Codex vs Qodo: How They Actually Differ
Codex fits a solo builder who wants one agent to follow them across the terminal, IDE, and GitHub, with a free entry point. Qodo fits a developer who cares more about automated tests and code review inside VS Code or JetBrains than about a coding agent that spans surfaces.
Compiled 2026-08-25 from our catalogue entries for Codex and Qodo.
The short answer
- Pick Codex if
- You want one agent that runs in the CLI, IDE, desktop, and cloud, plus a cloud code review on GitHub pull requests, and you want a documented $0/month starting point.
- Pick Qodo if
- You want automated test generation and in-editor code review, you work in VS Code or JetBrains, and you do not need a standalone CLI.
- Cheapest way in
- Codex lists a Free plan at $0/month. Qodo's lowest documented plan is Pro Team at $.012 per credit on 2,500 credits per month; no free tier is listed on the sheet.
- What we could not compare
- Qodo's exact monthly dollar total (only the per-credit rate and credit counts are listed). Codex's Business and Enterprise pricing, which is not published. Qodo's underlying AI model, which is not on the sheet. Any side-by-side measure of review or test-generation quality.
Codex is OpenAI's coding agent, built to follow one agent across multiple surfaces. The same agent runs in a terminal CLI, an IDE extension, a desktop app, and a cloud environment, and it can spin up a cloud code review on a GitHub pull request that comments inline and proposes fixes. It reads the shared AGENTS.md instructions file and supports MCP tools. Pricing is freemium: a Free tier at $0/month, Go at $8/month, Plus at $20/month, Pro 5x at $100/month, Pro 20x at $200/month, plus an API Key Pay option billed per token. Business and Enterprise pricing is not published.
Qodo, formerly CodiumAI, sits on the review-and-test side of the category. It offers automated test generation for source files and in-editor code review through a VS Code extension, a JetBrains plugin, and a web interface; the sheet does not list a standalone CLI. Plans are documented as Pro Team tiers at $.012 per credit across 2,500, 5,000, and 20,000 monthly credit buckets, with an Enterprise custom plan for 30 or more users. The sheet notes the free tier is limited under the freemium model.
Side by side
Every cell is a field on our catalogue entry for that tool, copied as recorded. Rows where the two differ come first; blank fields say so rather than being filled in.
| Codex | Qodo | |
|---|---|---|
| Starts at | Free — $0 /month | Pro Team (2,500 credits) — $.012/credit (2,500 credits/mo) |
| Runs on | web, mac, win, linux, cli, vscode-ext | vscode-ext, jetbrains-plugin, web |
| Category | AI Coding Agents | AI Coding Agents |
| Pricing model | Freemium | Freemium |
| Public source code | No public repo listed | No public repo listed |
| Public docs | Not listed | Not listed |
- Public source code: From the repository link on each catalogue entry, not a licence audit.
What each one costs
Headline plans copied from our own verified pricing pages — Codex read 2026-08-21, Qodo read 2026-08-24. Follow either link below for the full tier breakdown and its source.
| Codex | Qodo | |
|---|---|---|
| Entry plan | Free — $0 /month | Pro Team (2,500 credits) — $.012/credit (2,500 credits/mo) |
| Plan 2 | Go — $8 /month | Pro Team (5,000 credits) — $.012/credit (5,000 credits/mo) |
| Plan 3 | Plus — $20 /month | Pro Team (20,000 credits) — $.012/credit (20,000 credits/mo) |
| Plan 4 | Pro 5x — $100 /month | Enterprise — Custom plan (30+ users) |
Where Codex is the better fit
- One agent runs across CLI, IDE, desktop, and cloud, so work moves between surfaces.
- Cloud code review on GitHub pull requests that comments inline and proposes fixes.
- Reads the shared AGENTS.md standard, supports MCP tools, and is included from ChatGPT's free tier up through Pro.
Where Qodo is the better fit
- Automated test generation for source code files, positioned as a code-integrity tool.
- In-editor review and test generation through a VS Code extension.
- JetBrains plugin alongside the VS Code option, plus a web interface for reviewing code and tests.
Which one should you pick?
It lists CLI, mac, win, and linux, runs one agent across surfaces, and includes a GitHub PR code review, with a $0/month Free tier to start.
It lists a VS Code extension with in-editor code review and automated test generation for source files.
It lists a JetBrains plugin among its platforms. Codex's listed platforms do not include JetBrains on the sheet.
