Coding agents
Codex alternatives
Codex (OpenAI) belongs to the “Coding agents” category of the OrigoTech directory, which lists 6 other tools. The table repeats the information from their tool pages; each row links to the tool page and to the head-to-head comparison with Codex.
According to their tool pages, among these 6 tools: 3 open source, 5 free or freemium and 5 with MCP support.
Tool page data · Verified
The alternatives at a glance
| Compared tools | Vendor | Pricing | License | Platforms | MCP support | Context window | Comparison |
|---|---|---|---|---|---|---|---|
| Claude Code | Anthropic | Paid | Proprietary | CLI, IDE, Desktop, Web, Mobile | Yes | Up to 1M tokens depending on the model (source: code.claude.com/docs/en/model-config) | Claude Code vs Codex |
| GitHub Copilot | GitHub | Freemium | — | IDE, CLI, Web, Mobile | Yes | Depends on the selected model (up to 1 million tokens on recent models) | Codex vs GitHub Copilot |
| OpenCode 2.0 | OpenCode (open source) | Free | MIT | CLI, Desktop | Yes | Depends on the selected model and provider | Codex vs OpenCode 2.0 |
| Aider | Aider (open source) | Free | Apache-2.0 | CLI | — | Depends on the model and provider | Aider vs Codex |
| Cline | Cline Bot Inc. | Free | Apache-2.0 | IDE, CLI, Desktop | Yes | Depends on the model and provider | Cline vs Codex |
| Junie | JetBrains | Freemium | Proprietary | CLI, IDE, CI/CD | Yes | Depends on the chosen model | Codex vs Junie |
“—”: information not filled in on the tool page.
What sets each alternative apart from Codex
Claude Code
- Codex is published by OpenAI, Claude Code by Anthropic.
- Pricing model: freemium for Codex, paid for Claude Code.
- License: Codex CLI under Apache-2.0 for Codex, Proprietary for Claude Code.
- GitHub repository: 130,181 stars for Codex, 152,673 for Claude Code (as of October 20, 2026).
GitHub Copilot
- Codex is published by OpenAI, GitHub Copilot by GitHub.
- Platforms only Codex offers: Desktop.
- Only Codex has a repository on our GitHub repos page (130,181 stars, as of October 20, 2026).
- Plans listed on the tool pages: 6 for Codex, 4 for GitHub Copilot.
OpenCode 2.0
- Codex is published by OpenAI, OpenCode 2.0 by OpenCode (open source).
- Pricing model: freemium for Codex, free for OpenCode 2.0.
- License: Codex CLI under Apache-2.0 for Codex, MIT for OpenCode 2.0.
- Platforms only Codex offers: IDE, Web, Mobile.
Aider
- Codex is published by OpenAI, Aider by Aider (open source).
- Pricing model: freemium for Codex, free for Aider.
- License: Codex CLI under Apache-2.0 for Codex, Apache-2.0 for Aider.
- Platforms only Codex offers: IDE, Web, Desktop, Mobile.
Cline
- Codex is published by OpenAI, Cline by Cline Bot Inc.
- Pricing model: freemium for Codex, free for Cline.
- License: Codex CLI under Apache-2.0 for Codex, Apache-2.0 for Cline.
- Platforms only Codex offers: Web, Mobile.
Junie
- Codex is published by OpenAI, Junie by JetBrains.
- License: Codex CLI under Apache-2.0 for Codex, Proprietary for Junie.
- Platforms only Codex offers: Web, Desktop, Mobile.
- Platforms only Junie offers: CI/CD.
In the neighbouring “AI IDEs” category
Tools from a related category, without a head-to-head comparison (different categories):
- Cursor (Anysphere)
- Devin Desktop (formerly Windsurf) (Cognition)
- Qoder (Alibaba Cloud)
- Zed (Zed Industries)
Sources
- OpenAI: 4 million weekly users (April 2026)
- OpenAI: Leader in the 2026 Gartner Magic Quadrant
- OpenAI: Codex pricing
- Codex CLI on GitHub (Apache-2.0 licence)
- Gartner: 2026 Magic Quadrant (Virtualization Review)
- Stack Overflow: 2026 survey, AI data
- Anthropic: Claude pricing
- Claude Code: model configuration (context)
- Microsoft: fiscal 2026 Q2 earnings
- GitHub: Copilot plans
- OpenCode: changelog
- npm: @opencode/cli package (2.x releases)
- GitHub: OpenCode 1.19.0 (v2 upgrade)
- OpenCode: Zen documentation (pricing)
- Aider: official site
- GitHub: Aider-AI/aider repository (Apache-2.0 license)
- GitHub: release v0.86.0 (Aug 9, 2025)
- Cline: pricing
- GitHub: cline/cline repository (Apache-2.0 license)
- GitHub: Cline releases
- Junie: official site and pricing (verified 2026-10-20)
- GitHub: JetBrains/junie repository (license) (verified 2026-10-20)
- JetBrains: Junie in IDEs and MCP tools (verified 2026-10-20)
- Junie: documentation (verified 2026-10-20)