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Enhanced ChatGPT Clone: Features Agents, MCP, 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.
https://librechat.ai/
aianthropicartifactsawsazurechatgptchatgpt-cloneclaudeclonedeepseekgeminigooglegpt-5librechatmcpo1openairesponses-apivisionwebui
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* 📎 fix: Translate Finite supportedMimeTypes Allowlists to Picker Accept Finite supportedMimeTypes allowlists were never reflected in the Upload to Provider file picker: only permissive configs (.*) cleared the accept filter (#12596); finite lists fell back to the hardcoded provider filter, so configured Office types (.docx/.xlsx) could not be selected. Add getConfiguredMimeAccept in file-config.ts, which resolves the picker accept from the configured allowlist by testing candidate MIME types against the actual RegExp patterns (robust to any regex shape). It collapses media to image/audio/video wildcards and maps document types to extension + MIME tokens. Returns undefined for the built-in default or an untranslatable config (keep provider filter) and '' for permissive configs. AttachFileMenu now uses it, folding all three cases into one check with the hardcoded filters as fallback. * 🩹 fix: Fall back when a configured type is unrepresentable Codex review: buildMimeAccept could emit a partial accept string when a finite allowlist mixed a recognized type with a supported-but-unrecognized one, hiding files the provider fallback filter would have shown (e.g. mp3 alongside pdf). Add a coverage guard that returns undefined unless every configured pattern maps to a recognized type, so unrepresentable configs keep the provider filter instead of a narrower partial. Widen the media samples to match fullMimeTypesList so common audio/video configs still translate rather than falling back. * 🎯 fix: Intersect picker accept with provider upload capability Codex review (3 findings): translating the validation allowlist wholesale let the picker expose types the specific provider upload path silently drops — PDFs/Office on the image-only path, audio/video on document providers that aren't Google/Vertex/OpenRouter, and broad regexes (e.g. application/.*) matching supported types the catalog can't represent. Rework the translation to intersect the configured allowlist with the categories the current upload path can send. getConfiguredMimeAccept now takes the permitted MimeUploadCategory set; buildMimeAccept scans the known-MIME universe, skips categories the path can't handle, and returns undefined (keep the provider filter) if a permitted-category match is unrepresentable. AttachFileMenu maps each fileType to its capability. * 🪨 fix: Scope Bedrock document accepts and infer Office MIME types Codex review (2 findings): - Bedrock's document path only sends bedrockDocumentFormats (pdf/csv/doc/ docx/xls/xlsx/html/txt/md), but the generic document capability exposed pptx/ODF/etc. that validate and upload yet are dropped from the payload. MimeUploadCapability now carries an optional documentMimeTypes allow-set; image_document_extended passes bedrockDocumentMimeTypes so the picker is scoped to Bedrock-supported formats. - Office files (.doc/.docx/.xls/.xlsx/.ppt/.pptx) had no codeTypeMapping entry, so inferMimeType returned '' when the browser reported no type, failing client validation with 'Unable to determine file type' before the configured allowlist could accept them. Add the extension mappings. * 🧩 fix: Add .htm/.yml aliases and cap Google docs to PDF Codex review (2 findings): - documentMimeExtensions now maps each MIME to multiple extensions so text/html emits both .html and .htm (matching bedrockDocumentExtensions and inferMimeType), and application/yaml emits .yaml and .yml. Without the alias, extension-based file dialogs hid selectable .htm files that validation accepts. - image_document_video_audio (Google/Vertex/OpenRouter) now scopes documentMimeTypes to application/pdf, matching