Best-of · 10 tools · updated Nov 3, 2026
Best AI Tools with an API for Chatting with an AI Assistant
ChatGPT offers an OpenAI API plus sandboxed code execution and image, file, and voice features. Claude emphasizes a long context window for large documents and projects. Google Gemini connects to Google Search and Workspace apps for cited answers and drafting.
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OpenAI's AI assistant for questions, writing, coding and research, with a free tier and paid plans for more capable models.
Free tier · from $8/moWeb, iOS, Android, API - 2
Anthropic's AI assistant with a long context window, nuanced reasoning and strong performance on writing and analysis.
Free tier · from $20/moWeb, iOS, Android, API - 3
DeepSeek's free AI assistant with strong reasoning and coding capabilities, available on the web and mobile.
FreeWeb, iOS, Android, API - 4
Google's multimodal AI assistant with live web search and deep integration with Gmail, Docs and Drive.
Free tier · from $9.99/moWeb, iOS, Android - 5
xAI's AI assistant with access to real-time posts from X, image generation and conversational question answering.
Free tier · from $30/moWeb, iOS, Android - 6
Quora's multi-model platform giving access to Claude, GPT-4o, Gemini and more through a single interface.
Free tierWeb, iOS, Android - 7UncensoredLabsVerified Nov 3, 2026
OpenAI-compatible API and browser chat for uncensored and abliterated models.
Pay as you goWeb, API - 8
OpenRouterVerified Nov 4, 2026One API endpoint for calling many AI models from different providers, with automatic fallback
Free tierWeb, API - 9
GranolaVerified Nov 4, 2026An AI notepad that captures meetings and turns them into notes and next steps for busy professionals.
Free tier · from $14/moMac, Windows, iOS, Android - 10TessVerified Nov 4, 2026
AI workforce platform for teams that need governed agents with memory, budgets, and approvals.
Paid · from $20.83/moAPI
