24 AI startups in the United States. The oldest was founded in 2012, the newest in 2026. Newest check: 11 Nov 2026.
59 of 86 companies were checked against the vendor's own page in the last 30 days.
| Company | Type | Based in | Founded | On Hokai | Checked |
|---|---|---|---|---|---|
| Ricursive IntelligenceAI lab from AlphaChip's creators, maker of Ripple open models | Startup | Palo Alto, USA | 2025 | 1 | 11 Nov |
| ThunderPhoneSan Francisco voice AI platform, maker of the Zeus agent | Startup | San Francisco, USA | 2024 | 1 | 11 Nov |
| Thinking Machines LabMurati's lab behind the Tinker API and the Inkling model family | Startup | San Francisco, USA | 2025 | 1 | 9 Nov |
| Particle AIPost-trains open models to finish coding tasks in fewer tokens | Startup | San Francisco, USA | -- | 1 | 30 Oct |
| Figure AIHumanoid robots for factories, warehouses and homes, driven by the in-house Helix AI model. | Startup | San Jose, USA | 2022 | -- | 25 Oct |
| SambaNova SystemsThe fastest AI inference platform, built on custom RDU chips. | Startup | San Jose, USA | 2017 | -- | 25 Oct |
| Skild AIBuilders of S1, the in-context-learning robot brain now crossing $100M ARR. | Startup | Pittsburgh, USA | 2023 | -- | 25 Oct |
| Physical IntelligenceBuilding one foundation model brain to run any robot, any task | Startup | San Francisco, USA | 2024 | -- | 24 Oct |
| Protect AIAI and ML security company, acquired by Palo Alto Networks in 2025; its scanning technology now ships in Prisma AIRS. | Startup | Seattle, USA | 2022 | -- | 24 Oct |
| Scale AIAI training data, evaluations and enterprise agents, with a US government business. | Startup | San Francisco, USA | 2016 | -- | 24 Oct |
| Loop AIEnterprise AI platform that trains client-owned language models instead of API calls. | Startup | San Francisco, USA | 2012 | -- | 23 Oct |
| ParasmaYC S26 startup training human brain cells for compute, as an alternative to GPUs. | Startup | San Francisco, USA | 2026 | -- | 23 Oct |
| Perplexity AIAI answer engine and agent company: cited answers, the Computer agent and an Agent API | Startup | San Francisco, USA | 2022 | -- | 23 Oct |
| World LabsFei-Fei Li's spatial intelligence startup building 3D world models | Startup | San Francisco, USA | 2024 | 1 | 21 Oct |
| Reflection AIOpen-weight frontier models for coding and agents | Startup | New York, USA | 2024 | 1 | 19 Oct |
| TypeSafe AIBuild Prod, Not God: machine-native models for software, not chat. | Startup | San Francisco, USA | 2024 | 1 | 8 Oct |
| SunoAI music app behind Suno v6, licensed by Warner and BMG. | Startup | Cambridge, USA | 2022 | 1 | 6 Oct |
| InceptionDiffusion language models that refine text in parallel. | Startup | Palo Alto, USA | 2024 | 2 | 3 Oct |
| Safe Superintelligence Inc.Ilya Sutskever's stealth lab with one goal and one product: safe superintelligence. | Startup | Palo Alto, USA | 2024 | -- | 28 Sep |
| Mecha HealthFoundation models that draft radiology reports for physician review. | Startup | San Francisco, USA | 2024 | -- | 25 Aug |
| Liquid AIBuilders of the Liquid Foundation Models, device-native AI for edge hardware. | Startup | Cambridge, USA | 2023 | 4 | 29 Oct |
| OsmosisPost-training platform that fine-tunes task-specific models with reinforcement learning. | Startup | San Francisco, USA | 2024 | 1 | 28 Oct |
| GroqPurpose-built LPU inference chip and GroqCloud API for fast, low-cost AI. | Startup | Mountain View, USA | 2016 | -- | 24 Oct |
| OS3US-built semi-humanoid robots with video-trained intelligence | Startup | San Francisco, USA | 2025 | -- | 23 Oct |
A person checks every record against the vendor's own page. Rankings cannot be bought. How Hokai checks records. Not sure what you need? Describe the job to Smart Match and get three picks with reasons.