the isProviderAttachType predicate and hardcoded fallback (files.ts:366-372); those paths only treat PDF as a viable document, so a config with docx/xlsx no longer advertises files the media path would drop. * 🎧 fix: Sync media samples to regexes and fall back on unknown patterns Codex review: a finite media allowlist with a subtype missing from the sample list (e.g. audio/webm) matched nothing in knownMimeUniverse, so it was silently ignored and the picker hid a valid audio upload the previous audio/* filter allowed. Two-part fix: - Media samples now mirror imageMimeTypes/audioMimeTypes/videoMimeTypes exactly, so every backend-accepted media type is in the universe and translates to its wildcard. - buildMimeAccept falls back (undefined) when any configured pattern matches nothing in the universe, so future sample/regex drift or an unrepresentable type yields the provider filter, never a partial that hides a supported file. * 📑 fix: Represent Excel aliases and epub/parquet in picker accept Codex review (2 of 3 findings): finite allowlists using backend-supported document types outside documentMimeExtensions fell back to the provider filter and hid the files. - Canonicalize the legacy Excel MIME aliases (application/msexcel, x-ms-excel, xls, etc. — matched by the excelMimeTypes regex) to .xls so an excel-pattern config translates instead of falling back. - Add application/epub+zip (.epub), the parquet variants (.parquet), and x-zip-compressed (.zip) to the representable set. (Third finding — pptx inference vs Bedrock — is a pre-existing backend validation gap; the picker already excludes pptx for Bedrock. Tracked separately.) |
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LibreChat
English · 中文
✨ Features
-
🖥️ UI & Experience inspired by ChatGPT with enhanced design and features
-
🤖 AI Model Selection:
- Anthropic (Claude), AWS Bedrock, OpenAI, Azure OpenAI, Google, Vertex AI, OpenAI Responses API (incl. Azure)
- Custom Endpoints: Use any OpenAI-compatible API with LibreChat, no proxy required
- Compatible with Local & Remote AI Providers:
- Ollama, groq, Cohere, Mistral AI, Apple MLX, koboldcpp, together.ai,
- OpenRouter, Helicone, Perplexity, ShuttleAI, Deepseek, Qwen, and more
-
- Secure, Sandboxed Execution in Python, Node.js (JS/TS), Go, C/C++, Java, PHP, Rust, and Fortran
- Seamless File Handling: Upload, process, and download files directly
- No Privacy Concerns: Fully isolated and secure execution
- Open-Source & Self-Hostable: powered by ClickHouse/code-interpreter
-
🔦 Agents & Tools Integration:
- LibreChat Agents:
- No-Code Custom Assistants: Build specialized, AI-driven helpers
- Agent Marketplace: Discover and deploy community-built agents
- Collaborative Sharing: Share agents with specific users and groups
- Flexible & Extensible: Use MCP Servers, tools, file search, code execution, and more
- Skills: Create reusable
SKILL.mdinstruction bundles for manual, automatic, or always-on agent workflows - Subagents: Delegate focused work to isolated child agent runs with their own context windows
- Compatible with Custom Endpoints, OpenAI, Azure, Anthropic, AWS Bedrock, Google, Vertex AI, Responses API, and more
- Model Context Protocol (MCP) Support for Tools
- LibreChat Agents:
-
🔍 Web Search:
- Search the internet and retrieve relevant information to enhance your AI context
- Combines search providers, content scrapers, and result rerankers for optimal results
- Customizable Jina Reranking: Configure custom Jina API URLs for reranking services
- Learn More →
-
🪄 Generative UI with Code Artifacts:
- Code Artifacts allow creation of React, HTML, and Mermaid diagrams directly in chat
-
🎨 Image Generation & Editing
- Text-to-image and image-to-image with GPT-Image-1
- Text-to-image with DALL-E (3/2), Stable Diffusion, Flux, or any MCP server
- Produce stunning visuals from prompts or refine existing images with a single instruction
-
💾 Presets & Context Management:
- Create, Save, & Share Custom Presets
