Grok 3 Mini has its own web search, and auto uses it. On every other route and endpoint Opper's engine runs the search.
Paste this into your coding agent (Claude Code, Cursor, Codex, and more) and it will set up and build with Opper for you.
curl https://api.opper.ai/v3/compat/chat/completions \-H "Authorization: Bearer $OPPER_API_KEY" \-H "Content-Type: application/json" \-d '{"model": "xai/grok-3-mini","messages": [{"role": "user", "content": "What changed in the news today?"}],"tools": [{"type": "opper:web_search"}]}'
Grok 3 Mini runs xAI web search on the routes below. Some routes also sell priority processing: the same model at another price, picked per request with service_tier. How service tiers work.
Grok 3 Mini by xAI is a lightweight reasoning model with visible thinking tokens and a 131k context window for logic-based tasks.
Step-by-step setup for xAI web search on each of these models through Opper.
Opper's default search engine for models without their own. Search processing stays in the EU.
"engine": "jina"
The Swedish open-source search API, on Europe's own Staan index and hosted in the EU.
"engine": "searchbase"
Exa's search engine built for AI, on any tool-calling model through one tool entry. US-based.
"engine": "exa"