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Ellipsis AI vs Lumen

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

Updated August 2026
Ellipsis AI logo

Ellipsis AI

Ellipsis AI Inc.

Cloud platform for coding agents

Freemium
73% verification coverage
VS
Lumen logo

Lumen

Buildt AI Limited

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

Freemium
73% verification coverage

Trust & Reliability

Ellipsis AI

Users:10K-100K
Customers (per vendor):Mosaic, Onfleet
SOC 2

Lumen

Uptime:100% (30-day)Status page
Customers (per vendor):Babcock, BT, HSBC +4
GDPR

Too Close to Call

Lumen (6.6) vs Ellipsis AI (6.5) — difference of 0.1 points

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

AI Comparison Summary

Ellipsis AI

6.5

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

Ellipsis AI

Best For
Engineering teams governing AI coding agents across multiple repositories
Platform teams needing audit trails and budget controls for AI development
Developers automating repetitive coding tasks like dependency updates and code reviews
Organizations requiring secure, isolated environments for AI agent execution
Consider Alternatives If
Not for non-coding tasks (developer-focused only)
Not for local execution (cloud-based only)

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
Consider Alternatives If
Non-coding tasks (Lumen is specialized for software engineering)
Teams without strict security or data privacy requirements (its core value is in secure environments)
Users expecting automatic code integration without human review (outputs require manual checking)

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

Ellipsis AI is best for

✍️Writing & Content7.0💬Chat & Conversation7.0🤖Automation & Agents7.0

Lumen is best for

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

Filter by your use case:

Pros & Cons

Ellipsis AIEllipsis AI

Pros

  • Offers robust governance features including budget caps and audit logs
  • Supports flexible deployment options: managed SaaS or self-hosted in customer's VPC
  • Agents are defined as code (YAML), enabling version control and easy management
  • Provides isolated sandboxes for parallel agent execution without conflicts
  • Integrates with popular developer tools like GitHub, Slack, and Linear

Cons

  • SOC 2 certification is currently Type 1, with Type 2 in progress
  • Webhooks are in a gated preview, requiring a request for access
  • Support packages are an additional cost for direct team access
  • No explicit mention of multi-agent orchestration frameworks
  • Requires familiarity with YAML for agent configuration
LumenLumen

Pros

  • Specialized training on production code for superior software development outcomes
  • Supports a wide range of niche and enterprise programming languages
  • Flexible deployment options including public cloud, single-tenant, and air-gapped environments
  • Integrates into existing developer workflows via CLI, cloud, and desktop interfaces
  • Offers multi-agent orchestration and external tool access via MCP for complex tasks

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

Ease of UseOutput QualityValueCustomizationSupportIntegrationAccuracyCompliancePerformanceTask DoneTool UsePlanning

Ellipsis AI

6.5

/ 10

Lumen

6.6

/ 10

Your pick

Dimension Breakdown

Ease of Use

AI

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

Ellipsis AI
6.0
Lumen
7.0▲ +1.0

Output Quality

AI

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

Ellipsis AI
7.0
Lumen
8.0▲ +1.0

Value for Money

AI

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

Ellipsis AI
7.0
Lumen
7.0

Customization

Calculated

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

Ellipsis AI
6.0▲ +3.0
Lumen
3.0

Support

AI

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

Ellipsis AI
7.0
Lumen
7.0

Integration

Calculated

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

Ellipsis AI
6.0
Lumen
6.0

Accuracy & Reliability

AI

Factual accuracy and hallucination resistance

Ellipsis AI
8.0
Lumen
8.0

Compliance & Data Protection

Calculated

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

Ellipsis AI
4.0
Lumen
4.0

Performance

Calculated

Latency + throughput speed

Ellipsis AI
5.0
Lumen
5.0

Task Completion

AI

End-to-end task success rate

Ellipsis AI
7.0
Lumen
8.0▲ +1.0

Tool Use Correctness

AI

Picks the correct tool + correct arguments

Ellipsis AI
8.0
Lumen
8.0

Planning Quality

Calculated

Multi-step planning depth + replanning capability

Ellipsis AI
7.0
Lumen
8.0▲ +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

Ellipsis AI

Task

Lumen

7.0
Code Completion
7.0
7.0
Bug Detection
8.0
7.0
Code Explanation
7.0
7.0
Refactoring
8.0
6.0
Test Generation
7.0
7.0
Multi Language Support
9.0
7.0
Context Understanding
8.0
6.0
Documentation Generation
7.0
6.0
Performance Optimization
8.0
7.0
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, Ellipsis AI or Lumen?
Both are strong options. Ellipsis AI is a strong choice, while Lumen is a strong choice. The best choice depends on your specific use case, budget, and workflow requirements.
Is Ellipsis AI cheaper than Lumen?
Ellipsis AI 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 Ellipsis AI and Lumen?
Ellipsis AI — "Cloud platform for coding agents". 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 Ellipsis AI and Lumen together?
Yes, many teams use both tools together for different purposes. Use the Stack Builder section above to combine Ellipsis AI and Lumen with other tools and save your AI toolkit.
Does Ellipsis AI or Lumen have a free plan?
Ellipsis AI is available for free. Lumen is available for free. Always verify current pricing directly with the vendor.

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