GPT-5.6 Terra uses OpenAI code interpreter through Opper on the Responses endpoint, passed through as OpenAI defines it.
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/responses \-H "Authorization: Bearer $OPPER_API_KEY" \-H "Content-Type: application/json" \-d '{"model": "openai/gpt-5.6-terra","input": "Sum the first 50 primes and show your working.","tools": [{"type": "code_interpreter", "container": {"type": "auto"}}]}'
GPT-5.6 Terra runs OpenAI code interpreter on the routes below. Its 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 | Zero data retention | Training | Input | Output | Cache read | ||
|---|---|---|---|---|---|---|---|---|
| US | No | $2.00 | $12.00 | $0.20$2.50 write |
GPT-5.6 Terra is the balanced middle tier of OpenAI's GPT-5.6 family, pairing near-flagship quality with everyday speed and a 1M token context.
Step-by-step setup for OpenAI code interpreter on each of these models through Opper.
Gemini runs code to work out its answer, on generateContent.
codeExecutionClaude runs code in Anthropic's sandbox, on Anthropic's own route.
code_executionClaude drives a desktop through screenshots, clicks and typing in your agent loop.
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