Augment Code vs Lumen

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

Updated August 2026

Augment Code

Augment Computing

The agentic SDLC platform for loops

Freemium

79% verification coverage

Lumen

Buildt AI Limited

The coding model that actually gets it — specialist coding AI (Cosine)

Freemium

73% verification coverage

Trust & Reliability

Augment Code

Users:100K-1M

Customers (per vendor):Adobe, MongoDB, Pure Storage +7

GDPR

SOC 2

HIPAA

Lumen

Uptime:100% (30-day)Status page

Customers (per vendor):Babcock, BT, HSBC +4

GDPR

Too Close to Call

Lumen (6.6) vs Augment Code (6.4) — difference of 0.2 points

Scores are AI-estimated from publicly available data — not an independent test or a verified user rating. How we rank →

AI Comparison Summary

Augment Code

6.4

avg score

Lumen

6.6

avg score

Both tools score very similarly overall — the best choice depends on your specific priorities.

Based on 12 dimensions

Scores are AI-estimated from publicly available data — not an independent test or a verified user rating. How we rank →

Too close to call — it's a tie

Augment Code

Best For

Enterprise engineering teams automating repetitive SDLC tasks at scale

Development teams seeking to accelerate code review and merge times

Security teams automating vulnerability remediation and incident response

Organizations modernizing large, complex codebases with AI-driven migrations

Lumen

Best For

Engineering teams in highly regulated industries needing secure, air-gapped AI coding capabilities

Organizations working with legacy systems and niche programming languages like COBOL or Fortran

Enterprise development teams requiring production-quality code generation and complex architecture reasoning

Software development teams seeking to improve code quality and accelerate development cycles in secure environments

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

Augment Code is best for

✍️Writing & Content9.0💬Chat & Conversation9.0💻Coding & Dev7.0

Lumen is best for

🤖Automation & Agents9.0🎧Customer Support9.0✍️Writing & Content8.0

Filter by your use case:

Limitations

Augment Code

Cons

Requires technical expertise for setup and customization of agent workflows
Business plan limits to 50 seats, requiring Enterprise for larger teams
Usage-based billing on top of the flat monthly fee can lead to variable costs
No explicit mention of a free tier for individual developers to try without commitment
Relies on external LLM providers, incurring additional costs for model inference

Lumen

Cons

Requires access to existing software code repositories for full functionality
No refunds are payable for any fees paid under any circumstances
Fair usage limits may apply, leading to suspension or termination if exceeded
Outputs are not automatically integrated into code repositories, requiring manual review and incorporation
Does not process personal data on behalf of users, limiting its use for PII-sensitive codebases

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

Customization5

Support5

Integration5

Accuracy & Reliability5

Compliance & Data Protection5

Performance5

Task Completion5

Tool Use Correctness5

Planning Quality5

Dimension Comparison

Augment Code

6.4

/ 10

Lumen

6.6

/ 10

Your pick

Dimension Breakdown

Ease of Use

How intuitive is onboarding, UI navigation, and day-to-day usage for the target audience?

Augment Code

4.0

Lumen

7.0▲ +3.0

Output Quality

How accurate, reliable, and useful are the outputs this product generates?

Augment Code

8.0

Lumen

8.0

Value for Money

How well does the pricing match the features and output quality delivered?

Augment Code

6.0

Lumen

7.0▲ +1.0

Customization

Calculated

How much can users tailor workflows, settings, prompts, or outputs to their needs?

Augment Code

8.0▲ +5.0

Lumen

3.0

Support

How strong is the documentation, customer support, community, and learning resources?

Augment Code

7.0

Lumen

7.0

Integration

Calculated

How well does it connect with other tools, APIs, and workflows?

Augment Code

1.0

Lumen

6.0▲ +5.0

Accuracy & Reliability

Factual accuracy and hallucination resistance

Augment Code

8.0

Lumen

8.0

Compliance & Data Protection

Calculated

Compliance certifications and data-protection posture, aggregated from verified compliance signals

Augment Code

6.0▲ +2.0

Lumen

4.0

Performance

Calculated

Latency + throughput speed

Augment Code

5.0

Lumen

5.0

Task Completion

End-to-end task success rate

Augment Code

8.0

Lumen

8.0

Tool Use Correctness

Picks the correct tool + correct arguments

Augment Code

8.0

Lumen

8.0

Planning Quality

Calculated

Multi-step planning depth + replanning capability

Augment Code

8.0

Lumen

8.0

Calculated = derived from structured signals (integration count, API/open-source config, compliance certs, response-time). AI = LLM-assessed from public website content. Methodology

Task Performance

Augment Code

Task

Lumen

7.0

Code Completion

7.0

8.0

Bug Detection

8.0

7.0

Code Explanation

7.0

Refactoring

8.0

Test Generation

7.0

Multi Language Support

9.0

Context Understanding

8.0

6.0

Documentation Generation

7.0

Performance Optimization

8.0

Security Scanning

8.0

* 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, Augment Code or Lumen?

Both are strong options. Augment Code is a strong choice, while Lumen is a strong choice. The best choice depends on your specific use case, budget, and workflow requirements.

Is Augment Code cheaper than Lumen?

Augment Code starts at free (freemium model). Lumen starts at free (freemium model). Use the Cost Calculator above for a detailed estimate.

What are the main differences between Augment Code and Lumen?

Augment Code — "The agentic SDLC platform for loops". Lumen — "The coding model that actually gets it — specialist coding AI (Cosine)". 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 Augment Code and Lumen together?

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

Does Augment Code or Lumen have a free plan?

Augment Code is available for free. Lumen is available for free. Always verify current pricing directly with the vendor.

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