Source: https://seerepo.com/compare/LibreChat-AI/LibreChat/vs/pastelsky/bundlephobia
Markdown source: https://seerepo.com/compare/LibreChat-AI/LibreChat/vs/pastelsky/bundlephobia.md
Description: LibreChat and bundlephobia share 10 technologies: Vite, React, MCP, Firebase, Tailwind CSS, dompurify, Zod, winston, prom-client, and Lucide. Both are written in TypeScript.

# LibreChat vs bundlephobia

LibreChat and bundlephobia share 10 technologies: Vite, React, MCP, Firebase, Tailwind CSS, dompurify, Zod, winston, prom-client, and Lucide. Both are written in TypeScript.

- [LibreChat-AI/LibreChat](https://seerepo.com/r/LibreChat-AI/LibreChat): Enhanced ChatGPT Clone: Features Agents, MCP, Skills, DeepSeek, Anthropic, AWS, OpenAI, Responses API, Azure, Groq, o1, GPT-5, Mistral, OpenRouter, Vertex AI, Gemini, Artifacts, AI model switching, message search, Code Interpreter, langchain, DALL-E-3, OpenAPI Actions, Functions, Secure Multi-User Auth, Presets, open-source for self-hosting. Active
- [pastelsky/bundlephobia](https://seerepo.com/r/pastelsky/bundlephobia): 🏋️ Find out the cost of adding a new frontend dependency to your project

## What they share and what sets them apart

- In common: Vite, React, MCP, Firebase, Tailwind CSS, dompurify, Zod, winston, prom-client, Lucide
- Only in LibreChat: go-redis, Express, MongoDB, keyv, rate-limit-redis, @aws-sdk/s3-request-presigner, @azure/storage-blob, @opentelemetry/instrumentation-ioredis, connect-redis, keyv-file, Redis, Socket, meilisearch, Postgres, bcryptjs, Prometheus, Swagger, jsonwebtoken, @simplewebauthn/server, @aws-sdk/credential-providers, @azure/identity, express-session, helmet, jwks-rsa, memorystore, @librechat/agents, @aws-sdk/client-bedrock-runtime, langchain, ai-tokenizer, js-yaml, sharp, xlsx, mammoth, pdfjs-dist, sanitize-html, zod-openapi, zod-to-json-schema, opentelemetry, mdast-util-from-markdown, mdast-util-gfm, micromark-extension-gfm, Ariakit, Radix UI, Framer, react-dnd, mdast-util-directive, mdast-util-math, micromark-extension-directive, micromark-extension-math, class-variance-authority, tailwind-merge, tailwindcss-animate, TanStack, @dicebear/core, @react-spring/web, input-otp, morphicons, rc-input-number, react-resizable-panels, react-textarea-autosize, DiceBear, micromark-extension-llm-math, micromark-util-decode-string, winston-daily-rotate-file
- Only in bundlephobia: Next.js, Fastify, Koa, lru-cache, GitHub, react-router-dom, classnames, Base UI, Anime.js, Contentful, d3-path, d3-scale, downshift, fabric, react-dropzone, natural, remark, strip-markdown, validate-npm-package-name, @tremor/react

## Side by side

| | LibreChat | bundlephobia |
|---|---|---|
| Size | 2,270,376 lines written, 3,991 code files | 50,445 lines written, 253 code files |
| Who writes it | 1.4% of its commits signed by AI. With Claude Code, GitHub Copilot, and Cursor | 27.6% of its commits signed by AI. With Codex and Claude Code |
| Activity | Last push November 13, 2026, 6,721 commits, 47,082 stars | Last push November 14, 2026, 855 commits, 9,623 stars |
| Tests | 3,358 test files. 62.8% of its code files have a test that imports them | 69 test files. 32% of its code files have a test that imports them |

- Size: Lines written by people and agents, without generated ones; code files, without tests.
- Who writes it: A commit counts as AI's when it carries its signature: a Co-Authored-By line, its author name or the merge of its branch.
- Activity: From GitHub and its history, on the day SeeRepo read it.
- Tests: The files that test the code, and the share of code files a test imports.

## Frequently asked questions

### Which is bigger, LibreChat or bundlephobia?

LibreChat, with 2,270,376 lines written; bundlephobia has 50,445.

The proof: [LibreChat-AI/LibreChat's code at commit 2e6b23c](https://github.com/LibreChat-AI/LibreChat/tree/2e6b23cb08b99b2b682ad83d92148c64e40e53f7)

### Which has more GitHub stars, LibreChat or bundlephobia?

LibreChat, with 47,082 stars; bundlephobia has 9,623.

The proof: [LibreChat-AI/LibreChat on GitHub](https://github.com/LibreChat-AI/LibreChat)

### Which has more tests, LibreChat or bundlephobia?

LibreChat, with 3,358 test files; bundlephobia has 69.

The proof: [LibreChat-AI/LibreChat's code at commit 2e6b23c](https://github.com/LibreChat-AI/LibreChat/tree/2e6b23cb08b99b2b682ad83d92148c64e40e53f7)

### Which was updated more recently, LibreChat or bundlephobia?

bundlephobia: its last push was on November 14, 2026, and LibreChat's on November 13, 2026.

The proof: [pastelsky/bundlephobia's commits on GitHub](https://github.com/pastelsky/bundlephobia/commits)

### Which has more commits signed by AI, LibreChat or bundlephobia?

bundlephobia: an AI signed 27.6% of its commits, with Codex and Claude Code; in LibreChat, 1.4%.

The proof: [the commits each tool signed in pastelsky/bundlephobia](https://seerepo.com/r/pastelsky/bundlephobia/ai)

## Sources

- LibreChat-AI/LibreChat: Read on November 13, 2026, at commit 2e6b23c (https://github.com/LibreChat-AI/LibreChat/tree/2e6b23cb08b99b2b682ad83d92148c64e40e53f7)
- pastelsky/bundlephobia: Read on November 14, 2026, at commit 2a7d5b6 (https://github.com/pastelsky/bundlephobia/tree/2a7d5b6d69e8036509c5a507a1ee39f147230233)

## What is your repo built with?

Any public repo, with no account: https://seerepo.com/r/owner/repo/built, with the owner and name it has on GitHub.