5 AI search tools for Windows. All have a free plan. Half of the paid plans start at $17 a month or less. 2 are open source. Newest check: 28 Oct 2026.
268 of 721 tools were checked against the vendor's own page in the last 30 days.
| Tool | Price from | Free plan | Runs on | Checked |
|---|---|---|---|---|
| Google LensGoogle's AI-powered visual search tool that identifies objects, translates text in 100+ languages, matches products against the Shopping Graph, and provides homework help. Free on Android, iOS, and Chrome, with a Windows desktop app that launched in 2026. | Free | Yes | Web · iOS · Android · Windows | 28 Oct |
| Perplexity AIPerplexity AI answers from the live web with numbered citations and lets paid users pick among models from 6 AI labs; a limited free plan exists. | $17/mo | Yes | Web · iOS · Android · Mac · Windows | 22 Oct |
| AlgoliaAI search and retrieval platform powering 1.75 trillion searches annually for 18,000+ businesses with semantic search, vector embeddings, and AI agents. | -- | Yes | Web · iOS · Android · Mac · Windows | 3 Sep |
| BingMicrosoft's AI-powered search engine with Copilot integration, multi-turn search, and enterprise capabilities. Free consumer search; Copilot Search powered by OpenAI's Prometheus model. Enterprise Bing Chat is also available for teams. | $5/mo | Yes | Web · iOS · Android · Windows | 19 Aug |
| DeeplakeActiveloop's open-source GPU database for AI agents: Postgres interface, multimodal data lake, SOC 2 Type II certified, Apache-licensed core. | $99/mo | Yes | Web · Mac · Windows | 8 Oct |
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