Spanda
Sub-microsecond LLM epistemic uncertainty in Rust
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What is Spanda?
Spanda is Sub-microsecond LLM epistemic uncertainty in Rust It's designed for researchers working on hallucination detection.
About Spanda
Key Strengths
- Rust, sub-microsecond epistemic uncertainty and hallucination detection for LLMs
- Claims 90,000x faster than Semantic Entropy
- Research paper on Zenodo
Limitations to Consider
- Speedup is the authors’ claim
- ~33 stars, research code
- License marked unspecified
Best For
Researchers working on hallucination detection.
Skip it if: You need a production service.
Pricing
flexible pricing options
Free open-source code (checked Oct 14, 2026)
Sources
Pros, cons and pricing compiled from public sources (official pricing/docs pages, published reviews, user reports), not hands-on testing.
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What is Spanda?
Spanda is Sub-microsecond LLM epistemic uncertainty in Rust It's designed for researchers working on hallucination detection.
How much does Spanda cost?
Spanda offers flexible pricing options You can check pricing on their official website.
Who should use Spanda?
Spanda is best suited to researchers working on hallucination detection.