ClineAI Coding, Open Source and Open Choice
vs
CodexAI Coding Assistants
Comparison · AI Coding Assistants · weekly run Nov 3
Cline vs Codex
Which one do AI engines recommend, and how do they differ on price, fit and features?
The short answer
Codex is the stronger AI pick in AI Coding Assistants: it has a visibility score of 20.9 versus 5.3 for Cline, and ranks ahead in 100% of the answers that name both.
Choose Cline if…
- Open-source with bring-your-own API key
- Granular model control and choice of models
- Reliable handling of large codebase modifications
- Free, flexible setup
Choose Codex if…
- You want the brand AI engines rank higher (20.9 vs 5.3)
- AI answers describe it more positively (64% vs 54% positive)
- Strong for autonomous coding tasks
- Frequently included in top AI coding shortlists
AI visibility side by side
Latest weekly run · Nov 3
| Metric | Cline | Codex |
|---|---|---|
| Visibility score | 5.3% | 20.9% |
| Change vs last week | New | New |
| Rank in AI Coding Assistants | #16 | #4 |
| Share of voice | 2.6% | 5.4% |
| Mentions this run | 13 | 28 |
| Positive in AI answers | 54% | 64% |
The stronger value in each row is marked with a ✓.
Visibility score trend
Weekly runs over the last 60 days
Cline 0pp · Codex 0pp over 0 weekly runs.
Engine by engine
Codex leads on 3 of 3 engines
ChatGPT
AI Mode
Perplexity
ClineCodex
Head to head in AI answers
8 engine answers name both brands
0Cline ranked higher
8Codex ranked higher
| Prompt | Engine | Cline | Codex |
|---|---|---|---|
| What are the best AI coding assistant tools in 2026? | ChatGPT | #8 | #4 |
| What are the best AI coding assistant tools in 2026? | AI Mode | #5 | #4 |
| What are the best AI coding assistant tools in 2026? | Perplexity | #9 | #4 |
| Top AI coding assistant options for B2B SaaS companies | Perplexity | #9 | #4 |
| Compare the leading AI coding assistant platforms | Perplexity | #11 | #4 |
| Alternatives to the most popular AI coding assistant | Perplexity | #11 | #4 |
| Official website of the top AI coding assistant vendors | ChatGPT | #17 | #2 |
| Official website of the top AI coding assistant vendors | Perplexity | #15 | #2 |
Features, pricing & fit
| Dimension | Cline | Codex |
|---|---|---|
| Pricing model | Usage-based | — |
| Entry price | Contact sales | — |
| Free plan | Yes | — |
| Deployment | Runs in your editor, terminal or own apps, with local or cloud AI models, and VPC deployments on Enterprise. | Cloud-hosted agent, with local CLI, IDE extension and desktop app surfaces. |
| Support | Community support for the open-source version, Priority and dedicated support on Enterprise, SLA on Enterprise | — |
| Founded | — | 2025 |
| Headquarters | San Francisco, CA, United States | — |
| Employees | 11–50 | — |
| Funding | Seed · $32M raised | — |
| Best for | Individual developers and teams who want an open-source agent with their own provider keys, and organizations that need SSO, audit logs and team management on Enterprise. | Software engineers who want an AI agent to handle coding tasks such as writing code and fixing bugs. |
Plans side by side
Codex
Pricing not available.
Pros and cons
Themes from the AI answers that mention each brand
Cline
- Open-source with bring-your-own API key
- Granular model control and choice of models
- Reliable handling of large codebase modifications
- Free, flexible setup
- Fits strict privacy and compliance needs with approved models
- Team must pay model-token API costs
Codex
- Strong for autonomous coding tasks
- Frequently included in top AI coding shortlists
- Enterprise-scale engineering adoption
- Deterministic multi-step task execution for OpenAI-first teams
- Delegated engineering tasks, code review, and cloud or parallel agent workflows
- Appears less consistently in enterprise analyst lists
Data collected ·ChatGPT, Perplexity, Google AI Mode·coverage 100%·next run
Cite as: SlateIndex, “Cline vs Codex”, https://slateindex.ai/compare/cline-vs-codex, data of Nov 3, 2026. Licence: CC BY 4.0.