20+ Best Alternatives to Celestial AI in 2026
Photonic Fabric optical interconnect for AI infrastructure
Looking for an alternative to Celestial AI? 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 →
Upscale AI
$300MPure-play AI networking infrastructure
Why it's similar: Shares categories with Celestial AI — AI Infrastructure.
💵 Enterprise · Contact sales
- 2View alternative →
Dash0
$155MAI-native observability platform built on OpenTelemetry
Why it's similar: Shares categories with Celestial AI — AI Infrastructure.
💵 Free
- 3View alternative →
Noma Security
$132MEnd-to-end security for agentic AI
Why it's similar: Shares categories with Celestial AI — AI Infrastructure.
💵 Pricing not listed
- 4View alternative →
VAST Data
$2.4BUnifying software layer for AI infrastructure
Why it's similar: Shares categories with Celestial AI — AI Infrastructure.
💵 Enterprise · Contact sales
- 5View alternative →
Quantinuum
$2.6BWorld's largest integrated quantum computing company
Why it's similar: Shares categories with Celestial AI — AI Infrastructure.
💵 Enterprise · Contact sales
- 6View alternative →
VoltaGrid
$775MVoltaGrid provides hybrid power solutions that reduce emissions, optimize energy loads, and lower costs for industrial applications and data centers.
Why it's similar: Shares categories with Celestial AI — AI Infrastructure.
💵 Enterprise · Contact sales
- 7View alternative →
DataRobot
$1.1BThe only unified agent workforce platform built for enterprise outcomes, not endless pilots.
Why it's similar: Shares categories with Celestial AI — AI Infrastructure.
💵 Enterprise · Contact sales
- 8View alternative →
Vespa.ai
$31MBig-data serving engine for vector and lexical search
Why it's similar: Shares categories with Celestial AI — AI Infrastructure.
💵 Free
- 9View alternative →
Nebius
$700MFull-stack AI cloud with large-scale GPU clusters for training and inference
Why it's similar: Shares categories with Celestial AI — AI Infrastructure.
💵 Free trial
- 10View 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 Celestial AI — AI Infrastructure.
💵 Free
- 11View alternative →
Quantum Machines
$280MThe control layer powering the world's quantum computers
Why it's similar: Shares categories with Celestial AI — AI Infrastructure.
💵 Enterprise · Contact sales
- 12View alternative →
OpenRouter
$153MA unified API gateway to 400+ LLMs across 60+ providers
Why it's similar: Shares categories with Celestial AI — AI Infrastructure.
💵 Free trial
- 13View alternative →
Mythic
$260MAnalog compute-in-memory chips for power-efficient edge AI
Why it's similar: Shares categories with Celestial AI — AI Infrastructure.
💵 Custom
- 14View alternative →
Chainguard
$256MSecure, minimal container images for software and AI supply chains
Why it's similar: Shares categories with Celestial AI — AI Infrastructure.
💵 Free
- 15View alternative →
Zilliz
$113MFully managed vector database for AI, built by the creators of Milvus
Why it's similar: Shares categories with Celestial AI — AI Infrastructure.
💵 Free
- 16View alternative →
Alcatraz AI
$100MAI facial authentication that replaces the access badge with your face
Why it's similar: Shares categories with Celestial AI — AI Infrastructure.
💵 Hardware + subscription (contact sales)
- 17View alternative →
Ndea
$43MFrontier AI lab building AGI through deep learning-guided program synthesis.
Why it's similar: Shares categories with Celestial AI — AI Infrastructure.
💵 Contact-sales
- 18View alternative →
Neysa
$650MIndia-based AI cloud platform offering GPU-as-a-service for training, fine-tuning, and
Why it's similar: Shares categories with Celestial AI — AI Infrastructure.
💵 Free
- 19View alternative →
Unconventional AI
$475MReinventing the computer with brain-inspired, energy-efficient AI hardware
Why it's similar: Shares categories with Celestial AI — AI Infrastructure.
💵 Free
- 20View alternative →
Ricursive Intelligence
$300MFrontier research lab building a full-stack AI platform for semiconductor design, founded by
Why it's similar: Shares categories with Celestial AI — AI Infrastructure.
💵 Free
Frequently asked questions
What are the best alternatives to Celestial AI?
The top-ranked alternatives to Celestial AI on NeuronFeed are Upscale AI, Dash0, Noma Security, VAST Data, Quantinuum. Rankings are based on our Neuron score, which weighs funding, momentum and editorial signal.
Is there a free alternative to Celestial AI?
Yes — Dash0, Vespa.ai, d-Matrix offer a free plans. See the pricing column for each alternative above.
How is this list ranked?
We rank alternatives by shared categories with Celestial AI, then by our proprietary Neuron score (0–100) which combines funding, team quality, momentum, and editorial input. The list refreshes every 30 days.
Celestial AI vs Upscale AI — which is better?
It depends on use case. Upscale AI (Pure-play AI networking infrastructure) is the #1-ranked alternative. See the full side-by-side at /compare/celestial-ai-vs-upscale-ai.
Explore more around Celestial AI
Contextual paths to related AI startups, deals and rankings.