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Run JetBrains AI Assistant on Gemini 3.1 Pro Preview

by JetBrainsEditorjetbrains.com

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.

RunJetBrains AI Assistant logoJetBrains AI Assistantonin

Connect JetBrains AI Assistant to Gemini 3.1 Pro Preview

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

Where you can run it

Gemini 3.1 Pro Preview runs on the routes below. Route only to EU providers when your data has to stay in Europe. Some routes also sell flex and priority processing: the same model at another price, picked per request with service_tier. How service tiers work.

ProviderRegionZero data retentionTrainingInputOutputCache read
USNo$2.00$12.00$0.20$2.38 write
MultiNo$2.00$12.00$0.20Not offered on this routeNot offered on this route
MultiNo$2.00$12.00$0.20$2.38 write

The model

by Google

Gemini 3.1 Pro Preview by Google, a frontier reasoning LLM with 1M context and strong agentic coding, scoring 77% on ARC-AGI-2 and 81% on SWE-Bench Verified.

Available on

Pricing from$2.00/ 1M input$12.00/ 1M output$0.20/ 1M cache read1Mcontext

Privacy

ZDR
Training
No
Region
US, Multi

Run JetBrains AI Assistant on other models

Step-by-step setup for running JetBrains AI Assistant on each of these models through Opper.

More apps on Opper

Run JetBrains AI Assistant on Gemini 3.1 Pro Preview

One key, 700+ models, a choice of region, and zero data retention. Switch the model behind your app without changing your workflow.

Get startedView Documentation