Lumen vs Amp

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

Updated October 2026

Lumen

Buildt AI Limited

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

Freemium

73% verification coverage

Amp

Amp Frontier Corporation

The frontier coding agent — web, terminal & phone

Freemium

83% verification coverage

Trust & Reliability

Lumen

Trust data not available yet

Amp

Uptime:99.40% (90-day)Status page

Users:1M-10M

Customers (per vendor):Intel, Westpac, Indeed +7

SOC 2

Too Close to Call

Lumen (6.1) vs Amp (5.7) — difference of 0.4 points

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

AI Comparison Summary

Lumen

6.1

avg score

Amp

5.7

avg score

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

Based on 7 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

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

Amp

Best For

Developers running several long-lived agents in parallel without local worktrees or port conflicts

Teams that want agents to wake on outside events like a new Linear issue or CI failing on main

Developers who want to review agent changes and preview the running app from any device

Teams collaborating on the same agent session together via multiplayer orbs

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

Lumen is best for

✍️Writing & Content8.0💬Chat & Conversation8.0🔍Research8.0

Amp is best for

✍️Writing & Content9.0💬Chat & Conversation9.0🔍Research9.0

Filter by your use case:

Limitations

Lumen

Cons

No cons listed yet.

Amp

Cons

No cons listed yet.

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

Customization5

Support5

Integration5

Compliance & Data Protection5

Performance5

Planning Quality5

Dimension Comparison

Lumen

6.1

/ 10

Your pick

Amp

5.7

/ 10

Dimension Breakdown

Ease of Use

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

Lumen

5.0▲ +2.0

Amp

3.0

Customization

Calculated

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

Lumen

8.0▲ +1.0

Amp

7.0

Support

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

Lumen

5.0

Amp

5.0

Integration

Calculated

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

Lumen

6.0

Amp

7.0▲ +1.0

Compliance & Data Protection

Calculated

Compliance certifications and data-protection posture, counted from ten verified signals: SOC 2 Type II, GDPR compliance, HIPAA, WCAG AA/AAA, PII redaction, licensed-only training, a published sub-processor list, a downloadable DPA, not training on user data, and a documented deletion path

Lumen

5.0▲ +1.0

Amp

4.0

Performance

Calculated

Latency + throughput speed

Lumen

6.0▲ +1.0

Amp

5.0

Planning Quality

Calculated

Multi-step planning depth + replanning capability

Lumen

8.0

Amp

9.0▲ +1.0

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

Lumen

Task

Amp

6.0

Code Completion

1.0

6.0

Bug Detection

9.0

6.0

Code Explanation

9.0

8.0

Refactoring

9.0

5.0

Test Generation

8.0

9.0

Multi Language Support

8.0

Context Understanding

9.0

5.0

Documentation Generation

7.0

5.0

Performance Optimization

6.0

Security Scanning

5.0

* 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, Lumen or Amp?

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

Is Lumen cheaper than Amp?

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

What are the main differences between Lumen and Amp?

Lumen — "The coding model that actually gets it — specialist coding AI (Cosine)". Amp — "The frontier coding agent — web, terminal & phone". 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 Lumen and Amp together?

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

Does Lumen or Amp have a free plan?

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

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