The world’s most valuable foundation model startups
Labs that train general-purpose AI models from scratch: large language and multimodal models, open-weight model makers, sovereign and regional language models, and world models that learn from video and simulation. Ranked worldwide by AI-estimated valuation, with listed pure players shown in grey at their market value for reference. The market sets the value; our AI estimates it.
Key metrics for this segment: key milestone. Figures as published by each company or the press, dated, not recalculated. The AIs weigh them alongside funding history and comparables.
Not in this segment. Listed, so not ranked: Zhipu AI and MiniMax (shown in grey), LightOn, whose platform sits above other makers’ models. Bought or being bought by a group: xAI (merged into SpaceX, listed), World Labs (AMD, agreed Sep 2026), Aleph Alpha (merging into Cohere), Silo AI (AMD), ELYZA (KDDI). Created by a group or a state, or without outside investors: Humain (PIF), Inception and Jais (G42), Kyutai (non-profit), Japan’s national foundation-model company (SoftBank, NEC, Sony, Honda), BharatGen. In other segments: coding models (Poolside, Magic) under Coding agents; image, video and voice models (Black Forest Labs, Runway, Luma AI, ElevenLabs) under Generative media; computer-use agents (H Company), AI21 Labs and Inflection AI, now focused on enterprise agents and assistants; Krutrim, now an AI cloud; robotics and science models (Physical Intelligence, Skild AI, Periodic Labs, Lila Sciences) under Specialized models. Chinese companies (DeepSeek, Moonshot AI, StepFun) are never ranked. A company appears in one segment only. Method
Rankings by region
Filter the ranking and the Radar. Ranks stay worldwide. Regional pages: Asia · Europe · North America.World · 27 ranked companies
| # | Company | Last round · Key metrics | Estimated valuation (AI) · range | Pool of interestsInterest: a free, non-binding declaration on a company, or on a sector within an area, made during the free phase of a pool. Pool: all the Interests declared on the same target. This column shows the number of Backers and the combined amount of their tickets. Terms for Backers → | BackBacking a startup on Uback (pronounced “you back”) can be done in two ways: Interest · free: a non-binding declaration that signals your demand for a company or a sector. You can move or withdraw it at any time, with up to 5 at once. Intention · coming soon: a paid, confirmed declaration, still non-binding. Once its pool reaches critical mass, it is presented to a company by a local partner. Neither is an order nor a commitment to invest. Terms for Backers → |
|---|---|---|---|---|---|
| 1 | AnthropicUnited States · North America | Series H · USD 65bn · May 2026Run-rate revenue above USD 65bn · Jul 2026 | Last known equity round: Series H · USD 65bn · May 2026 (Altimeter, Dragoneer, Greenoaks, Sequoia; Google) Published valuation: USD 965bn post-money (May 2026)Method |
— | Back |
| 2 | OpenAIUnited States · North America · Controlled by OpenAI Foundation (non-profit) | Funding round · USD 122bn · Mar 2026More than 1bn active users and 2M business customers · Jul 2026 | Last known equity round: Funding round · USD 122bn · Mar 2026 (Amazon, Nvidia, SoftBank); USD 35bn of Amazon’s USD 50bn depends on an IPO or a technical milestone Published valuation: USD 852bn (Apr 2026)Method |
— | Back |
| — | Zhipu AIChina · Listed · HKEX · 2513 | Revenue H1 2026 CNY 954M, up 400% year on yearIPO January 2026, Hong Kong | about HKD 557bn (USD 71bn)Market cap · Sep 2026Listed company · not ranked | ||
