Use OpenAI web search with GPT-6.1 Terra

by OpenAIWeb search

GPT-6.1 Terra has its own web search on 1 of its 6 routes, and auto uses it when you call it on the Responses endpoint. On every other route and endpoint Opper's engine runs the search.

UseOpenAI web searchwithin

Add OpenAI web search to GPT-6.1 Terra

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/responses \
2  -H "Authorization: Bearer $OPPER_API_KEY" \
3  -H "Content-Type: application/json" \
4  -d '{"model": "openai/gpt-6.1-terra",
5       "input": "What changed in the news today?",
6       "tools": [{"type": "opper:web_search", "engine": "native"}]}'

Where you can run it

GPT-6.1 Terra runs OpenAI web search on the routes below.

Provider	Region	Zero data retention	Training	Input	Output	Cache read
OpenAI	US		No	$1.00	$5.00	$0.05$1.25 write

The model

Visual reasoning, computer use, and clear writing.

Available on

AWS BedrockAzureEUOpenAIUS

Pricing from$1.00/ 1M input$5.00/ 1M output$0.05/ 1M cache read1.1Mcontext

Privacy

ZDR
Training: No
Region: Multi, EU, US

Use OpenAI web search with other models

Step-by-step setup for OpenAI web search on each of these models through Opper.

GPT-6.1 Sol GPT-6 Luna GPT-6 Sol GPT-5.6 Sol GPT-5.6 Terra GPT-5.6 Luna GPT-5.5 See all 700+ models

More tools on Opper

Jina search

Opper's default search engine for models without their own. Search processing stays in the EU.

Search"engine": "jina"

SearchBase

The Swedish open-source search API, on Europe's own Staan index and hosted in the EU.

Search"engine": "searchbase"

Exa search

Exa's search engine built for AI, on any tool-calling model through one tool entry. US-based.

Search"engine": "exa"