Head-to-Head Comparison
Cognee vs Evermind.ai
Compare features, pricing, integrations, and community reviews
Cognee
AI ToolsCognee is an open-source AI memory engine and knowledge graph layer that structures, connects, and retrieves information for AI agents. Cognee is an open-source AI memory engine and knowledge graph layer that structures, connects, and retrieves information with precision by building knowledge graphs from unstructured data, allowing agents to reason over relationships.
Evermind.ai
AI ToolsEvermind.ai provides EverOS, a self-evolving memory operating system for AI agents, enabling long-term personalization and multimodal ingestion. Evermind.ai delivers deep long-term personalization, temporal consistency, and a self-organizing memory system without the operational overhead of maintaining separate graph databases.
Pricing
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Cognee
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Evermind.ai
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At a Glance
Cognee
Pricing
freemium
Key Features
Open-source AI memory engine with a knowledge graph layer. · Secured €7.5 million in seed funding in February 2026. · Cognee v1.0 released June 26, 2026, featuring a memory API with `remember`, `recall`, `forget`, and `improve` functions.
Evermind.ai
Pricing
paid
Key Features
EverMemOS, the core product, was officially released in December 2025. · The Memory Sparse Attention (MSA) architecture, introduced in March 2026, enables memory capacity up to 100 million tokens with less than 9% performance degradation. · EverMemOS achieved a 93.05% accuracy on the LoCoMo benchmark and state-of-the-art results on LongMemEval.
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