The companies of the AI era

Frontier models (Claude), AI safety

Overtook OpenAI as the most valuable AI startup with a ~$65B Series H, then filed confidentially for an IPO.

Founders: Dario Amodei, Daniela Amodei, et al.

Frontier models (GPT, o-series), ChatGPT

Closed a ~$122B round in March 2026 and filed a confidential S-1, though a listing may slip to 2027.

Founders: Sam Altman, Greg Brockman, Ilya Sutskever, Elon Musk, et al.

Frontier models (Grok)

Raised a ~$20B Series E at ~$230B, then was folded into SpaceX, which took the combined entity public in June 2026.

Founders: Elon Musk

Open-weight frontier models (V3, R1)

Took its first outside capital (~$7B) after years of High-Flyer funding and is preparing a mainland-China IPO.

Founders: Liang Wenfeng

AI code editor

ARR passed $2B in three years; SpaceX pre-empted its round with a $10B collaboration deal and a $60B buyout option.

Founders: Michael Truell, Sualeh Asif, Arvid Lunnemark, Aman Sanger

Humanoid robots

Figure 03 moved from demos to commercial work in 2026, sorting hundreds of thousands of packages in live deployments.

Founders: Brett Adcock

Superintelligence research, no interim products

Still no product or published research; NVIDIA added ~$5B in July 2026 at a flat price as SSI shifted from TPUs to GPUs.

Founders: Ilya Sutskever, Daniel Gross, Daniel Levy

Training data and evaluation

Meta owns 49% and hired Wang; the business has pivoted toward government work, with its Pentagon contract 5×ing to ~$500M.

Founders: Alexandr Wang, Lucy Guo

Autonomous coding agents (Devin)

Absorbed Windsurf in 2025; Devin now writes ~90% of Cognition’s own code, with ARR near $500M.

Founders: Scott Wu, et al.

Open-weight frontier models

Pivoted from coding agents to positioning as America’s open-source frontier lab, raising $2.5B with heavy NVIDIA backing.

Founders: Misha Laskin, Ioannis Antonoglou

Frontier training data

Bootstrapped past $1B in revenue before ever raising, overtaking Scale as labs’ preferred data vendor.

Founders: Edwin Chen

AI-native search and browser (Comet)

ARR passed $450M as its Comet browser became the main challenger to Google-owned search defaults.

Founders: Aravind Srinivas, et al.

Open-weight and frontier models (Mistral, Mixtral)

Europe’s flagship lab; reportedly raising ~€3B — with Samsung in talks for up to €1B — to fund European data centers.

Founders: Arthur Mensch, Guillaume Lample, Timothée Lacroix

Enterprise and sovereign AI models

Merged with Germany’s Aleph Alpha, with Schwarz Group anchoring, to form a transatlantic sovereign-AI challenger.

Founders: Aidan Gomez, Nick Frosst, Ivan Zhang

Enterprise customer-service agents

Outcome-based pricing per resolved conversation; hit $150M ARR faster than any traditional software company.

Founders: Bret Taylor, Clay Bavor

Robotics foundation models

A SoftBank-led ~$1.4B round tripled its price in seven months on the robot-brain-as-software thesis.

Founders: Deepak Pathak, Abhinav Gupta

Model hub and open-source tooling

The GitHub of machine learning; a €1.7B raise ended years of running on its 2023 price.

Founders: Clément Delangue, Julien Chaumond, Thomas Wolf

Vibe-coding app builder

Hit a ~$500M revenue run rate in under three years — Europe’s fastest-scaling software company ever.

Founders: Anton Osika, Fabian Hedin

Multimodal models, RL fine-tuning (Tinker)

Record ~$2B seed round; a reported attempt to raise at ~$50B collapsed in early 2026 without a deal.

Founders: Mira Murati, John Schulman, Barret Zoph, et al.

Clinical evidence search for physicians

The “ChatGPT for doctors” — a 12× valuation jump in one year on rapid physician adoption.

Founders: Daniel Nadler, Zachary Ziegler

Foundation models for software engineering

NVIDIA invested ~$1B; unusually for a model lab, it is building its own multi-gigawatt data-center campus.

Founders: Jason Warner, Eiso Kant

GPU cloud for AI training and inference

The startup-shaped neocloud; targeting an IPO in late 2026 on a ~$500M+ revenue run rate.

Founders: Stephen Balaban, Michael Balaban

Legal AI

The category leader in professional-services AI; valuation nearly 4×ed in a year on ~$190M ARR.

Founders: Winston Weinberg, Gabe Pereyra

Voice synthesis and audio AI

The default voice layer for the agent ecosystem; in talks for a tender at roughly double that price.

Founders: Mati Staniszewski, Piotr Dąbkowski

Expert data and AI-native hiring

Annualized revenue crossed ~$2B — mostly from frontier labs — with a reported raise in talks at ~$20B.

Founders: Brendan Foody, Adarsh Hiremath, Surya Midha

Home humanoid robots (NEO)

Betting humanoids land in homes first: the $20k NEO began shipping to early customers in 2026.

Founders: Bernt Børnich

Agentic app-building platform

Tripled its valuation in six months as vibe coding pulled its 50M-user platform into the enterprise.

Founders: Amjad Masad, Haya Odeh, Faris Masad

Open-model cloud and inference

The de facto serving layer for the open-weight ecosystem; annual bookings crossed $1B as open-model usage tripled.

Founders: Vipul Ved Prakash, Ce Zhang, et al.

Enterprise search and work agents

The connective tissue between enterprise data and LLMs; ARR roughly tripled to ~$300M without a new round.

Founders: Arvind Jain, et al.

Inference chips (LPU) and cloud

NVIDIA licensed its LPU technology in a ~$20B deal in late 2025; Groq raised $650M to rebuild as an inference cloud.

Founders: Jonathan Ross

Foundation models for robotics

Building a single generalist policy (π series); reportedly in talks to raise ~$1B at an $11B+ valuation.

Founders: Karol Hausman, Sergey Levine, Chelsea Finn, et al.

Music generation

More than doubled its valuation in six months and teased its first fully licensed model after settling with major labels.

Founders: Mikey Shulman, et al.

Video generation and world models (Gen series)

Raised $315M led by General Atlantic to push beyond Hollywood video work into general-purpose world models.

Founders: Cristóbal Valenzuela, et al.

Clinical documentation AI

The leading ambient scribe for health systems; extended its Series E with another ~$316M in April 2026.

Founders: Shiv Rao, Sandeep Konam

Spatial intelligence / world models

Raised ~$1B led by Autodesk after shipping Marble, its first commercial generative 3D world model.

Founders: Fei-Fei Li, et al.

Customer-support agents

Tripled its valuation in under a year as Sierra’s sharpest rival in enterprise support automation.

Founders: Jesse Zhang, Ashwin Sreenivas

Video and multimodal world models (Dream Machine)

A ~$900M raise — among the largest in generative video — funds its push from video generation toward world models.

Founders: Amit Jain, Alex Yu

Image generation (FLUX)

Stable Diffusion’s creators; FLUX became the default open image stack, powering Grok’s image features.

Founders: Robin Rombach, Patrick Esser, Andreas Blattmann

Nature-inspired models for Japan

Japan’s flagship lab, backed by MUFG and the country’s financial establishment for sovereign AI.

Founders: David Ha, Llion Jones, Ren Ito

Agent orchestration and observability (LangSmith)

The default open-source scaffolding for agent builders, monetized through LangSmith tooling.

Founders: Harrison Chase, Ankush Gola

Image generation

Never raised venture capital; took a Meta licensing deal in 2025.

Founders: David Holz