Italia says Hong left Stanford after a conversation 'last autumn' (article dated 2025-10-02). Series A source is an Axios Pro newsletter item; Pulse 2.0 (2026-03-13) reports 'above $1.6 billion'. The company blog lists posts through Oct 2026.
More science, materials and math