Cline vs Fume

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

Data last refreshed August 2026

Cline

Cline Bot Inc.

AI coding, open source and uncompromised

Open Source

80% verification coverage

Fume

Fume Technologies, Inc.

Get an extensive Playwright test suite overnight — autonomous AI QA

Paid

71% verification coverage

Trust & Reliability

Cline

Uptime:99.9% (30-day)Status page

Users:10M-50M

Customers (per vendor):Samsung, Salesforce, Oracle +7

Fume

SOC 2

Overall Winner: Cline

6.6/10 vs Fume at 4.3/10

Leads in:

Support

Integration

Customization

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

AI Comparison Summary

Cline

6.6

avg score

Fume

4.3

avg score

Cline leads overall — particularly in Customization and Support and 2 more.

Based on 7 dimensions

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

Overall Winner

Cline

6.6 / 10

Cline

Best For

Individual developers seeking an open-source, flexible AI coding assistant

Engineering teams refactoring large codebases while maintaining consistency

Organizations automating CI/CD workflows and code reviews with AI

Developers building custom AI agent applications and integrations with an SDK

Fume

Best For

Growing engineering teams automating browser testing without dedicated QA engineers

Software development teams needing resilient end-to-end tests that self-heal

Organizations migrating existing Playwright, Selenium, or Cypress tests to an AI-powered system

Companies seeking full code ownership and local execution of AI-generated tests

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

Cline is best for

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

Fume is best for

🤖Automation & Agents6.2✍️Writing & Content6.0💬Chat & Conversation6.0

Filter by your use case:

Limitations

Cline

Cons

You approve every step by default, unless you turn on auto-approve

Fume

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

Cline

6.6

/ 10

Clear winner

Fume

4.3

/ 10

Dimension Breakdown

Ease of Use

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

Cline

4.0

Fume

5.0▲ +1.0

Customization

Calculated

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

Cline

8.0▲ +3.0

Fume

5.0

Support

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

Cline

10.0▲ +6.0

Fume

4.0

Integration

Calculated

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

Cline

9.0▲ +5.0

Fume

4.0

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

Cline

2.0

Fume

2.0

Performance

Calculated

Latency + throughput speed

Cline

5.0▲ +3.0

Fume

2.0

Planning Quality

Calculated

Multi-step planning depth + replanning capability

Cline

8.0

Fume

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

Cline

Task

Fume

3.0

Code Completion

1.0

7.0

Bug Detection

6.0

8.0

Code Explanation

2.0

9.0

Refactoring

5.0

7.0

Test Generation

10.0

8.0

Multi Language Support

2.0

9.0

Context Understanding

6.0

7.0

Documentation Generation

1.0

5.0

Performance Optimization

2.0

6.0

Security Scanning

1.0

3.0

Api Management

3.0

8.0

Ci Cd Integration

9.0

* 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

What are the main differences between Cline and Fume?

Cline — "AI coding, open source and uncompromised". Fume — "Get an extensive Playwright test suite overnight — autonomous AI QA". The Features section on this page compares them side by side.

Who is Cline best for compared with Fume?

Cline is best for Individual developers seeking an open-source, flexible AI coding assistant; and for Engineering teams refactoring large codebases while maintaining consistency. Fume is best for Growing engineering teams automating browser testing without dedicated QA engineers; and for Software development teams needing resilient end-to-end tests that self-heal.

How does the pricing of Cline compare with Fume?

Cline is open source, includes a free plan. Fume is paid, includes a free plan, paid plans start at $500/month, offers a free trial. Always verify current pricing with the vendor.

Does Cline or Fume have a free plan?

Cline is open source. Fume has a free plan and offers a free trial. Always verify current pricing with the vendor.

Do Cline and Fume offer an API?

Cline offers a public API. Fume offers a public API.

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