Flare
Dynamic Tensor Graph library in Clojure for deep learning
Pricing
Free tier
Flat rate
Adoption
↘CoolingLicense
Open Source
Data freshness
Aging · Jun 8, 2026Overview
What is Flare?
Flare is a dynamic tensor graph library written in Clojure, offering flexibility and power similar to PyTorch or DynNet. It's ideal for developers looking to leverage the functional programming benefits of Clojure while working on deep learning projects.
Key differentiator
“Flare stands out as the only deep learning framework that integrates seamlessly with Clojure, offering developers the unique ability to leverage functional programming principles in their AI projects.”
Capability profile
Capability Radar
Honest assessment
Strengths & Weaknesses
↑ Strengths
↓ Weaknesses
Flare is primarily written in Clojure, which has a smaller community compared to Python or other mainstream languages used for deep learning.
Setting up Flare requires familiarity with the Leiningen build tool and managing dependencies within the Clojure ecosystem, which can be challenging for developers new to Clojure.
The smaller user base of Flare means fewer community contributions, tutorials, and third-party libraries compared to more popular frameworks like PyTorch or TensorFlow.
Clojure is a dynamically typed language which can introduce performance penalties in comparison to statically-typed alternatives commonly used for deep learning tasks.
Fit analysis
Who is it for?
✓ Best for
Developers who prefer the functional programming paradigm in their deep learning projects
Teams working on research and prototyping with a preference for Clojure
Projects that require dynamic tensor graph construction capabilities
✕ Not a fit for
Teams requiring real-time streaming or high-frequency data processing (Flare's focus is more on flexibility than performance optimization)
Developers looking for a wide range of pre-built models and extensive community support (as Flare is niche)
Cost structure
Pricing
Free Tier
Available
Open source — free to use
Starts at
$0
Model
Flat rate
Enterprise
None
Performance benchmarks
How Fast Is It?
Ecosystem
Relationships
Alternatives
Works well with
Next step
Get Started with Flare
Step-by-step setup guide with code examples and common gotchas.