JetBrains AI Assistant
JetBrains AI Assistant is a proprietary IDE plug-in for AI-assisted coding, built by JetBrains (released 2023-12). JetBrains AI Assistant integrates with 5 verified models, including Claude Sonnet 4.6, Claude Opus 4.6, and Gemini 2.5 Pro. It runs as an extension in VS Code and JetBrains IDEs, pairing editor context with chat, completions, multi-file edits, and code review workflows for daily development.
Overview
Native AI assistant integrated into all JetBrains IDEs with context-aware code generation, Junie autonomous agent, and AI credits system. Supports Claude and GPT models with local model option.
Compare JetBrains AI Assistant side-by-side with other CLI, IDE, cloud, and framework agents on pricing, model coverage, and release cadence.
Best LLMs for this agent
Claude Sonnet 4.6 is a verified model option for JetBrains AI Assistant.
Claude Opus 4.6 is a verified model option for JetBrains AI Assistant.
Gemini 2.5 Pro is a verified model option for JetBrains AI Assistant.
Pricing and Provider Comparison
Hosted agents expose plan pricing. Bring-your-own-key agents pass the main cost through the model provider route you configure.
Agent access tiers
| Tier | Price | Includes |
|---|---|---|
| AI Free | Free | Unlimited code completion, local models, limited AI chat quota |
| AI Pro | $8/mo | $8 in AI credits, all AI features, Junie agent |
| AI Ultimate | $30/mo | $35 in AI credits, priority access to all models |
| AI Enterprise | Custom | Admin controls, SSO, centralized billing, custom credit pools |
Featured Model Specs
| Model | Lab | Released | Context | Reasoning | Openness |
|---|---|---|---|---|---|
| Claude Sonnet 4.6 | Anthropic | 2026-02-17 | 1m | Yes | Proprietary |
| Claude Opus 4.6 | Anthropic | 2026-02-05 | 1m | Yes | Proprietary |
| Gemini 2.5 Pro | Google DeepMind | 2025-06-17 | 1m | Yes | Proprietary |
| GPT-4.1 | OpenAI | 2025-04-01 | 1.05m | No | Proprietary |
| GPT-4o (2024-11-20) | OpenAI | 2024-11-20 | 128k | No | Proprietary |
Model Compatibility Matrix
| Model | Lab | Default | Access tier | Notes |
|---|---|---|---|---|
| Claude Sonnet 4.6 | Anthropic | No | AI Pro | Available via AI credits |
| Claude Opus 4.6 | Anthropic | No | AI Pro | Available via AI credits |
| Gemini 2.5 Pro | Google DeepMind | No | AI Pro | Available via AI credits |
| GPT-4.1 | OpenAI | No | AI Pro | Available via AI credits |
| GPT-4o (2024-11-20) | OpenAI | No | AI Pro | Available via AI credits |
Underlying Models
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FAQ
What is JetBrains AI Assistant?
JetBrains AI Assistant is a proprietary IDE plug-in for AI-assisted coding, built by JetBrains (released 2023-12). It runs as an extension in VS Code and JetBrains IDEs, pairing editor context with chat, completions, multi-file edits, and code review workflows for daily development. It is primarily used for pair programming, code review, and repository-aware edits inside an editor.
What models does JetBrains AI Assistant support?
JetBrains AI Assistant runs Claude Sonnet 4.6, Claude Opus 4.6, Gemini 2.5 Pro, GPT-4.1, GPT-4o (2024-11-20).
Is JetBrains AI Assistant open source?
No, JetBrains AI Assistant is a proprietary IDE plug-in.
What are alternatives to JetBrains AI Assistant?
Alternatives include Cursor, GitHub Copilot, and Windsurf.
When was JetBrains AI Assistant released?
JetBrains AI Assistant was released in 2023-12.