# Kilo Code vs OpenAI Codex

> Kilo Code: Open-source AI coding agent for VS Code, JetBrains and CLI with 500+ models
> OpenAI Codex: OpenAI's coding agent that writes, reviews and runs code from terminal, IDE, desktop or cloud

- Kilo Code profile: https://finderatlas.com/tools/kilo-code
- OpenAI Codex profile: https://finderatlas.com/tools/openai-codex
- Comparison page: https://finderatlas.com/compare/kilo-code-vs-openai-codex
- Last reviewed: October 2026

## Verdict

Kilo Code and OpenAI Codex are both Coding AI tools. OpenAI Codex scores higher in FinderAtlas's editorial review (8.5 vs 8.0 out of 10), led by ease of use. Both have a free plan or trial. Only Kilo Code is available on iOS, Android and Slack App. Only OpenAI Codex offers an API.

### Choose Kilo Code if

- You want a tool built for developers who want to choose their own models and providers, pay provider rates without markup, and keep an auditable open-source agent inside their existing IDE.
- MIT-licensed and open source, with a public GitHub repository of more than 27,000 stars.
- Access to 500+ models across 60+ providers with no stated inference markup.

### Choose OpenAI Codex if

- You want a tool built for delegating coding tasks to an agent.
- Included with ChatGPT plans, with a free tier and an $8 Go tier.
- Open-source CLI under the Apache-2.0 license.

## Pricing

| | Kilo Code | OpenAI Codex |
| --- | --- | --- |
| Pricing model | Freemium | Freemium |
| Free plan or trial | Yes | Yes |
| Starting price | $0 | $0 |

## Features

| Feature | Kilo Code | OpenAI Codex |
| --- | --- | --- |
| Multi-Environment Agent | Yes | Not listed |
| 500+ Models | Yes | Not listed |
| Auto Model | Yes | Not listed |
| Specialised Modes | Yes | Not listed |
| MCP Support | Yes | Not listed |
| Cloud Agents and Code Review | Yes | Not listed |
| Parallel Agent Management | Yes | Not listed |
| Mobile Companion App | Yes | Not listed |
| Open Source and Transparent | Yes | Not listed |
| Codex CLI | Not listed | Yes |
| IDE extension | Not listed | Yes |
| Desktop app | Limited | Yes |
| Cloud tasks | Not listed | Yes |
| Code review | Not listed | Yes |
| Non-interactive mode | Not listed | Yes |
| MCP, skills and plugins | Not listed | Yes |
| Subagents and web search | Not listed | Yes |
| Session resume and images | Not listed | Yes |
| Mobile remote control | Not listed | Yes |

## Platforms

| Platform | Kilo Code | OpenAI Codex |
| --- | --- | --- |
| Web | Yes | Yes |
| Windows | Yes | Yes |
| macOS | Yes | Yes |
| iOS | Yes | No |
| Android | Yes | No |
| API | No | Yes |
| Browser Extension | No | No |
| Linux | Yes | Yes |
| VS Code Extension | Yes | Yes |
| JetBrains Plugin | Yes | Yes |
| CLI | Yes | Yes |
| Slack App | Yes | No |

## Kilo Code strengths

- MIT-licensed and open source, with a public GitHub repository of more than 27,000 stars.
- Access to 500+ models across 60+ providers with no stated inference markup.
- Works in VS Code, JetBrains and the terminal, plus cloud agents, Slack and mobile.
- Supports bring-your-own-key and local models, which avoids lock-in to one provider.
- Teams plan is $15 per user per month with shared agents and analytics.

## Kilo Code limitations

- Costs are usage-based, so spend is less predictable than a flat subscription.
- A 5% processing fee applies to credit purchases.
- Trustpilot reviewers report billing and refund disputes, including an unexpected renewal charge and a declined refund on purchased credits.
- The desktop app is in beta, and some reviewers cite bugs and rate-limit issues.

## OpenAI Codex strengths

- Included with ChatGPT plans, with a free tier and an $8 Go tier
- Open-source CLI under the Apache-2.0 license
- Available in the terminal, VS Code-based editors, the ChatGPT desktop app and the cloud
- Supports MCP, skills, plugins and subagents
- API-key option lets teams pay at API rates instead of a subscription

## OpenAI Codex limitations

- Plus has message limits per five hours that vary widely by model
- Cloud features are not available on the API Key plan
- Higher usage needs Pro, which starts at $100 per month
- Free and Go plans offer only GPT-6 Luna in the desktop app

## FAQ

**Is Kilo Code better than OpenAI Codex?**

It depends on your workflow. Kilo Code is built for developers who want to choose their own models and providers, pay provider rates without markup, and keep an auditable open-source agent inside their existing IDE. OpenAI Codex is built for delegating coding tasks to an agent.

**What are the key feature differences between Kilo Code and OpenAI Codex?**

Kilo Code: Open-source AI coding agent for VS Code, JetBrains and CLI with 500+ models. OpenAI Codex: OpenAI's coding agent that writes, reviews and runs code from terminal, IDE, desktop or cloud.

**Does Kilo Code or OpenAI Codex have a free plan?**

Yes, both do. Kilo Code is freemium and OpenAI Codex is freemium, and each has a free plan or trial.

**Which is cheaper, Kilo Code or OpenAI Codex?**

Both can be used for free. Paid plans differ in limits and features, so compare the tiers in the pricing table above.