It documents a Free plan at $0/month and a CLI plus IDE plus cloud workflow on the same agent.
Frequently asked questions
- Which tool has a documented free tier?
- Codex lists a Free plan at $0/month. Qodo's sheet starts at a paid Pro Team plan and only notes that the free tier is limited under the freemium model.
- Can either one run in the terminal?
- Codex lists CLI, mac, win, and linux among its platforms. Qodo does not list a standalone CLI; access is through the VS Code extension, JetBrains plugin, or web app.
- Which supports JetBrains?
- Qodo lists a JetBrains plugin. Codex's listed platforms are web, mac, win, linux, cli, and vscode-ext; JetBrains is not on the sheet.
- Do either of them generate tests?
- Qodo lists automated test generation for source code files. The Codex fact sheet does not mention test generation.
- Can Codex use non-OpenAI models?
- The sheet says Codex is locked to OpenAI's GPT models, with no Claude or Gemini out of the box.
What we compared
This page states nothing that is not in the two catalogue entries below. The exact text used to write it is reproduced here so you can check our reading, and both tools link through to their own pages and to the vendor.
- /tools/codex — checked 2026-07-02 · official site
- /tools/qodo — checked 2026-06-13 · official site
Show the source text
## Codex (/tools/codex) Tagline: OpenAI's coding agent — works in the terminal, IDE, and cloud, reviews GitHub pull requests, and runs on GPT-5 models. Category: AI Coding Agents Pricing model: freemium Starts at: Free — $0 /month Platforms: web, mac, win, linux, cli, vscode-ext Public repo: none listed Docs: none listed Verified plans (read 2026-08-21): Free $0 /month | Go $8 /month | Plus $20 /month | Pro 5x $100 /month | Pro 20x $200 /month | Business / Enterprise Not published | API Key Pay only for the tokens Codex uses, based on API pricing Strengths on file: Runs one agent across CLI, IDE, desktop, and cloud — work moves between surfaces.; Strong GitHub integration: a cloud code review on a pull request that catches real bugs and proposes fixes.; Reads the shared AGENTS.md standard and supports MCP tools.; Included with ChatGPT plans, from the free tier up through Pro. Limits on file: Locked to OpenAI's GPT models — no Claude or Gemini out of the box.; Fewer built-in customization primitives (hooks, sub-agents) than some rivals. Codex is OpenAI's agentic coding tool. It runs the same agent across a terminal CLI, an IDE extension, a desktop app, and a cloud environment, so work started in one surface can continue in another. It reads the shared AGENTS.md instructions file, speaks the Model Context Protocol (MCP), and can spin up a cloud code review on a GitHub pull request that comments inline and proposes fixes. Codex runs on OpenAI's GPT models — currently GPT-5.5 as the recommended frontier model — and is included with ChatGPT plans, from the free tier up through Pro. ## Qodo (/tools/qodo) Tagline: AI code review and test generation platform, formerly CodiumAI, focused on code integrity. Category: AI Coding Agents Pricing model: freemium Starts at: Pro Team (2,500 credits) — $.012/credit (2,500 credits/mo) Platforms: vscode-ext, jetbrains-plugin, web Public repo: none listed Docs: none listed Verified plans (read 2026-08-24): Pro Team (2,500 credits) $.012/credit (2,500 credits/mo) | Pro Team (5,000 credits) $.012/credit (5,000 credits/mo) | Pro Team (20,000 credits) $.012/credit (20,000 credits/mo) | Enterprise Custom plan (30+ users) Strengths on file: Available as a VS Code extension for in-editor code review and test generation.; Available as a JetBrains IDE plugin.; Provides automated test generation for source code files.; Offers a web-based interface for reviewing code and tests. Limits on file: Free tier usage is limited under the freemium pricing model.; No standalone CLI is offered; access requires the VS Code extension, JetBrains plugin, or web app. Qodo is an AI code-review and test-generation platform — formerly CodiumAI — focused on code integrity. Its focus is quality, not just writing code: automated test generation for your source files plus code review, available as a VS Code extension, a JetBrains plugin, or a web interface for reviewing code and tests. It's for developers and teams who want AI aimed at tests and review rather than raw completion. Two notes: the free tier is limited under a freemium model, and there's no standalone CLI — access is through the VS Code extension, JetBrains plugin, or web app. It sits on the review-and-test side, next to PR reviewers like CodeRabbit and Greptile, rather than the completion tools.
Change log
- 2026-08-25 — First published, compiled from the catalogue entries for Codex and Qodo.