20+ Best Alternatives to Aster in 2026
The first AI-native AI research lab using agentic workflows to accelerate model discovery.
Looking for an alternative to Aster? 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 →
Moonshot AI
$3BMaker of Kimi — the long-context AI chatbot.
Why it's similar: Shares categories with Aster — AI Agents, Foundation Models.
💵 Free
- 2View alternative →
Mistral AI
$6.3BOpen and efficient foundation models
Why it's similar: Shares categories with Aster — AI Agents, Foundation Models.
💵 Free
- 3View alternative →
humans&
$480MHuman-centric AI research lab founded by Anthropic, xAI and Google alums
Why it's similar: Shares categories with Aster — AI Agents, Foundation Models.
💵 Enterprise · Contact sales
- 4View alternative →
Zhipu AI
$2.0BChinese foundation model lab behind ChatGLM and GLM-4.
Why it's similar: Shares categories with Aster — AI Agents, Foundation Models.
💵 Free
- 5View alternative →
01.AI
$200MFounded by Kai-Fu Lee — maker of the Yi model family.
Why it's similar: Shares categories with Aster — AI Agents, Foundation Models.
💵 Freemium
- 6View alternative →
Harmonic
$295MMathematical superintelligence with hallucination-free, verified reasoning
Why it's similar: Shares categories with Aster — Foundation Models, Research Assistants.
💵 Free
- 7View alternative →
AMI Labs
$1.0BYann LeCun's lab building foundational world models for real-world AI
Why it's similar: Shares categories with Aster — Foundation Models, Research Assistants.
💵 Free trial
- 8View alternative →
Axiom Math
$264MAI mathematician that generates and proves new mathematical knowledge
Why it's similar: Shares categories with Aster — Foundation Models, Research Assistants.
💵 Free
- 9View alternative →
Poolside
$500MAI platform for software engineering
Why it's similar: Shares categories with Aster — AI Agents, Foundation Models.
💵 Enterprise · Contact sales
- 10View alternative →
Writer
$321MFull-stack generative AI for enterprise
Why it's similar: Shares categories with Aster — AI Agents, Foundation Models.
💵 Enterprise · From $29/mo
- 11View alternative →
Luma AI
$954MDream Machine — the world's most realistic AI video
Why it's similar: Shares categories with Aster — AI Agents, Foundation Models.
💵 Free trial · From $30/mo
- 12View alternative →
Radical AI
$55MAutonomous materials-science labs to discover new materials 50x faster
Why it's similar: Shares categories with Aster — Foundation Models, Research Assistants.
💵 Free
- 13View alternative →
Axiomatic AI
$25MIntelligence infrastructure for verified science and engineering
Why it's similar: Shares categories with Aster — Foundation Models, Research Assistants.
💵 Free
- 14View alternative →
Sentient
$85MOpen, community-built AGI to take on closed labs
Why it's similar: Shares categories with Aster — AI Agents, Foundation Models.
💵 Free
- 15View alternative →
Autoscience
$14MAutomating AI research with autonomous AI scientists
Why it's similar: Shares categories with Aster — Foundation Models, Research Assistants.
💵 Free
- 16View alternative →
AI21 Labs
$336MAdvanced language AI for enterprise applications
Why it's similar: Shares categories with Aster — AI Agents, Foundation Models.
💵 Free trial
- 17View alternative →
Tavus
$40MAI video personalization platform
Why it's similar: Shares categories with Aster — AI Agents, Foundation Models.
💵 Free
- 18View alternative →
DeepSeek
UndisclosedOpen-weights frontier AI models with breakthrough efficiency.
Why it's similar: Shares categories with Aster — AI Agents, Foundation Models.
💵 Free
- 19View alternative →
Aleph Alpha
$533MSpecialised language models for a sovereign Europe, designed for real, business-critical environments and decisions.
Why it's similar: Shares categories with Aster — AI Agents, Foundation Models.
💵 Enterprise · Contact sales
- 20View alternative →
Patronus AI
$20MA frontier lab training the first Digital World Models to simulate and predict agent actions in digital workflows.
Why it's similar: Shares categories with Aster — AI Agents, Foundation Models.
💵 Enterprise · Contact sales
Frequently asked questions
What are the best alternatives to Aster?
The top-ranked alternatives to Aster on NeuronFeed are Moonshot AI, Mistral AI, humans&, Zhipu AI, 01.AI. Rankings are based on our Neuron score, which weighs funding, momentum and editorial signal.
Is there a free alternative to Aster?
Yes — Moonshot AI, Mistral AI, Zhipu 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 Aster, then by our proprietary Neuron score (0–100) which combines funding, team quality, momentum, and editorial input. The list refreshes every 30 days.
Aster vs Moonshot AI — which is better?
It depends on use case. Moonshot AI (Maker of Kimi — the long-context AI chatbot.) is the #1-ranked alternative. See the full side-by-side at /compare/aster-vs-moonshot-ai.
Explore more around Aster
Contextual paths to related AI startups, deals and rankings.