LightOn AI vs JetBrains AI Assistant

Comprehensive side-by-side comparison — features, pricing, performance, and more.

Updated April 2026

LightOn AI

LightOn

Secure AI Search & Reasoning for Enterprise Data

0.0(0)

PAID

91% data quality

JetBrains AI Assistant

JetBrains s.r.o.

Intelligent coding assistance built into your workflow

0.0(0)

FREEMIUM

94% data quality

Trust & Reliability

LightOn AI

Trusted by:Safran, Babbar, Region Ile De France

GDPR

JetBrains AI Assistant

Trusted by:Volkswagen, Citibank, BMW +7

GDPR

SOC 2

Overall Winner: JetBrains AI Assistant

8.0/10 vs LightOn AI at 6.7/10

Leads in:

Customizability

Support

Ease of Use

AI Comparison Summary

LightOn AI

6.7

avg score

JetBrains AI Assistant

8.0

avg score

JetBrains AI Assistant leads overall — particularly in Ease of Use and Customizability and 1 more.

Based on 6 dimensions

How scores are calculated

Overall Winner

JetBrains AI Assistant

8.0 / 10

LightOn AI

Best For

Implementing secure AI search on internal knowledge bases

Automating RFP responses with reliable content

Powering self-service customer support portals

Developing AI-powered internal assistants

Not Ideal For

Individuals or small teams seeking a free or low-cost AI search solution

Users who prefer fully managed SaaS solutions without data residency concerns

Organizations without significant internal IT resources for deployment and management

JetBrains AI Assistant

Best For

Accelerating software development in JetBrains IDEs

Improving code quality and maintainability

Automating repetitive coding tasks

Enhancing developer productivity for professional teams

Not Ideal For

Developers not using JetBrains IDEs

Users seeking a standalone AI coding tool

Individuals looking for a free AI coding assistant

* Verdict is based on our algorithmic scoring of publicly available data. Learn about our methodology

LightOn AI is best for

✍️Writing & Content9.0💬Chat & Conversation9.0

JetBrains AI Assistant is best for

✍️Writing & Content9.0💬Chat & Conversation9.0🤖Automation & Agents9.0

Filter by your use case:

Pros & Cons

LightOn AI

Pros

Ensures zero data exfiltration with on-premise or sovereign cloud deployment
Handles massive, multimodal unstructured data including complex formats like images and diagrams
Supports advanced search behaviors like conversational Q&A and agentic reasoning
Mirrors native permissions (ACLs) for strict data governance and segregation
Offers both API for developers and ready-to-use white-label interface for business teams
GDPR compliant and SOC 2 Type 1 compliant

Cons

Requires significant hardware (GPU) investment for on-premise deployment
SOC 2 Type 1 is mentioned, not Type II certification
Deployment takes about three weeks, which might be long for some use cases
No explicit mention of a free tier or transparent pricing

JetBrains AI Assistant

Pros

Deep integration with a wide range of JetBrains IDEs
Supports various AI models including user's own OpenAI API key
Offers flexible deployment options (local/cloud) for data control
Enhances productivity with context-aware coding assistance
Backed by JetBrains' enterprise-grade security and compliance

Cons

Requires a JetBrains IDE subscription to function
Not a standalone AI tool, dependent on IDE ecosystem
Pricing is an add-on or part of bundles, not a separate free tier
May have territory limitations for AI services

Weighted Score — Adjust What Matters to You

Pick a profile or drag sliders — scores and radar update instantly on the right.

Quick profiles:

Ease of Use5

Output Quality5

Value for Money5

Customizability5

Support & Ecosystem5

Integration Power5

Dimension Comparison

LightOn AI

6.7

/ 10

JetBrains AI Assistant

8.0

/ 10

Clear winner

Dimension Breakdown

Ease of Use

How easy it is to get started and use daily

LightOn AI

6.0

JetBrains AI Assistant

8.0▲ +2.0

Output Quality

Quality and accuracy of generated results

LightOn AI

8.0

JetBrains AI Assistant

8.0

Value for Money

Cost vs. features and output quality

LightOn AI

7.0

JetBrains AI Assistant

7.0

Customizability

Calculated

Ability to tailor to specific needs

LightOn AI

6.0

JetBrains AI Assistant

9.0▲ +3.0

Support & Ecosystem

Documentation, community, and support quality

LightOn AI

7.0

JetBrains AI Assistant

9.0▲ +2.0

Integration Power

Calculated

Ability to connect with other tools and workflows

LightOn AI

6.0

JetBrains AI Assistant

7.0▲ +1.0

Calculated = derived from verified integration count and API/open-source signals. AI = LLM-assessed from public website content. Methodology

Task Performance

LightOn AI

Task

JetBrains AI Assistant

2.0

Code Completion

9.0

2.0

Bug Detection

7.0

2.0

Code Explanation

8.0

2.0

Refactoring

8.0

2.0

Test Generation

7.0

2.0

Multi Language Support

9.0

Context Understanding

9.0

2.0

Documentation Generation

7.0

2.0

Performance Optimization

7.0

2.0

Security Scanning

6.0

* Task scores (1–10) are algorithmically generated from publicly available data.

Data is sourced from public information and vendor websites. It may not always be up-to-date — verify pricing and features directly with the vendor before purchasing.Report inaccuracy

Frequently Asked Questions

Which is better, LightOn AI or JetBrains AI Assistant?

Both are strong options. LightOn AI has a rating of 0.0/5 (0 reviews), while JetBrains AI Assistant has a rating of 0.0/5 (0 reviews). The best choice depends on your specific use case, budget, and workflow requirements.

Is LightOn AI cheaper than JetBrains AI Assistant?

LightOn AI starts at free (paid model). JetBrains AI Assistant starts at $10/month (freemium model) with a free trial. Use the Cost Calculator above for a detailed estimate.

What are the main differences between LightOn AI and JetBrains AI Assistant?

LightOn AI — "Secure AI Search & Reasoning for Enterprise Data". JetBrains AI Assistant — "Intelligent coding assistance built into your workflow". Key differences include their pricing models, platform support, integrations, and technical capabilities. See the Feature Comparison table above for a complete side-by-side breakdown.

Can I use LightOn AI and JetBrains AI Assistant together?

Yes, many teams use both tools together for different purposes. Use the Stack Builder section above to combine LightOn AI and JetBrains AI Assistant with other tools and save your AI toolkit.

Does LightOn AI or JetBrains AI Assistant have a free plan?

LightOn AI is a paid tool. JetBrains AI Assistant is available for free with a free trial. Always verify current pricing directly with the vendor.

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