Use SearchBase with DeepSeek V4 Pro

DeepSeek V4 Pro searches the web through SearchBase with one tool entry, "engine": "searchbase". DeepSeek V4 Pro has no search of its own, so this is how it reads the web.

Use

SearchBasewithin

Add SearchBase to DeepSeek V4 Pro

Set up with agents

Paste this into your coding agent (Claude Code, Cursor, Codex, and more) and it will set up and build with Opper for you.

Get your API key

In your code

1curl https://api.opper.ai/v3/compat/chat/completions \
2  -H "Authorization: Bearer $OPPER_API_KEY" \
3  -H "Content-Type: application/json" \
4  -d '{"model": "alibaba:global/deepseek-v4-pro",
5       "messages": [{"role": "user", "content": "What changed in the news today?"}],
6       "tools": [{"type": "opper:web_search", "engine": "searchbase"}]}'

Where you can run it

DeepSeek V4 Pro runs SearchBase on the routes below. One route also sells flex and priority processing: the same model at another price, picked per request with service_tier. How service tiers work.

Provider	Region	Training	Input	Output	Cache read
TensorX	EU	No	$2.00	$4.00	$0.50	Not offered on this route	Not offered on this route
DeepInfra	US	No	$1.30	$2.60	$0.10
DigitalOcean	US	No	$0.87	$1.74	$0.17	Not offered on this route	Not offered on this route
Geodd	US	No	$1.48	$3.40	Input price	Not offered on this route	Not offered on this route
Novita	US	No	$1.60	$3.20	$0.14	Not offered on this route	Not offered on this route
Alibaba Cloud	Multi	No	$1.80	$3.60	$0.15	Not offered on this route	Not offered on this route
Azure	Multi	No	$1.74	$3.48	$0.14	Not offered on this route	Not offered on this route
Baidu Qianfan	Multi	—	$1.69	$3.38	$0.14	Not offered on this route	Not offered on this route
BytePlus	Multi	No	$1.32	$3.96	$0.04	Not offered on this route	Not offered on this route
Nextbit	Multi	No	$1.74	$3.48	$0.14	Not offered on this route	Not offered on this route
Tencent Cloud	Multi	No	$1.74	$3.48	$0.14	Not offered on this route	Not offered on this route