--- title: "chroma vs redis" type: "comparison" canonical_url: "https://www.graphcanon.com/compare/chroma-core-chroma-vs-redis-redis" tools: ["chroma-core-chroma", "redis-redis"] --- # chroma vs redis *GraphCanon updated Jul 11, 2026* ## Verdict Pick chroma if chroma is an open-source data infrastructure for AI designed to support vector, hybrid, and full-text search capabilities with high performance; pick redis if redis is an in-memory database designed as a versatile cache and data structure store with advanced features such as JSON operations and vector searches, making it suitable for real-time applications. [chroma](https://www.trychroma.com/) reports 29k GitHub stars, 2.4k forks, and 728 open issues, last pushed Jul 10, 2026. [redis](http://redis.io) has 75k stars, 25k forks, and 2.9k open issues, last pushed Jul 10, 2026. Figures are from public GitHub metadata via [chroma's repository](https://github.com/chroma-core/chroma) and [redis's repository](https://github.com/redis/redis). | | [chroma](/tools/chroma-core-chroma.md) | [redis](/tools/redis-redis.md) | | --- | --- | --- | | Tagline | Search infrastructure for AI | Redis is a preferred cache, data structure server, and document & vector query engine for real-time applications. | | Stars | 28,763 | 75,394 | | Forks | 2,377 | 24,718 | | Open issues | 728 | 2,867 | | Language | Rust | C | | Adopt for | Chroma is an open-source data infrastructure for AI designed to support vector, hybrid, and full-text search capabilities with high performance. | Redis is an in-memory database designed as a versatile cache and data structure store with advanced features such as JSON operations and vector searches, making it suitable for real-time applications. | | Persona | - | - | | Runtime | - | - | | License | Chroma is released under the Apache 2.0 license. | Other | | Categories | Vector Databases, Data & Retrieval | Data & Retrieval, Vector Databases | ## Trust and health _Sourced signals - not a safety guarantee. No winner column._ | | [chroma](/tools/chroma-core-chroma.md) | [redis](/tools/redis-redis.md) | | --- | --- | --- | | Open issues (now) | 728 | 2.9k | | Security scan | 8 low (8 low) | No lockfile | | Full report | [trust report](/tools/chroma-core-chroma/trust.md) | [trust report](/tools/redis-redis/trust.md) | ## Decision facts: chroma - **Pricing:** freemium - The open-source version is free to use and modify; the hosted service (Chroma Cloud) has a freemium model offering $5 of initial credits. - **Requirements:** Min 1 GB RAM - **Adopt for:** Chroma is an open-source data infrastructure for AI designed to support vector, hybrid, and full-text search capabilities with high performance. - **License detail:** Chroma is released under the Apache 2.0 license. ## Decision facts: redis - **Adopt for:** Redis is an in-memory database designed as a versatile cache and data structure store with advanced features such as JSON operations and vector searches, making it suitable for real-time applications. ## Choose when ### Choose chroma if… - chroma is primarily Rust; redis is C. - License: chroma is Apache-2.0, redis is Other. - Pricing: The open-source version is free to use and modify; the hosted service (Chroma Cloud) has a freemium model offering $5 of initial credits.. - Requirements: Min 1 GB RAM. - Tags unique to chroma: full-text-search, agents, rust, rust-lang. - - When you require a high-performance data infrastructure that can handle complex query needs for AI applications. - If your project necessitates fast, cost-effective, and scalable serverless services ### Choose redis if… - redis is primarily C; chroma is Rust. - License: redis is Other, chroma is Apache-2.0. - Tags unique to redis: cache, json, nosql, in-memory. - You need high-speed access to frequently used data due to Redis's in-memory nature. ## When NOT to use chroma - - In scenarios where a more mature or enterprise-grade solution is required, as Chroma might be rapidly evolving and not yet fully stabilized. - - If your project requires extensive customization at the lower levels that the relatively new tool might not support comprehensively yet - - When the specific need for an AI application does not benefit from vector, hybrid, or full-text search capabilities that Chroma excels in. ## When NOT to use redis - Your project has limited memory resources since Redis relies on in-memory storage, which