20+ Best Alternatives to Cal AI in 2026
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Looking for an alternative to Cal 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 →
Cleerly
$629MFDA-cleared AI imaging platform that analyzes coronary CT scans to detect and characterize heart disease earlier.
Why it's similar: Shares categories with Cal AI — AI Image Generation, AI Healthcare.
💵 Pricing not listed
- 2View alternative →
Oura
$1.5BThe smart ring that turns sleep, stress, and heart data into AI health guidance
Why it's similar: Shares categories with Cal AI — AI Healthcare.
💵 Free trial · From $6/mo
- 3View alternative →
Generate:Biomedicines
$700MGenerative AI for programmable protein therapeutics
Why it's similar: Shares categories with Cal AI — AI Healthcare.
💵 Custom
- 4View alternative →
Aidoc
$500MClinical AI foundation model for medical imaging and triage
Why it's similar: Shares categories with Cal AI — AI Healthcare.
💵 Custom
- 5View alternative →
Tractable
$185MComputer-vision AI for insurance damage appraisal
Why it's similar: Shares categories with Cal AI — AI Image Generation.
💵 Custom
- 6View alternative →
Proscia
$130MAI-powered digital pathology for precision medicine
Why it's similar: Shares categories with Cal AI — AI Healthcare.
💵 Custom
- 7View alternative →
Freeletics
$70MAI fitness coach with 60 million users and 4 trillion workout combinations
Why it's similar: Shares categories with Cal AI — AI Healthcare.
💵 Free
- 8View alternative →
Atropos Health
$53.8MOn-demand real-world evidence for clinical decisions
Why it's similar: Shares categories with Cal AI — AI Healthcare.
💵 Custom
- 9View alternative →
Latent
$80MClinical AI that automates prior authorization and medication access
Why it's similar: Shares categories with Cal AI — AI Healthcare.
💵 Custom
- 10View alternative →
Clarium
$43MAI-powered supply chain for healthcare
Why it's similar: Shares categories with Cal AI — AI Healthcare.
💵 Custom
- 11View alternative →
Translucent
$34MAgentic AI financial operating system for health systems
Why it's similar: Shares categories with Cal AI — AI Healthcare.
💵 Enterprise subscription (contact sales)
- 12View alternative →
Prosper AI
$30MVoice AI agents for healthcare patient access and prior auth
Why it's similar: Shares categories with Cal AI — AI Healthcare.
💵 Usage/subscription (contact sales)
- 13View alternative →
Lila Sciences
$550MBuilding scientific superintelligence and autonomous AI labs for life, chemical and materials sciences.
Why it's similar: Shares categories with Cal AI — AI Healthcare.
💵 Pricing not listed
- 14View alternative →
Delfina
$22.3MAI-powered pregnancy care to reduce maternal risk
Why it's similar: Shares categories with Cal AI — AI Healthcare.
💵 Custom
- 15View alternative →
January AI
$21MPredict your glucose response to any meal with AI — no wearable required
Why it's similar: Shares categories with Cal AI — AI Healthcare.
💵 Free
- 16View alternative →
Runna
$12.5MPersonalized AI-powered running training plans and coaching, now part of Strava
Why it's similar: Shares categories with Cal AI — AI Healthcare.
💵 Free trial · From $19/mo
- 17View alternative →
CodaMetrix
$95MAI-powered autonomous medical coding for healthcare revenue cycle
Why it's similar: Shares categories with Cal AI — AI Healthcare.
💵 Enterprise · Contact sales
- 18View alternative →
Accipiter Biosciences
$12.7MAI-designed de novo protein therapies for complex diseases
Why it's similar: Shares categories with Cal AI — AI Healthcare.
💵 Custom
- 19View alternative →
Confido Health
$13M24/7 healthcare voice AI agents that answer patient calls and update the EHR
Why it's similar: Shares categories with Cal AI — AI Healthcare.
💵 Enterprise · Contact sales
- 20View alternative →
Fitbod
$5.3MMachine-learning workout planner with 15M+ downloads that adapts to your recovery
Why it's similar: Shares categories with Cal AI — AI Healthcare.
💵 Free trial
Frequently asked questions
What are the best alternatives to Cal AI?
The top-ranked alternatives to Cal AI on NeuronFeed are Cleerly, Oura, Generate:Biomedicines, Aidoc, Tractable. Rankings are based on our Neuron score, which weighs funding, momentum and editorial signal.
Is there a free alternative to Cal AI?
Yes — Freeletics, January 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 Cal AI, then by our proprietary Neuron score (0–100) which combines funding, team quality, momentum, and editorial input. The list refreshes every 30 days.
Cal AI vs Cleerly — which is better?
It depends on use case. Cleerly (FDA-cleared AI imaging platform that analyzes coronary CT scans to detect and characterize heart disease earlier.) is the #1-ranked alternative. See the full side-by-side at /compare/cal-ai-vs-cleerly.
Explore more around Cal AI
Contextual paths to related AI startups, deals and rankings.