ChatGPT
OpenAI · Free version · limited checksThe best-known AI chat for questions, writing, file analysis and image generation.
Use right away · Alternatives
Alternatives to Grok
Grok by SpaceXSI (formerly xAI) belongs to the area “Use right away” on OROBO. Here are 8 alternatives from the same area, first 8 with the same goals. Every entry is checked automatically every day (origin, code patterns, licence, maintenance, reachability); OROBO does not check whether software fits your purpose.
8 alternatives at a glance
Gemini
Google · Free version · limited checksGoogle's AI assistant, tied into Gmail, Docs and Search, with image and video generation.
Claude
Anthropic · Free version · limited checksAI assistant for deep work: reads long documents, writes clearly, builds code and files.
Gemini Notebook (formerly NotebookLM)
Google · Free version · limited checksFormerly NotebookLM: add your sources and get summaries, audio overviews and grounded answers.
Microsoft Copilot
Microsoft · Free version · limited checksMicrosoft's AI companion across Windows, Edge and Office; free to use, more with Microsoft 365.
DeepSeek
DeepSeek · Free · limited checksFree chat app on DeepSeek's open-weight models, strong at reasoning, math and code.
Meta AI
Meta · Free · limited checksMeta's free assistant on the web, in its own app, in WhatsApp and Instagram, and on AI glasses.
Perplexity
Perplexity AI · Free version · limited checksAI answer engine that cites its sources, built for fast research.
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All software in “Use right away” with filters by price, offline use and difficulty.