Updated for 2026

ClinevsChatGPT Codex

Not sure which fits your workflow in 2026? Compare pricing, features, and trade-offs — then switch tools below to explore more options in this category.

Category
Tool A
Tool B

ai-ide

Cline

Cline is a widely used open-source VS Code coding agent with autonomous edits, terminal tools, MCP, and bring-your-own models. One of the most popular AI coding tools on VS Code.

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ai-ide

ChatGPT Codex

ChatGPT Codex is an AI programming agent launched by OpenAI. It can autonomously understand code repositories, write code, fix bugs, run tests, and complete full software development tasks. However, it lacks code completion functionality and a professional coding interface.

Visit ChatGPT Codex

Basics

FeatureClineChatGPT Codex
Released20242025
CompanyClineOpenAI
CountryUnited StatesUnited States
Region / AvailabilityGlobalGlobal (OpenAI service availability)，excluding mainland China and Hong Konghttps://help.openai.com/en/articles/7947663-chatgpt-supported-countries

Pricing comparison

PlanClineChatGPT Codex
Modelopen-sourcefreemium
Free tierYesYes
Starts at$0/mo$8/mo
Plan 1Open Source: FreeFree: $0Experience ChatGPT's core capabilities for free, ideal for casual users and first-time AI explorers.
Plan 2ClinePass: $9.99/moCline's official paid plan includes multiple built-in models.Go: $8/moA budget-friendly plan offering higher usage limits and a smoother ChatGPT experience.
Plan 3Model usage: 自定义模型价格Pay your model providerPlus: $20/moThe flagship plan for individuals, unlocking more powerful models, Codex, and advanced AI features.
Plan 4—Pro: $100/moBuilt for power users, delivering the highest usage limits and the full suite of AI agent capabilities.
Plan 5—Team: $20/user/moDesigned for teams with shared workspaces, enterprise-grade security, and organizational knowledge management.

Feature checklist

FeatureClineChatGPT Codex
Visual IDE UI✓✓
OS PlatformsmacOS / Windows / Linux (via VS Code)macOS / Windows / Linux / android / iOShttps://chatgpt.com/download/
Third-party Models✓https://cline.bot/models✗ (Can only use the ChatGPT model)
MCP / Plugins✓✓
Skills Support✓✓
VS Code Extension✓✓
JetBrains Plugin✓https://plugins.jetbrains.com/plugin/28247-cline✓https://blog.jetbrains.com/ai/2026/01/codex-in-jetbrains-ides/
AI Autocomplete✗ (Not supported, but can be paired with completion plugins like Copilot or Continue for support.)✗
Chat / Inline Agent✓✓
Multi-file Edit✓✓
Codebase Indexing✓✓
Terminal Integration✓https://cline.bot/cli✓
Local LLM Support✓✗
Open Source✓https://github.com/cline/cline✗ (The Codex desktop app is closed-source, but the Codex CLI is open-source)https://github.com/openai/codex
Team Collaboration✗✓
Privacy Mode✓✓
VS Code Compatible✓✗
Autonomous Agent✓✓
Git Integration✓✓
Use CaseVS Code agent extension for autonomous edits with bring-your-own modelsOpenAI Codex / ChatGPT coding agent for building and refactoring software

Pros & cons

Cline

  • Open-source ai agent inside VS Code
  • Custom models and MCP are highly flexible
  • Active community and fork ecosystem
  • Not a standalone IDE — requires VS Code
  • Setup and guardrails are more DIY
  • UX polish trails commercial AI IDEs

ChatGPT Codex

  • Backed by OpenAI frontier models
  • Strong autonomous coding / task agent workflows
  • Multi-agent collaboration / Long-running and complex tasks
  • Environmental autonomy and security sandbox
  • Branding overlaps with ChatGPT chat — easy to confuse
  • Lacking a professional coding interface like classic VS Code
  • Can only use the ChatGPT model, unable to add models from other providers

Dimension scores

Editorial 0–10 scores across shared dimensions — higher is better for that axis.

DimensionClineChatGPT Codex
Capability
8.2
9.0
Privacy
9.0
6.7
Value
9.5
7.5
Depth
7.5
8.6
Ecosystem
7.0
9.0
DX
7.5
8.8
CapabilityPrivacyValueDepthEcosystemDX
  • Cline
  • ChatGPT Codex

FAQ

Is Cline better than ChatGPT Codex? (2026)

It depends on workflow. Cline emphasizes open-source coding agent that runs as a vs code extension with mcp and byo models. ChatGPT Codex emphasizes chatgpt codex is a professional ai coding agent launched by openai. Use the feature checklist above for your stack.

Which use cases fit Cline vs ChatGPT Codex?
  • Cline: VS Code agent extension for autonomous edits with bring-your-own models
  • ChatGPT Codex: OpenAI Codex / ChatGPT coding agent for building and refactoring software
What are the main differences between Cline and ChatGPT Codex?
  • OS Platforms: Cline (macOS / Windows / Linux (via VS Code)) vs ChatGPT Codex (macOS / Windows / Linux / android / iOS)
  • Third-party Models: Cline (yes) vs ChatGPT Codex (no (Can only use the ChatGPT model))
  • Local LLM Support: Cline (yes) vs ChatGPT Codex (no)
  • Open Source: Cline (yes) vs ChatGPT Codex (no (The Codex desktop app is closed-source, but the Codex CLI is open-source))
  • Team Collaboration: Cline (no) vs ChatGPT Codex (yes)
How do Cline and ChatGPT Codex compare on pricing?

Cline pricing overview:

  • Has a free tier
  • Pricing model: open source
  • Starting from ~$0/mo
  • Plan Open Source: Free
  • Plan ClinePass: $9.99/mo
  • Plan Model usage: 自定义模型价格

ChatGPT Codex pricing overview:

  • Has a free tier
  • Pricing model: freemium
  • Starting from ~$8/mo
  • Plan Free: $0
  • Plan Go: $8/mo
  • Plan Plus: $20/mo

Always verify current prices on the vendor site before buying.

Do Cline and ChatGPT Codex offer a free tier?
  • Cline: Has a free tier
  • ChatGPT Codex: Has a free tier
Are Cline and ChatGPT Codex open source?
  • Cline: yes
  • ChatGPT Codex: no (The Codex desktop app is closed-source, but the Codex CLI is open-source)
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Related alternatives

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ChatGPT Codex alternatives

Disclaimer:Not Financial or Investment Advice, Educational/Dev Tool Comparison Only. Information may change; always verify pricing on the vendor site before purchasing.