| 3 | Safe Superintelligence (SSI)United States · North America | Growth round · USD 2bn · Apr 2025Strategic investment and compute partnership with Nvidia · Jul 2026 | Last known equity round: Growth round · USD 2bn · Apr 2025 (Greenoaks, Alphabet, Nvidia) Published valuation: USD 32bn (Apr 2025)Method |
— | Back |
| 4 | Reflection AIUnited States · North America | Funding round · USD 2.5bn · Apr 2026No frontier open-weight model released yet · Aug 2026 | Last known equity round: Funding round · USD 2.5bn · Apr 2026 (Nvidia, Sequoia, Lightspeed, DST, B Capital and others); lead investors not confirmed Published valuation: about USD 27.5bn post-money (Apr 2026)Method |
— | Back |
| 5 | Mistral AIFrance · Europe | Series D · USD 3.5bn · Sep 2026More than 125 enterprise customers in 20 countries · Sep 2026 | Last known equity round: Series D · USD 3.5bn · Sep 2026 (Samsung; Scaleup Europe Fund (EQT), PSG Equity; Nvidia); EUR 3bn; USD 830M of data-centre debt (Mar 2026) not counted Published valuation: more than EUR 21bn (about USD 24bn) post-money (Sep 2026)Method |
— | Back |
| 6 | Thinking Machines LabUnited States · North America | Seed · USD 2bn · Jul 2025Open-weight Inkling model released (975B parameters) · Jul 2026 | Last known equity round: Seed · USD 2bn · Jul 2025 (a16z; Nvidia, AMD, Accel, Cisco, ServiceNow, Jane Street); Nvidia added an undisclosed investment in Mar 2026 Published valuation: USD 12bn post-money (Jul 2025)Method |
— | Back |
| 7 | CohereCanada · North America | Series D (with extension) · USD 600M · Sep 2025Annual recurring revenue of about USD 240M · Feb 2026 | Last known equity round: Series D (with extension) · USD 600M · Sep 2025 (Radical Ventures, Inovia Capital; AMD Ventures, Nvidia, Salesforce Ventures); USD 500M (Aug 2025) + USD 100M second close (Sep 2025); EUR 500M Series E led by Schwarz Group announced Apr 2026, not closed Published valuation: about USD 7bn (Sep 2025)Method |
— | Back |
| — | MiniMaxChina · Listed · HKEX · 0100 | Revenue H1 2026 USD 116.6M, up 283% year on yearIPO January 2026, Hong Kong | about HKD 85bn (USD 11bn)Market cap · Sep 2026Listed company · not ranked | ||
| 8 | Ineffable IntelligenceUnited Kingdom · Europe | Seed · USD 1.1bn · Apr 2026USD 1.1bn seed, among the largest ever in Europe · Apr 2026 | Last known equity round: Seed · USD 1.1bn · Apr 2026 (Sequoia, Lightspeed; Nvidia, Google, Index, DST, EQT, British Business Bank) Published valuation: USD 5.1bn post-money (Apr 2026)Method |
— | Back |
| 9 | Recursive SuperintelligenceUnited States · North America | Funding round · USD 650M · May 2026Emerged from stealth with more than USD 650M raised · May 2026 | Last known equity round: Funding round · USD 650M · May 2026 (GV, Greycroft; Nvidia, AMD); more than USD 650M Published valuation: USD 4.65bn (May 2026)Method |
— | Back |
| 10 | AMI LabsFrance · Europe | Seed · USD 1bn · Mar 2026Largest seed round ever raised in Europe · Mar 2026 | Last known equity round: Seed · USD 1bn · Mar 2026 (Cathay Innovation, Greycroft, Hiro Capital, HV Capital, Bezos Expeditions; Nvidia, Samsung); EUR ~890M Published valuation: USD 3.5bn pre-money (Mar 2026)Method |
— | Back |
| 11 | Humans&United States · North America | Seed · USD 480M · Jan 2026USD 480M seed round · Jan 2026 | Last known equity round: Seed · USD 480M · Jan 2026 (SV Angel, Georges Harik; Nvidia, Jeff Bezos, GV, Emerson Collective); later reported above USD 500M Published valuation: USD 4.48bn (Jan 2026)Method |
— | Back |
| 12 | Sakana AIJapan · Asia | Series B · USD 135M · Nov 2025Fugu Max v1.0 released · Sep 2026 | Last known equity round: Series B · USD 135M · Nov 2025 (MUFG, Khosla, NEA, Lux, Factorial, Salesforce Ventures, In-Q-Tel, Nvidia); about JPY 20bn; undisclosed strategic investments by Google, Citi and others in early 2026 Published valuation: about JPY 400bn (USD 2.65bn) (Nov 2025)Method |
