--- title: "rag_api vs tidb" type: "comparison" canonical_url: "https://www.graphcanon.com/compare/danny-avila-rag-api-vs-pingcap-tidb" tools: ["danny-avila-rag-api", "pingcap-tidb"] --- # rag_api vs tidb *GraphCanon updated Jul 11, 2026* ## Verdict Pick rag_api if key Insights for Using rag_api as an ID-based RAG FastAPI Tool with Langchain and PostgreSQL/pgvector Integration; pick tidb if tiDB is a scalable, cloud-native database that supports both transactional and analytical processing with ACID guarantees. [rag_api](https://librechat.ai/) reports 863 GitHub stars, 376 forks, and 44 open issues, last pushed Jun 18, 2026. [tidb](https://www.tidb.io/) has 40k stars, 6.2k forks, and 6.5k open issues, last pushed Jul 10, 2026. Figures are from public GitHub metadata via [rag_api's repository](https://github.com/danny-avila/rag_api) and [tidb's repository](https://github.com/pingcap/tidb). | | [rag_api](/tools/danny-avila-rag-api.md) | [tidb](/tools/pingcap-tidb.md) | | --- | --- | --- | | Tagline | ID-based RAG FastAPI: Integration with Langchain and PostgreSQL/pgvector | Scalable, cloud-native database with ACID transactions and vector search support. | | Stars | 863 | 40,273 | | Forks | 376 | 6,226 | | Open issues | 44 | 6,475 | | Language | Python | Go | | Adopt for | Key Insights for Using rag_api as an ID-based RAG FastAPI Tool with Langchain and PostgreSQL/pgvector Integration | TiDB is a scalable, cloud-native database that supports both transactional and analytical processing with ACID guarantees. | | Persona | - | - | | Runtime | - | - | | License | MIT | Apache-2.0 | | Categories | Data & Retrieval, Vector Databases | Data & Retrieval, Vector Databases | ## Trust and health _Sourced signals - not a safety guarantee. No winner column._ | | [rag_api](/tools/danny-avila-rag-api.md) | [tidb](/tools/pingcap-tidb.md) | | --- | --- | --- | | Maintenance | Active (82%) | Very active (96%) | | Days since push | 22d | 0d | | Open issues (now) | 44 | 6.5k | | Owner type | User | Organization | | Security scan | No lockfile | 8 low (8 low) | | Full report | [trust report](/tools/danny-avila-rag-api/trust.md) | [trust report](/tools/pingcap-tidb/trust.md) | ## Decision facts: rag_api - **Adopt for:** Key Insights for Using rag_api as an ID-based RAG FastAPI Tool with Langchain and PostgreSQL/pgvector Integration ## Decision facts: tidb - **Adopt for:** TiDB is a scalable, cloud-native database that supports both transactional and analytical processing with ACID guarantees. ## Choose when ### Choose rag_api if… - rag_api is primarily Python; tidb is Go. - License: rag_api is MIT, tidb is Apache-2.0. - Tags unique to rag_api: api, api-rest, embeddings, fastapi. - When you need rapid integration of REST API services for Retrieval-Augmented Generation (RAG) with robust vector storage. ### Choose tidb if… - tidb is primarily Go; rag_api is Python. - License: tidb is Apache-2.0, rag_api is MIT. - Tags unique to tidb: agent, agent-context, agent-memory, agentic. - When your workload requires high scalability and you need both transactional and analytical operations (HTAP) without performance degradation. TiDB's distributed architecture ensures consistent low延迟的 ## When NOT to use rag_api - Avoid using if your project cannot leverage PostgreSQL/pgvector due to license or compatibility constraints. - Not recommended for scenarios where high-level orchestration of multiple APIs and services is necessary without a direct need for FastAPI's simplicity. ## When NOT to use tidb - If your primary focus is on a traditional relational database with limited transactional and minimal analytics needs, TiDB's complexity and overhead may not be justified. - 如果你的主要重点是传统的具有有限事务处理和少量分析需求的关系型数据库，TiDB的复杂性和开销可能是不必要的。 - If you require strong geographic data distribution requirements that exceed the capabilities of a single database system, consider whether TiDB’s distributed setup meets your specific geographical and ## Common questions ### What is the difference between rag_api and tidb? rag_api: ID-based RAG FastAPI: Integration with Langchain and PostgreSQL/pgvector. tidb: Scalable, cloud-native database with ACID transactions and vector search support.. See the comparison table for live GitHub stats and shared categories. ### When should I choose rag_api over tidb? Choose rag_api over tidb when rag_api is primarily Python; tidb is Go; License: rag_api is MIT, tidb is Apache-2.0; Tags unique to rag_api: api, api-rest, embeddings, fastapi; When you need rapid integration of REST API services for Retrieval-Augmented Generation (RAG) with robust vector storage. ### When should I choose tidb over rag_api? Choose tidb over rag_api when tidb is primarily Go; rag_api is Python; License: tidb is Apache-2.0, rag_api is MIT; Tags unique to tidb: agent, agent-context, agent-memory, agentic; When your workload requires high scalability and you need both transactional and analytical operations (HTAP) without performance degradation. TiDB's distributed architecture ensures consistent low延迟的. ### When should I avoid rag_api? Avoid using if your project cannot leverage PostgreSQL/pgvector due to license or compatibility constraints. Not recommended for scenarios where high-level orchestration of multiple APIs and services is necessary without a direct need for FastAPI's simplicity. ### When should I avoid tidb? If your primary focus is on a traditional relational database with limited transactional and minimal analytics needs, TiDB's complexity and overhead may not be justified. 如果你的主要重点是传统的具有有限事务处理和少量分析需求的关系型数据库，TiDB的复杂性和开销可能是不必要的。 If you require strong geographic data distribution requirements that exceed the capabilities of a single database system, consider whether TiDB’s distributed setup meets your specific geographical and ### Is rag_api or tidb more popular on GitHub? tidb has more GitHub stars (40,273 vs 863). Stars measure visibility, not whether either tool fits your constraints. ### Are rag_api and tidb open source? Yes - both are open-source projects on GitHub (rag_api: MIT, tidb: Apache-2.0). ### Where can I find alternatives to rag_api or tidb? GraphCanon lists graph-backed alternatives at [rag_api alternatives](/tools/danny-avila-rag-api/alternatives) and [tidb alternatives](/tools/pingcap-tidb/alternatives) ([rag_api markdown twin](/tools/danny-avila-rag-api/alternatives.md), [tidb markdown twin](/tools/pingcap-tidb/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/danny-avila-rag-api-vs-pingcap-tidb.md) mirrors this page for agents and LLM crawlers, with the same stats table and FAQ answers. ### Which is better maintained, rag_api or tidb? rag_api: Active. tidb: 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 rag_api and tidb? GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: [rag_api trust report](/tools/danny-avila-rag-api/trust); [tidb trust report](/tools/pingcap-tidb/trust). --- **Machine-readable endpoints** - JSON: [`/api/graphcanon/graph?tool=danny-avila-rag-api`](/api/graphcanon/graph?tool=danny-avila-rag-api) - 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/_