Stack Score

Editorial pick✓ Verified working

JetBrains AI Assistant

AI built into the JetBrains IDEs you already use

Try JetBrains AI Assistant✓ Free trial available

Best for

Best for developers who already work in JetBrains IDEs and want AI that respects the IDE's conventions.

At a glance

Pricing: freemiumfrom $10/mo
Setup time: 5 minutes
Learning curve: easy
Last verified: 5/21/2026

What we love

✓First-party plugin — works with every JetBrains refactor
✓IDE-native, no editor switch required
✓Local model option for sensitive code

Where it falls short

−Quality lags Cursor/Copilot for agent-style workflows
−Locked to the JetBrains ecosystem
−Requires JetBrains All Products Pack or AI subscription

Pricing

✓ Pricing verified Jun 21, 2026

3 tiers

Free

included with any paid JetBrains IDE

✓Limited Mellum completions
✓Limited chat
✓Local model

AI Pro

$10

per month

✓Frontier model chat
✓Higher quotas
✓Multiple IDEs

AI Ultimate

$30

per month

✓Highest quotas
✓Latest models
✓Priority access

Why we picked it

If you live in JetBrains all day, the first-party plugin is the only one that actually understands the IDE's refactor and inspection model. Cursor is more flashy but you give up the JetBrains tooling that makes you fast.
— MoreAI.tools editor

Overview

JetBrains' first-party AI plugin for IntelliJ, PyCharm, WebStorm and the rest. Tight IDE integration that other plugins struggle to match — refactors propagate, navigation is native.

Key features

●Inline completions and chat inside every JetBrains IDE
●Refactoring integrated with IDE inspections
●Test generation and explanation
●Commit message generation
●Local model option via Mellum
●SOC 2 and GDPR for enterprise tier
●Works across Kotlin, Java, Python, JS, Go and more

Best use cases

Refactor with AI inside IntelliJ

Highlight a method, ask AI Assistant for a cleaner version, accept via the IDE structured refactor.

Generate tests for existing code

Right-click a class, choose Generate Tests, review the JUnit or Pytest output.

Integrations

IntelliJ

PyCharm

WebStorm

GoLand

Rider

RubyMine

PhpStorm

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