— | Back |
| 13 | Liquid AIUnited States · North America | Series A · USD 250M · Dec 2024LFM2.5 model family released · Jan 2026 | Last known equity round: Series A · USD 250M · Dec 2024 (AMD) Published valuation: about USD 2.35bn (Dec 2024)Method |
— | Back |
| 14 | General IntuitionUnited States · North America | Series A · USD 320M · Jun 2026Medal, its data source, has about 17M monthly users · 2026 | Last known equity round: Series A · USD 320M · Jun 2026 (Khosla Ventures; General Catalyst, Jeff Bezos, Hillspire) Published valuation: USD 2.3bn post-money (Jun 2026)Method |
— | Back |
| 15 | Preferred NetworksJapan · Asia | Funding round · part of JPY 19bn · Dec 2024Next-generation MN-Core chip samples due H1 2027 · Sep 2026 | Last known equity round: Funding round · part of JPY 19bn · Dec 2024 (SBI; Mitsubishi Corporation, Development Bank of Japan, Sekisui House, Wacom); JPY 19bn in total including bank loans; equity share not disclosed Published valuation: more than JPY 300bn (about USD 2bn) (Dec 2024)Method |
— | Back |
| 16 | Sarvam AIIndia · Asia | Series B (first close) · USD 234M · Jun 2026About 10M API calls per day · Jun 2026 | Last known equity round: Series B (first close) · USD 234M · Jun 2026 (HCLTech; Bessemer, Khosla, Peak XV); first close of a USD 300M round Published valuation: USD 1.5bn post-money (Jun 2026)Method |
— | Back |
| 17 | Nous ResearchUnited States · North America | Series B · USD 90M · Oct 2026Hermes Agent drives about 2.5% of global token usage (company figure) · Oct 2026 | Last known equity round: Series B · USD 90M · Oct 2026 (Robot Ventures; Nvidia, M12, Samsung, USV, Menlo) Published valuation: USD 1.5bn (Oct 2026)Method |
— | Back |
| 18 | UpstageSouth Korea · Asia | Series C extension · USD 405M · Apr 2026Combined revenue including Daum of about KRW 300bn · May 2026 | Last known equity round: Series C extension · USD 405M · Apr 2026 (Korea National Growth Fund, Mirae Asset; Hyundai Motor, Kia, SK Networks); KRW 560bn package; part is state money Published valuation: KRW 1tn to 1.6tn reported (Apr 2026)Method |
— | Back |
| 19 | Arcee AIUnited States · North America | Series B · USD 150M · Sep 2026Trinity Large (400B parameters) released · early 2026 | Last known equity round: Series B · USD 150M · Sep 2026 (Vista Equity, Cambium, Emergence; M12, Hitachi, Wipro); at least USD 150M; lead reported differently by sources Published valuation: USD 1bn pre-money (Sep 2026)Method |
— | Back |
| 20 | Prime IntellectUnited States · North America | Series A · USD 130M · Jul 2026INTELLECT-3 open model released · Nov 2025 | Last known equity round: Series A · USD 130M · Jul 2026 (Radical Ventures; Intel Capital, Dell Technologies Capital) Published valuation: USD 1bn (Jul 2026)Method |
— | Back |
| 21 | Adaption LabsUnited States · North America | Seed · USD 50M · Feb 2026USD 50M seed round at launch · Feb 2026 | Last known equity round: Seed · USD 50M · Feb 2026 (Emergence Capital) Published valuation: USD 1bn (Feb 2026)Method |
— | Back |
| 22 | Reka AIUnited States · North America | Funding round · USD 110M · Jul 2025Backed by Nvidia and Snowflake in a USD 110M round · Jul 2025 | Last known equity round: Funding round · USD 110M · Jul 2025 (Nvidia, Snowflake) Published valuation: more than USD 1bn (Jul 2025)Method |
— | Back |
| 23 | ZyphraUnited States · North America | Series A · undisclosed · Jun 2025ZAYA1 trained on a full AMD and IBM stack · Nov 2025 | Last known equity round: Series A · undisclosed · Jun 2025 (AMD, Intel Capital, Future Ventures) Published valuation: USD 1bn (Jun 2025)Method |
