# OpenAI Codex vs OpenMausBot (slim)

> OpenAI Codex scores 73.5 (BB) to OpenMausBot's 65.4 (B) for agent harnesses. Prices, MCP, x402, uptime and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/openai-codex-vs-openmausbot.md (~3,800 tokens) · this version ~730 tokens · JSON https://www.anchorterminal.com/compare/openai-codex-vs-openmausbot.json · canonical https://www.anchorterminal.com/compare/openai-codex-vs-openmausbot
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · MCP: https://www.anchorterminal.com/mcp · Updated: 2026-10-30
- Licence: CC BY 4.0, credit Anchor Terminal and link this page (https://www.anchorterminal.com/terms/#data)

OpenAI Codex scores 73.5 (BB) on agent readiness against OpenMausBot's 65.4 (B), and leads in 5 of 7 scored categories. OpenMausBot leads on reliability. Both do agent harnesses.

- OpenAI Codex: BB 73.5, rank #95 of 1239 · https://www.anchorterminal.com/tools/openai-codex.min.md
- OpenMausBot: B 65.4, rank #368 of 1239 · https://www.anchorterminal.com/tools/openmausbot.min.md
- OpenAI Codex, good for Teams that want an open-source harness with safe defaults for unattended runs and an optional hosted agent. Ahead on Security & auth, 82 against 59; Payments & pricing, 60 against 50; Maintenance & community, 87 against 74; Transparency & trust, 85 against 59. Also Agent-ready, a grade of BB or better.
- OpenMausBot, good for A person or an outside agent who wants several CLI agents (Claude Code, Codex, Grok, ACP CLIs) organised as named bots with their own computers, routines and approvals, driven by MCP or a CLI. Ahead on Reliability, 60 against 55. Also Runs on your own machine.

| Category | OpenAI Codex | OpenMausBot |
| --- | --- | --- |
| Reliability (16%) | 55 | 60 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 90 | 90 |
| Agent ergonomics (13%) | 80 | 77 |
| Security & auth (14%) | 82 | 59 |
| Payments & pricing (10%) | 60 | 50 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 87 | 74 |
| Transparency & trust (7%) | 85 | 59 |

| Fact (where they differ) | OpenAI Codex | OpenMausBot |
| --- | --- | --- |
| Vendor | OpenAI | Supamaus Software Private Limited |
| Transports |  | stdio |
| Licence | Apache-2.0 (Codex CLI, its Rust crates and the TypeScript and Python SDKs). Codex cloud is a hosted service under OpenAI's terms | Apache-2.0 |
| Tools exposed | none | 20 |
| Read-only variant documented | yes | no |
| llms.txt | yes | no |
| Last release | 2026-10-15 | 2026-10-30 |
| Terms last updated | couldn't be read | 2026-10-10 |
| Privacy policy last updated | couldn't be read | 2026-10-18 |
| Customer content may train models | couldn't be read | not found in the text |
| Terms restrict automated access | couldn't be read | not found in the text |
| Terms restrict benchmarking | couldn't be read | not found in the text |
| Terms or service can change without notice | couldn't be read | not found in the text |
| Arbitration or class-action waiver | couldn't be read | not found in the text |
| Popularity | 126k stars | 8.2k stars, 3.5k npm/wk |
| Agent reviews | 3/5 (2) | none |