AI tools that work with your own DeepSeek API key

A DeepSeek API key gives access to DeepSeek models, including the reasoning model, at some of the lowest per-token prices among major providers. The API is OpenAI-compatible, so many apps support it as a custom endpoint as well.

23 tools, newest first

5ire
Free, open source · macOS, Windows, Linux · Open source
Visit
Free, open-source desktop AI assistant and MCP client that works with your own keys for OpenAI, Claude, Gemini, DeepSeek and more.
Works with:OpenAIAzure OpenAIAnthropicGoogle Gemini+5 more
Aider
Free, open source · CLI · Open source
Visit
AI pair programming in your terminal. Works with your own Anthropic, OpenAI, DeepSeek and other model keys.
Works with:AnthropicOpenAIDeepSeek
big-AGI
Free; Pro $9/month · Web · Open source
Visit
Multi-model AI workspace that runs, compares and merges answers from many providers using your own API keys.
Works with:OpenAIAnthropicGoogle GeminixAI+14 more
ChatWise
macOS, Windows
Visit
Desktop AI chat app for many LLMs with your own API keys, local data storage, web search and MCP tools.
Works with:OpenAIAnthropicGoogle GeminiDeepSeek
Jan
Free, open source · macOS, Windows, Linux · Open source
Visit
Free, open-source ChatGPT alternative that runs models on your computer or connects to online models with your API key.
Works with:OpenAIAnthropicGoogle GeminiMistral+2 more
Kilo Code
Free to start, no markup on model usage · VS Code, JetBrains, CLI · Open source
Visit
Open-source AI coding agent for VS Code, JetBrains and the CLI. Use 500+ models at zero markup or bring your own keys.
Works with:AnthropicOpenAIGoogle GeminiOpenRouter+8 more
n8n
Free to self-host; paid cloud plans · Self-hosted, Web
Visit
Workflow automation platform for building AI agents with 500+ integrations, using your own model credentials. Self-host or cloud.
Works with:OpenAIAnthropicGoogle GeminiMistral+6 more
Nanobrowser
Free, open source · Chrome extension · Open source
Visit
Open-source Chrome extension AI agent that browses for you. Keys stay in your browser and go only to their provider.
Works with:AnthropicOpenAIGoogle GeminiOpenRouter+4 more
NewMax
One-time lifetime license from $399 · macOS, Windows
Visit
Desktop AI agent that runs workflows on your local files with your own API key or a local model; nothing routes through NewMax.
Works with:OpenAIAnthropicGoogle GeminiMistral+6 more
SillyTavern
Free, open source · Self-hosted · Open source
Visit
Open-source LLM frontend for power users, popular for role-play and creative writing. Connects to many APIs with your own keys.
Works with:OpenAIAnthropicGoogle GeminiOpenRouter+3 more
Zed
Free editor; paid plans for Zed-hosted AI · macOS, Windows, Linux · Open source
Visit
Fast open-source code editor with an AI agent that works with your own Anthropic, OpenAI, Gemini, OpenRouter or local model keys.
Works with:AnthropicOpenAIGoogle GeminiMistral+5 more
Idea Forge Pro
Free, no account required · Web
Visit
A free browser-based tool that puts a startup idea through seven validation gates and tells you which one it fails, before you write a line of code.
Works with:OpenAIOpenRouterDeepSeekGroq
Oriveo
Free to start, no markup on your keys · Web, iOS, Android
Visit
BYOK multi-model AI chat app that lets you bring your own API keys from 13+ providers and chat at list price with no markup, synced across iOS, Android, and web.
Works with:OpenAIAnthropicGoogle GeminiOpenRouter+5 more
Daotuan Chat
iOS
Visit
A calmer BYOK chat client for iPhone and iPad. Bring your own API keys, keep control of your models, and avoid another bloated AI workspace.
Works with:OpenAIAnthropicGoogle GeminiDeepSeek+1 more
SynquoRum
Individual and team plans · Web, CLI
Visit
Multi-AI orchestration workspace with cross-provider memory, visual agent workflows, and BYOK across major model providers with no markup.
Works with:AnthropicOpenAIGoogle GeminiMeta+3 more
Intrascope
From $59/month · Web, Android
Visit
Secure AI workspace for teams that centralizes access to major AI models, shared context, usage tracking, and company-level BYOK controls.
Works with:OpenAIAnthropicGoogle GeminiDeepSeek+3 more
BYOKChat
Free tier; paid plans from $19/month · Web
Visit
Chatbot platform with zero AI markup that lets you bring your own API key and pay providers directly at cost.
Works with:OpenAIAnthropicGoogle GeminiMistral+2 more
SurfMind
Chrome extension, Firefox extension, macOS
Visit
Free AI browser extension with page-aware context that lets you use your own API keys or OpenAI-compatible endpoints.
Works with:OpenAIAnthropicGoogle GeminiDeepSeek+3 more
Witsy
Free, open source · macOS, Windows, Linux · Open source
Visit
Open-source desktop AI assistant and universal MCP client for macOS, Windows, and Linux. BYOK app supporting 15+ AI providers including local models via Ollama.
Works with:OpenAIAnthropicGoogle GeminixAI+8 more
CodeGPT
Free; Pro $10/month · VS Code, JetBrains
Visit
Agentic AI platform for dev teams with IDE plugins, code-aware agents and BYOK. Bring OpenAI/Anthropic/Gemini or OSS models, keep data private, self-host option, SOC 2 and analytics.
Works with:OpenAIAnthropicGoogle GeminiMeta+1 more
Chatbox AI
Web, macOS, Windows
Visit
AI client app for enhancing productivity and creativity with document, image, and code interactions. Supports major platforms.
Works with:OpenAIAnthropicDeepSeekGoogle Gemini
16x Prompt
Free (10 prompts/day); paid license · macOS, Windows, Linux
Visit
AI-driven tool for prompt creation and code generation leveraging models like Claude & DeepSeek, optimized for developers.
Works with:OpenAIAnthropicDeepSeek
Dashgen
Free; Plus $5/month; Pro $10/month · Web
Visit
Dashgen offers a BYOK model, connecting API keys from major AI providers to chat seamlessly without extra costs.
Works with:OpenAIAnthropicGoogle GeminiMistral+3 more