Definition
The search integration layer in OpenWebUI that connects local LLM chat interfaces to web search results, configurable via SearXNG (self-hosted), Tavily, Brave, or custom API backends to give conversational AI access to current web data.
In Depth
OpenWebUI is the most popular open-source chat interface for local LLMs (Ollama, llama.cpp). Its search backend determines how the chat retrieves web data during conversations. The default integration uses SearXNG, a self-hosted metasearch engine that aggregates results from 70+ upstream search engines at zero per-query cost. The reliability problem: SearXNG instances get rate-limited by Google, Bing, and DuckDuckGo after sustained query volume. In production deployments with 10+ users, search failures become routine. The instance returns empty results with no error, and users see 'I could not find information about that' responses from the LLM. API backend alternative: replace SearXNG with a managed search API. Configure OpenWebUI's environment variables to point at any REST endpoint that returns search results. Scavio at $0.005/query returns structured Google results with AI Overview data. Tavily at $0.008/credit returns LLM-optimized summaries. Brave at $0.005/query returns results from an independent index. Cost comparison for a 10-person team averaging 50 searches/day: SearXNG costs $10-20/mo in hosting but fails 5-15% of searches. Scavio costs ~$7.50/mo (1,500 queries at $0.005) with consistent reliability. The per-query cost is offset by elimination of DevOps maintenance time and zero failed searches.
Example Usage
The team replaced their OpenWebUI SearXNG instance with Scavio's API after the third week of intermittent search failures. Configuration required changing two environment variables: SEARCH_API_URL=https://api.scavio.dev/api/v1/search and SEARCH_API_KEY. Monthly cost went from $15 (VPS) to ~$8 (API queries), with search reliability going from 87% to 99.9%.
Platforms
OpenWebUI Search Backend is relevant across the following platforms, all accessible through Scavio's unified API:
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