GPT-5.5 Pro uses extended reasoning compute to deliver OpenAI's strongest answers, built for the hardest tasks, long-running workflows, and deep analysis.
Available on
Privacy
- ZDR
- Training
- No
- Region
- US
JetBrains AI Assistant brings AI chat, code generation, and agents into IntelliJ IDEA, PyCharm, WebStorm, and the rest of the JetBrains IDEs. Its bring-your-own-key support takes OpenAI-compatible custom endpoints with your own API key, no JetBrains AI subscription required. Point it at Opper's gateway and your IDE runs on any of 700+ models with one key and a choice of region.
Paste this into your coding agent (Claude Code, Cursor, Codex, and more) and it will set up and build with Opper for you.
GPT-5.5 pro runs on the routes below. Route only to EU providers when your data has to stay in Europe.
| Provider | Region | Zero data retention | Training | Input | Output |
|---|---|---|---|---|---|
| OpenAI | US | No | $30.00 | $180.00 |
GPT-5.5 Pro uses extended reasoning compute to deliver OpenAI's strongest answers, built for the hardest tasks, long-running workflows, and deep analysis.
Point Cursor's OpenAI base URL at Opper to run it on any of 700+ models.
OpenAI-compatibleCline's OpenAI-Compatible provider points straight at Opper's gateway.
OpenAI-compatibleAdd Opper as an OpenAI provider in config.yaml and Continue's chat, edit and autocomplete run on any model.
OpenAI-compatible