20+ Best Alternatives to Fundamental in 2026
AI research company with a new approach to big data analysis
Looking for an alternative to Fundamental? Below are 20 AI startups working in the same space — ranked by our Neuron score so the most credible options come first. Each card shows what makes the tool a viable substitute, pricing signals, and funding stage.
- 1View alternative →
Kumo
$37MRelational foundation model for predictive AI
Why it's similar: Shares categories with Fundamental — AI Analytics, Foundation Models.
💵 Enterprise · Contact sales
- 2View alternative →
Anthropic
$133.1BAI safety lab building Claude — a helpful, harmless, honest AI assistant.
Why it's similar: Shares categories with Fundamental — Foundation Models.
💵 Free · From $20/mo
- 3View alternative →
OpenAI
$193.3BCreator of ChatGPT, GPT-4, and the leading frontier AI lab.
Why it's similar: Shares categories with Fundamental — Foundation Models.
💵 Free · From $20/mo
- 4View alternative →
Moonshot AI
$6.5BMaker of Kimi — the long-context AI chatbot.
Why it's similar: Shares categories with Fundamental — Foundation Models.
💵 Free
- 5View alternative →
Perplexity
$2.0BAI-powered answer engine delivering real-time, cited responses to complex queries.
Why it's similar: Shares categories with Fundamental — Foundation Models.
💵 Free
- 6View alternative →
MiniMax
$2.2BChinese AI lab behind Hailuo video and Talkie companions.
Why it's similar: Shares categories with Fundamental — Foundation Models.
💵 Freemium
- 7View alternative →
Thinking Machines Lab
$2BFrontier AI research lab building customizable, multimodal models
Why it's similar: Shares categories with Fundamental — Foundation Models.
💵 Usage
- 8View alternative →
Mistral AI
$11.2BOpen and efficient foundation models
Why it's similar: Shares categories with Fundamental — Foundation Models.
💵 Free
- 9View alternative →
Runway
$1.4BApplied AI research for video, image, and 3D.
Why it's similar: Shares categories with Fundamental — Foundation Models.
💵 Free · From $15/mo
- 10View alternative →
Genspark
$520MYour all-in-one AI workspace that puts busywork on autopilot.
Why it's similar: Shares categories with Fundamental — AI Analytics.
💵 Freemium · From $19/mo
- 11View alternative →
Zhipu AI
$2.0BChinese foundation model lab behind ChatGLM and GLM-4.
Why it's similar: Shares categories with Fundamental — Foundation Models.
💵 Free
- 12View alternative →
LimX Dynamics
$200MFull-size humanoid robots and embodied intelligence for the physical world
Why it's similar: Shares categories with Fundamental — Foundation Models.
💵 Free
- 13View alternative →
Black Forest Labs
$300MFrontier AI research lab for visual intelligence, building production-grade image generation and editing models.
Why it's similar: Shares categories with Fundamental — Foundation Models.
💵 Free
- 14View alternative →
01.AI
$200MFounded by Kai-Fu Lee — maker of the Yi model family.
Why it's similar: Shares categories with Fundamental — Foundation Models.
💵 Freemium
- 15View alternative →
Generalist AI
$1.1BGeneral-purpose embodied foundation models for physical-world robots
Why it's similar: Shares categories with Fundamental — Foundation Models.
💵 Free
- 16View alternative →
Physical Intelligence
$600MFoundation models for physical world AI
Why it's similar: Shares categories with Fundamental — Foundation Models.
💵 Enterprise · Contact sales
- 17View alternative →
Peregrine Technologies
$440MDecision-support and data integration platform for public safety agencies
Why it's similar: Shares categories with Fundamental — AI Analytics.
💵 Free
- 18View alternative →
ShengShu Technology
$380MMultimodal AI video generation with the Vidu model
Why it's similar: Shares categories with Fundamental — Foundation Models.
💵 Free
- 19View alternative →
Liquid AI
$250MEfficient general-purpose foundation models built for edge, on-device, and cloud deployment at every scale.
Why it's similar: Shares categories with Fundamental — Foundation Models.
💵 Enterprise · Contact sales
- 20View alternative →
Findem
$105MExpert-labeled talent dataset for AI-powered hiring
Why it's similar: Shares categories with Fundamental — AI Analytics.
💵 Enterprise · Contact sales
Frequently asked questions
What are the best alternatives to Fundamental?
The top-ranked alternatives to Fundamental on NeuronFeed are Kumo, Anthropic, OpenAI, Moonshot AI, Perplexity. Rankings are based on our Neuron score, which weighs funding, momentum and editorial signal.
Is there a free alternative to Fundamental?
Yes — Anthropic, OpenAI, Moonshot AI offer a free plans. See the pricing column for each alternative above.
How is this list ranked?
We rank alternatives by shared categories with Fundamental, then by our proprietary Neuron score (0–100) which combines funding, team quality, momentum, and editorial input. The list refreshes every 30 days.
Fundamental vs Kumo — which is better?
It depends on use case. Kumo (Relational foundation model for predictive AI) is the #1-ranked alternative. See the full side-by-side at /compare/fundamental-vs-kumo-ai.
Explore more around Fundamental
Contextual paths to related AI startups, deals and rankings.