20+ Best Alternatives to Alice & Bob in 2026
Fault-tolerant quantum computing powered by self-correcting cat qubits.
Looking for an alternative to Alice & Bob? 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 →
Quantinuum
$2.6BWorld's largest integrated quantum computing company
Why it's similar: Shares categories with Alice & Bob — AI Infrastructure, AI + Quantum.
💵 Enterprise · Contact sales
- 2View alternative →
Lightmatter
$850MPhotonic chips that move data with light for next-gen AI data centers
Why it's similar: Shares categories with Alice & Bob — AI Infrastructure, AI + Quantum.
💵 Enterprise · Contact sales
- 3View alternative →
Quobly
$145MIndustrial silicon-based quantum computers built on semiconductor fabs.
Why it's similar: Shares categories with Alice & Bob — AI Infrastructure, AI + Quantum.
💵 Enterprise · Contact sales
- 4View alternative →
Quantum Machines
$280MThe control layer powering the world's quantum computers
Why it's similar: Shares categories with Alice & Bob — AI Infrastructure, AI + Quantum.
💵 Enterprise · Contact sales
- 5View alternative →
Nebius
$700MFull-stack AI cloud with large-scale GPU clusters for training and inference
Why it's similar: Shares categories with Alice & Bob — AI Infrastructure.
💵 Free trial
- 6View alternative →
Celestial AI
$515MPhotonic Fabric optical interconnect for AI infrastructure
Why it's similar: Shares categories with Alice & Bob — AI Infrastructure.
💵 Custom
- 7View alternative →
d-Matrix
$385MDigital in-memory compute (DIMC) chiplet-based hardware purpose-built for AI inference in the
Why it's similar: Shares categories with Alice & Bob — AI Infrastructure.
💵 Free
- 8View alternative →
Mythic
$260MAnalog compute-in-memory chips for power-efficient edge AI
Why it's similar: Shares categories with Alice & Bob — AI Infrastructure.
💵 Custom
- 9View alternative →
Chainguard
$256MSecure, minimal container images for software and AI supply chains
Why it's similar: Shares categories with Alice & Bob — AI Infrastructure.
💵 Free
- 10View alternative →
Zilliz
$113MFully managed vector database for AI, built by the creators of Milvus
Why it's similar: Shares categories with Alice & Bob — AI Infrastructure.
💵 Free
- 11View alternative →
Alcatraz AI
$100MAI facial authentication that replaces the access badge with your face
Why it's similar: Shares categories with Alice & Bob — AI Infrastructure.
💵 Hardware + subscription (contact sales)
- 12View alternative →
Ricursive Intelligence
$300MFrontier research lab building a full-stack AI platform for semiconductor design, founded by
Why it's similar: Shares categories with Alice & Bob — AI Infrastructure.
💵 Free
- 13View alternative →
Ayar Labs
$155MOptical I/O chiplets that replace electrical interfaces with light to move data in and out of
Why it's similar: Shares categories with Alice & Bob — AI Infrastructure.
💵 Free
- 14View alternative →
Fractile
$235MUK-based semiconductor startup building in-memory compute chips that radically accelerate
Why it's similar: Shares categories with Alice & Bob — AI Infrastructure.
💵 Free
- 15View alternative →
Nota AI
$70MAutomatic AI model optimization for any device
Why it's similar: Shares categories with Alice & Bob — AI Infrastructure.
💵 Custom
- 16View alternative →
Tigris Data
$31.7MGlobally distributed, S3-compatible object storage built for AI
Why it's similar: Shares categories with Alice & Bob — AI Infrastructure.
💵 Free
- 17View alternative →
SiliconFlow
$294MOne platform for all your AI inference, with 200+ models via one API
Why it's similar: Shares categories with Alice & Bob — AI Infrastructure.
💵 Free trial
- 18View alternative →
Hugging Face
$970MThe AI community building the future of machine learning.
Why it's similar: Shares categories with Alice & Bob — AI Infrastructure.
💵 Free · From $9/mo
- 19View alternative →
Rebellions
$850MRebellions provides high-performance AI inference infrastructure, enabling efficient and scalable AI deployment for real-world applications.
Why it's similar: Shares categories with Alice & Bob — AI Infrastructure.
💵 Enterprise · Contact sales
- 20View alternative →
Lila Sciences
$550MBuilding scientific superintelligence and autonomous AI labs for life, chemical and materials sciences.
Why it's similar: Shares categories with Alice & Bob — AI Infrastructure.
💵 Pricing not listed
Frequently asked questions
What are the best alternatives to Alice & Bob?
The top-ranked alternatives to Alice & Bob on NeuronFeed are Quantinuum, Lightmatter, Quobly, Quantum Machines, Nebius. Rankings are based on our Neuron score, which weighs funding, momentum and editorial signal.
Is there a free alternative to Alice & Bob?
Yes — d-Matrix, Chainguard, Zilliz offer a free plans. See the pricing column for each alternative above.
How is this list ranked?
We rank alternatives by shared categories with Alice & Bob, then by our proprietary Neuron score (0–100) which combines funding, team quality, momentum, and editorial input. The list refreshes every 30 days.
Alice & Bob vs Quantinuum — which is better?
It depends on use case. Quantinuum (World's largest integrated quantum computing company) is the #1-ranked alternative. See the full side-by-side at /compare/alice-and-bob-vs-quantinuum.
Explore more around Alice & Bob
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