could lead to high costs or operational challenges with large datasets. - You prioritize persistence over speed; while Redis offers persistence options, its primary design is for real-time access and not robust disk-based backup solutions like traditional SQL databases. - Your application workload does not benefit from the fast read/write capabilities and rich data structure support offered by Redis, possibly implying that a less specialized database would suffice. ## Common questions ### What is the difference between chroma and redis? chroma: Search infrastructure for AI. redis: Redis is a preferred cache, data structure server, and document & vector query engine for real-time applications.. See the comparison table for live GitHub stats and shared categories. ### When should I choose chroma over redis? Choose chroma over redis when chroma is primarily Rust; redis is C; License: chroma is Apache-2.0, redis is Other; Pricing: The open-source version is free to use and modify; the hosted service (Chroma Cloud) has a freemium model offering $5 of initial credits.; Requirements: Min 1 GB RAM; Tags unique to chroma: full-text-search, agents, rust, rust-lang; - When you require a high-performance data infrastructure that can handle complex query needs for AI applications. - If your project necessitates fast, cost-effective, and scalable serverless services. ### When should I choose redis over chroma? Choose redis over chroma when redis is primarily C; chroma is Rust; License: redis is Other, chroma is Apache-2.0; Tags unique to redis: cache, json, nosql, in-memory; You need high-speed access to frequently used data due to Redis's in-memory nature. ### When should I avoid chroma? - In scenarios where a more mature or enterprise-grade solution is required, as Chroma might be rapidly evolving and not yet fully stabilized. - If your project requires extensive customization at the lower levels that the relatively new tool might not support comprehensively yet - When the specific need for an AI application does not benefit from vector, hybrid, or full-text search capabilities that Chroma excels in. ### When should I avoid redis? Your project has limited memory resources since Redis relies on in-memory storage, which could lead to high costs or operational challenges with large datasets. You prioritize persistence over speed; while Redis offers persistence options, its primary design is for real-time access and not robust disk-based backup solutions like traditional SQL databases. Your application workload does not benefit from the fast read/write capabilities and rich data structure support offered by Redis, possibly implying that a less specialized database would suffice. ### Is chroma or redis more popular on GitHub? redis has more GitHub stars (75,394 vs 28,763). Stars measure visibility, not whether either tool fits your constraints. ### Are chroma and redis open source? Yes - both are open-source projects on GitHub (chroma: Apache-2.0, redis: Other). ### Where can I find alternatives to chroma or redis? GraphCanon lists graph-backed alternatives at [chroma alternatives](/tools/chroma-core-chroma/alternatives) and [redis alternatives](/tools/redis-redis/alternatives) ([chroma markdown twin](/tools/chroma-core-chroma/alternatives.md), [redis markdown twin](/tools/redis-redis/alternatives.md)), ranked by typed relationship edges rather than popularity votes. ### Is there a machine-readable version of this comparison? Yes. The markdown twin at [this comparison](/compare/chroma-core-chroma-vs-redis-redis.md) mirrors this page for agents and LLM crawlers, with the same stats table and FAQ answers. ### Which is better maintained, chroma or redis? chroma: Very active. redis: Very active. Compare maintenance labels, days since push, and release cadence in the trust section below - stars alone do not measure maintenance. ### Where are the full trust reports for chroma and redis? GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: [chroma trust report](/tools/chroma-core-chroma/trust); [redis trust report](/tools/redis-redis/trust). --- **Machine-readable endpoints** - JSON: [`/api/graphcanon/graph?tool=chroma-core-chroma`](/api/graphcanon/graph?tool=chroma-core-chroma) - LLM index: [/llms.txt](/llms.txt) - Full corpus: [/llms-full.txt](/llms-full.txt) _GraphCanon - The knowledge graph for AI development. https://www.graphcanon.com/_