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Run JetBrains AI Assistant on GPT-5.4 Mini

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.

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Connect JetBrains AI Assistant to GPT-5.4 Mini

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

GPT-5.4 Mini runs on the routes below. Route only to EU providers when your data has to stay in Europe.

ProviderRegionZero data retentionTrainingInputOutput
AzureEUNo$0.75$4.50
OpenAIUSNo$0.75$4.50

The model

by OpenAI

GPT-5.4 Mini is OpenAI's strongest small model, improving over GPT-5 Mini in coding and reasoning while running more than 2x faster, with a 400k context window.

Available on

Pricing from$0.75/ 1M input$4.50/ 1M output400Kcontext

Privacy

ZDR
Training
No
Region
EU + US

More apps on Opper

Run JetBrains AI Assistant on GPT-5.4 Mini

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

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