Duality Query vs Microsoft SEAL: Side-by-Side Comparison (2026)

Duality Query: Privacy-preserving query platform using FHE to query encrypted, siloed datasets. built by Duality Technologies. Core capabilities include Quantum-secure confidential queries over encrypted structured and unstructured datasets, Zero Footprint querying — data never moves or is replicated, Fully Homomorphic Encryption (FHE) powered computation on encrypted data..

Microsoft SEAL: Microsoft SEAL is an open-source homomorphic encryption library that enables arithmetic computations on encrypted data without decryption, supporting privacy-preserving applications across multiple platforms..

Both serve the Confidential Computing market but differ in approach, feature depth, and target audience.

Duality Query is developed by Duality Technologies. Microsoft SEAL is open-source with 3,862 GitHub stars. Vendor maturity, funding stage, and team size can be important factors when evaluating long-term viability and support quality.

Duality Query and Microsoft SEAL serve similar Confidential Computing use cases: both are Confidential Computing tools, both cover Encryption. Key differences: Duality Query is Commercial while Microsoft SEAL is Free, Microsoft SEAL is open-source. Review the feature comparison above to determine which fits your requirements.