- Switch between AI Endpoints and Presets mid-chat
- Edit, Resubmit, and Continue Messages with Conversation branching
- Create and share prompts with specific users and groups
- Fork Messages & Conversations for Advanced Context control
-
💬 Multimodal & File Interactions:
- Upload and analyze images with Claude 3, GPT-4.5, GPT-4o, o1, Llama-Vision, and Gemini 📸
- Chat with Files using Custom Endpoints, OpenAI, Azure, Anthropic, AWS Bedrock, & Google 🗃️
-
🌎 Multilingual UI:
- English, 中文 (简体), 中文 (繁體), العربية, Deutsch, Español, Français, Italiano
- Polski, Português (PT), Português (BR), Русский, 日本語, Svenska, 한국어, Tiếng Việt
- Türkçe, Nederlands, עברית, Català, Čeština, Dansk, Eesti, فارسی
- Suomi, Magyar, Հայերեն, Bahasa Indonesia, ქართული, Latviešu, ไทย, ئۇيغۇرچە
-
🧠 Reasoning UI:
- Dynamic Reasoning UI for Chain-of-Thought/Reasoning AI models like DeepSeek-R1
-
🎨 Customizable Interface:
- Customizable Dropdown & Interface that adapts to both power users and newcomers
-
- Never lose a response: AI responses automatically reconnect and resume if your connection drops
- Multi-Tab & Multi-Device Sync: Open the same chat in multiple tabs or pick up on another device
- Production-Ready: Works from single-server setups to horizontally scaled deployments with Redis
-
🗣️ Speech & Audio:
- Chat hands-free with Speech-to-Text and Text-to-Speech
- Automatically send and play Audio
- Supports OpenAI, Azure OpenAI, and Elevenlabs
-
📥 Import & Export Conversations:
- Import Conversations from LibreChat, ChatGPT, Chatbot UI
- Export conversations as screenshots, markdown, text, json
-
🔍 Search & Discovery:
- Search all messages/conversations
-
👥 Multi-User & Secure Access:
- Multi-User, Secure Authentication with OAuth2, LDAP, & Email Login Support
- Built-in Moderation, and Token spend tools
-
🎛️ Admin Panel:
- Browser-based UI to manage users, groups, roles, and configuration overrides
- Edit settings and per-role/group permissions live, without redeploying
- Bundled with the Docker Compose stacks for one-command setup
-
⚙️ Configuration & Deployment:
- Configure Proxy, Reverse Proxy, Docker, & many Deployment options
- Use S3 with CloudFront for stable media links, edge delivery, signed cookies, and secured downloads
- Use completely local or deploy on the cloud
-
📖 Open-Source & Community:
- Completely Open-Source & Built in Public
- Community-driven development, support, and feedback
For a thorough review of our features, see our docs here 📚
🪶 All-In-One AI Conversations with LibreChat
LibreChat is a self-hosted AI chat platform that unifies all major AI providers in a single, privacy-focused interface.
Beyond chat, LibreChat provides AI Agents, Model Context Protocol (MCP) support, Artifacts, Code Interpreter, custom actions, conversation search, and enterprise-ready multi-user authentication.
Open source, actively developed, and built for anyone who values control over their AI infrastructure.
🌐 Resources
GitHub Repo:
- RAG API: github.com/danny-avila/rag_api
- Website: github.com/LibreChat-AI/librechat.ai
Other:
- Website: librechat.ai
- Documentation: librechat.ai/docs
- Blog: librechat.ai/blog
📝 Changelog
Keep up with the latest updates by visiting the releases page and notes:
⚠️ Please consult the changelog for breaking changes before updating.
⭐ Star History
✨ Contributions
Contributions, suggestions, bug reports and fixes are welcome!
For new features, components, or extensions, please open an issue and discuss before sending a PR.
If you'd like to help translate LibreChat into your language, we'd love your contribution! Improving our translations not only makes LibreChat more accessible to users around the world but also enhances the overall user experience. Please check out our Translation Guide.
💖 This project exists in its current state thanks to all the people who contribute
🎉 Special Thanks
We thank Locize for their translation management tools that support multiple languages in LibreChat.