20+ Best Alternatives to Nominal in 2026
Connected testing and operations platform for hardware engineering teams
Looking for an alternative to Nominal? 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 →
Castelion
$1.2BMass-producing affordable hypersonic weapons for defense
Why it's similar: Shares categories with Nominal — AI Aerospace.
💵 Enterprise · Contact sales
- 2View alternative →
Tractian
$180MIndustrial Copilot for predictive maintenance
Why it's similar: Shares categories with Nominal — AI Manufacturing.
💵 Enterprise · Contact sales
- 3View alternative →
Anduril Drones
$7.5BAutonomous defense drones and counter-UAS systems.
Why it's similar: Shares categories with Nominal — AI Aerospace.
💵 Enterprise · Contact sales
- 4View alternative →
KoBold Metals
$1.2BAI-powered exploration for critical minerals
Why it's similar: Shares categories with Nominal — AI Manufacturing.
💵 Enterprise · Contact sales
- 5View alternative →
NEURA Robotics
$175MCognitive and humanoid robots that work safely alongside people
Why it's similar: Shares categories with Nominal — AI Manufacturing.
💵 Enterprise · Contact sales
- 6View alternative →
Skyryse
$600MAI-powered fly-by-wire system for any aircraft
Why it's similar: Shares categories with Nominal — AI Aerospace.
💵 Enterprise · Contact sales
- 7View alternative →
Augury
$369MAI-driven machine health and production health for industrial reliability
Why it's similar: Shares categories with Nominal — AI Manufacturing.
💵 Free
- 8View alternative →
Dexterity
$300MPhysical AI for warehouse and supply chain robots
Why it's similar: Shares categories with Nominal — AI Manufacturing.
💵 Enterprise · Contact sales
- 9View alternative →
AI² Robotics
$145MEmbodied-AI humanoid robots and VLA models for industrial automation
Why it's similar: Shares categories with Nominal — AI Manufacturing.
💵 Enterprise · Contact sales
- 10View alternative →
Astranis
$1.2BThe world's only dedicated satellite networks providing flexible, resilient, high-speed communications for global customers.
Why it's similar: Shares categories with Nominal — AI Aerospace.
💵 Enterprise · Contact sales
- 11View alternative →
Foundation
$36MFull-stack general-purpose humanoid robots with proprietary actuators
Why it's similar: Shares categories with Nominal — AI Manufacturing.
💵 Free
- 12View alternative →
Cognite
$240MDeploy and scale industrial AI to optimize production, reduce downtime, and increase productivity across your enterprise.
Why it's similar: Shares categories with Nominal — AI Manufacturing.
💵 Enterprise · Contact sales
- 13View alternative →
PhysicsX
$175MAI-native engineering simulation that optimizes physical products in minutes.
Why it's similar: Shares categories with Nominal — AI Manufacturing.
💵 Enterprise · Contact sales
- 14View alternative →
Solena Materials
$6.7MImperial College London spinout using AI and synthetic biology to design a new class of
Why it's similar: Shares categories with Nominal — AI Manufacturing.
💵 Free
- 15View alternative →
Apex Space
$718MProductized satellite buses manufactured at scale
Why it's similar: Shares categories with Nominal — AI Aerospace.
💵 Free
- 16View alternative →
Muon Space
$396.2MVertically integrated small satellite constellations for climate and defense sensing
Why it's similar: Shares categories with Nominal — AI Aerospace.
💵 Enterprise · Contact sales
- 17View alternative →
Xoople
$225MBuilding Earth's system of record for the agentic AI era
Why it's similar: Shares categories with Nominal — AI Aerospace.
💵 Enterprise · Contact sales
- 18View alternative →
Neara
$165MAI-powered 3D digital twins for grids and critical infrastructure
Why it's similar: Shares categories with Nominal — AI Manufacturing.
💵 Free
- 19View alternative →
Preferred Networks
$160MPreferred Networks develops and provides all four layers of the AI technology value chain: AI semiconductors, computing infrastructure, generative AI foundation models, and AI products/solutions.
Why it's similar: Shares categories with Nominal — AI Manufacturing.
💵 Enterprise · Contact sales
- 20View alternative →
Sereact
$136MPhysical AI that delivers real autonomy on the warehouse floor, operating with zero supervision and infinite precision.
Why it's similar: Shares categories with Nominal — AI Manufacturing.
💵 Enterprise · Contact sales
Frequently asked questions
What are the best alternatives to Nominal?
The top-ranked alternatives to Nominal on NeuronFeed are Castelion, Tractian, Anduril Drones, KoBold Metals, NEURA Robotics. Rankings are based on our Neuron score, which weighs funding, momentum and editorial signal.
Is there a free alternative to Nominal?
Yes — Augury, Foundation, Solena Materials offer a free plans. See the pricing column for each alternative above.
How is this list ranked?
We rank alternatives by shared categories with Nominal, then by our proprietary Neuron score (0–100) which combines funding, team quality, momentum, and editorial input. The list refreshes every 30 days.
Nominal vs Castelion — which is better?
It depends on use case. Castelion (Mass-producing affordable hypersonic weapons for defense) is the #1-ranked alternative. See the full side-by-side at /compare/nominal-io-vs-castelion.
Explore more around Nominal
Contextual paths to related AI startups, deals and rankings.