A web-grounded search engine that became an enterprise search-API company -- great for developers building RAG and agents, but its consumer free chat is now essentially a trial.
You.com began as a web-grounded, citation-first AI search engine and has pivoted hard toward enterprise and agentic search APIs. As of April 2026 the old unlimited consumer free tier is effectively gone -- free users get a ~25-query Pro trial, with Pro at $20/mo and Max at $200/mo. The real strength now is the developer side: Search, Contents, and Research APIs with $100 in free credits, a free MCP endpoint (100 queries/day) for Claude Code and Cursor, SOC 2 certification, and no training on your data. It's a strong choice for building RAG and agents, less so as a casual consumer chatbot.
A web-grounded search engine that became an enterprise search-API company -- great for developers building RAG and agents, but its consumer free chat is now essentially a trial.
Consumer: Free is now a ~25-query Pro trial (as of April 2026); Pro $20/mo (~$15 annual), Max $200/mo. API pay-as-you-go (Search $5/1k, Research from $12/1k) with $100 free credits; free MCP endpoint 100 queries/day. As of June 2026.
Same AI chat category, ranked by BigBang Score. Click any to compare side-by-side.
OpenAI's flagship AI assistant used by 200M+ people for writing, coding, analysis, and creative work. Offers GPT-4o for fast multimodal tasks and o-series models for reasoning. Best for generalists who want one tool for everything from drafting emails to debugging Python.
Gemini is Google's flagship AI assistant, built on the multimodal Gemini model family and woven into Search, Workspace, Android, and Chrome. The free tier gives broad access to capable Gemini models, while paid Google AI plans add the strongest reasoning models, higher limits, and large cloud storage. Developers get a first-class API through Google AI Studio and Vertex AI with very large context windows and competitive token pricing. Its deep Google-ecosystem integration and native multimodality make it one of the few genuine co-leaders alongside ChatGPT.
Z.ai is Zhipu AI's chat and developer platform built on the GLM model family (formerly ChatGLM), and one of the fastest-moving labs of 2026. Basic chat on GLM Flash models is free and unlimited, while the flagship GLM-5.x reasoning models -- which rival Opus-class systems on agentic and coding tasks -- come via cheap coding-plan subscriptions (from ~$10/mo) or a very low-cost API. Developers get a strong, English, OpenAI-compatible platform with genuinely free Flash models, not just trial credits. The catch is China jurisdiction and PRC-aligned content rules, plus fast-shifting pricing.
DeepSeek is the Chinese lab that upended AI pricing with frontier-class reasoning and coding models at a fraction of Western costs. Its consumer chat app is free, and the DeepSeek API is among the cheapest anywhere, with an OpenAI-compatible interface and open-weight model releases developers can self-host. Models in its V-series and reasoning line are genuinely strong on math, code, and logic. The trade-off is China jurisdiction and data-governance concerns that matter for Western businesses.
Qwen Chat is Alibaba's free conversational app built on the Qwen model family, one of the most capable open-weight model lines in the world. The consumer app is permanently free with no obvious message caps -- web, mobile, and desktop -- which undercuts every Western rival on price. Developers can call the same models cheaply through Alibaba's DashScope API (OpenAI-compatible), though the always-free dev tier was replaced by a finite trial in 2026. Its main drawbacks are China hosting, a compliance concern for Western firms, and a consumer UX that trails ChatGPT.
Anthropic's AI assistant built around safety and deep reasoning. Handles 200K+ token context windows for analyzing long documents, codebases, and research. Powers Claude Code CLI for agentic development. Best for developers and researchers who need nuanced thinking over quick answers.
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The four answers here cover what most readers ask. For deeper context, the full review above includes pricing, pros and cons, and side-by-side alternatives.