ChatGPT
OpenAI's flagship AI assistant. Widely used for writing, coding, research, and creative tasks. Available free with optional Plus and Pro tiers for advanced models.
chatgpt.com — OpenAI
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Atlas Browser
OpenAI's AI-native browser built around ChatGPT. Deeply integrates AI into everyday browsing — summarizing pages, answering questions, and taking actions on your behalf.
openai.com — AI Browser
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OpenAI Codex
OpenAI's cloud-based coding agent. Reads your codebase, writes and runs code, fixes bugs, and opens pull requests — all autonomously in an isolated environment.
openai.com/codex — AI Coding Agent
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Claude
Anthropic's AI assistant — Constitutional AI-trained for safety and helpfulness. Strong reasoning, coding, and analysis.
claude.ai — Anthropic
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Claude Code
Anthropic's agentic coding tool. Runs in your terminal, reads your codebase, writes and edits code, runs tests, and commits changes — all from a conversational interface.
claude.ai/code — AI Coding Agent
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Cursor AI
An AI-first code editor built on VS Code. Understands your entire codebase, autocompletes intelligently, and lets you chat with your code to build and refactor faster.
cursor.com — AI Code Editor
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Perplexity AI
AI-powered search engine that cites its sources. Great for research without the SEO noise of traditional search.
perplexity.ai — Search
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Comet Browser
Perplexity's AI-native browser. Brings AI-powered search and answers directly into the browsing experience, surfacing relevant information as you explore the web.
perplexity.ai — AI Browser
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Gemini
Google's multimodal AI assistant. Strong at research, summarization, and integrating with Google Workspace. Available free with an Advanced tier for more powerful models.
gemini.google.com — Google
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Grok
xAI's AI assistant built by Elon Musk's team. Real-time access to X/Twitter data, less filtered than most AI assistants, and available via web and the X platform.
grok.com — xAI
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Lumo
Proton's private AI assistant. Runs on Proton's zero-knowledge infrastructure — your conversations stay encrypted and are never used to train models.
proton.me/lumo — Private AI
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Ollama
Run large language models locally on your own machine. Full privacy — no data leaves your device. Supports Llama, Mistral, and more.
ollama.com — Local AI
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LM Studio
A desktop app for discovering, downloading, and running local LLMs. Clean UI, no command line needed, and supports a wide range of models from Hugging Face.
lmstudio.ai — Local AI
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LocalAI
A free, open-source alternative to OpenAI's API that runs entirely on your own hardware. Drop-in compatible with OpenAI clients — no data ever leaves your machine.
localai.io — Local AI
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