— | Back |
| 24 | Essential AIUnited States · North America | Series A · USD 56.5M · Dec 2023Rnj-1 open model released · Dec 2025 | Last known equity round: Series A · USD 56.5M · Dec 2023 (March Capital; Google, Nvidia, AMD, Thrive)Method | — | Back |
| 25 | Inception LabsUnited States · North America | Seed · USD 50M · Nov 2025Mercury 2.5 launched, about 1,100 tokens per second · Sep 2026 | Last known equity round: Seed · USD 50M · Nov 2025 (Menlo Ventures; Mayfield, Innovation Endeavors, M12, Snowflake, Databricks, NVentures)Method | — | Back |
| 26 | Deep CogitoUnited States · North America | Series A · USD 43M · Aug 2026USD 43M Series A · Aug 2026 | Last known equity round: Series A · USD 43M · Aug 2026 (TQ Ventures; Benchmark, Nexus, Atreides, South Park Commons)Method | — | Back |
| 27 | NdeaUnited States · North America | Seed · USD 43M · Jan 2025Lab launched by the creator of the ARC-AGI benchmark · Jan 2025 | Last known equity round: Seed · USD 43M · Jan 2025 (investors not confirmed)Method | — | Back |
Back · Declaring an intention does not mean this company is raising funds. · Terms
Corporate investor? Back the startups of your own segment
No ranked company in this region yet: see the Radar.
Get every new edition
New entries, exits and movements, twice a year.
How to read this ranking
Rank
Companies are ranked by AI-estimated valuation, highest first. The market sets the value; our AI estimates it.
Estimate
An AI-estimated valuation, its uncertainty range and its order of magnitude. Indicative, and imperfect by nature.
- Hundreds of k$
- Millions $
- Tens of M$
- Hundreds of M$
- Unicorn
- Decacorn
- Hectocorn
Challengers
A registered company raising funds that is not in the ranking will be able, for a fee, to appear in a separate list labelled “Challengers”, for a set period, with a memo available to verified Backers. The listing has no effect on the ranking. Not open yet.
Radar · known eligible companies, not ranked
Sorted by date of last round, with no judgement and no AI call.
- Trillion Labs · South Korea · AsiaSep 2024 · USD 4.2M; KRW 5.7bnBack
- Lelapa AI · South Africa · Sub-Saharan AfricaFeb 2023 · USD 2.5MBack
No company on the radar in this region yet.
Chinese companies · for reference, never ranked
Facts as published, dated. Uback does not rank or value Chinese companies and no intention can be declared on them.
- 01.AI · ChinaFunding round · undisclosed · 2024
- Baichuan AI · ChinaSeries A · USD 690M · Jul 2024
- DeepSeek · ChinaPublished valuation: about CNY 351bn (USD 52bn) (Jul 2026)First outside round · USD 7.4bn · Jul 2026
- ModelBest · ChinaPublished valuation: more than CNY 20bn (Jul 2026)Funding round · undisclosed · Jul 2026
- Moonshot AI · ChinaPublished valuation: USD 35bn post-money (Jul 2026)Annual recurring revenue of USD 300M (Jun 2026)Series F · USD 3.5bn · Jul 2026
- StepFun · ChinaPre-IPO round · USD 2.5bn · May 2026
Listed benchmarks
Not ranked: no intention is possible on a listed company.
Sources and method for this segment
Calendar. Global segment rankings are published twice a year. Next edition: January 4, 2027.
Eligibility. At least $1M raised in equity, non-listed company, main activity in this segment (foundation models). A company appears in one segment only.
Sources. Company announcements, Bloomberg, Reuters, Financial Times, The Wall Street Journal, The Information, TechCrunch, SiliconANGLE, Sifted, Tech.eu, Caixin, South China Morning Post, Nikkei, The Logic, company filings and market data for listed companies.