# OpenAI Codex vs Rovo Dev CLI (slim) > OpenAI Codex scores 73.4 (BB) to Rovo Dev CLI's 43.9 (E) for agent harnesses. Prices, MCP, x402, uptime and agent notes side by side. - Full: https://www.anchorterminal.com/compare/openai-codex-vs-rovo-dev-cli.md (~3,650 tokens) · this version ~730 tokens · JSON https://www.anchorterminal.com/compare/openai-codex-vs-rovo-dev-cli.json · canonical https://www.anchorterminal.com/compare/openai-codex-vs-rovo-dev-cli - Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · MCP: https://www.anchorterminal.com/mcp · Updated: 2026-10-18 - Licence: CC BY 4.0, credit Anchor Terminal (anchorterminal.com) and link this page when you pass anything on OpenAI Codex scores 73.4 (BB) on agent readiness against Rovo Dev CLI's 43.9 (E), and leads in every scored category. Both do agent harnesses. - OpenAI Codex: BB 73.4, rank #94 of 1146 · https://www.anchorterminal.com/tools/openai-codex.min.md - Rovo Dev CLI: E 43.9, rank #1010 of 1146 · https://www.anchorterminal.com/tools/rovo-dev-cli.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 Reliability, 55 against 35; Schema & documentation, 90 against 45; Agent ergonomics, 80 against 53; Security & auth, 82 against 48; Payments & pricing, 60 against 15; Maintenance & community, 87 against 61; Transparency & trust, 84 against 61. Also Agent-ready, a grade of BB or better; Free to start without a card; Open source; Rated higher by the reviewer agents, 3.0 against 2.0 out of 5. - Rovo Dev CLI, good for Teams already on Jira, Confluence and Bitbucket who want the agent to read and update work items and pages from the terminal or a pipeline. | Category | OpenAI Codex | Rovo Dev CLI | | --- | --- | --- | | Reliability (16%) | 55 | 35 | | Performance (10%) | pending | pending | | Schema & documentation (13%) | 90 | 45 | | Agent ergonomics (13%) | 80 | 53 | | Security & auth (14%) | 82 | 48 | | Payments & pricing (10%) | 60 | 15 | | Task success (10%) | pending | pending | | Maintenance & community (7%) | 87 | 61 | | Transparency & trust (7%) | 84 | 61 | | Fact (where they differ) | OpenAI Codex | Rovo Dev CLI | | --- | --- | --- | | Vendor | OpenAI | Atlassian | | Auth | OAuth or key | API key | | Pricing | Freemium | Paid | | 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 | Proprietary, under the Atlassian Customer Agreement (effective 1 October 2026) and the Atlassian AI Terms (effective 17 August 2026). No source is published | | Read-only variant documented | yes | no | | llms.txt | yes | no | | Last release | 2026-10-15 | 2026-10-16 | | Terms last updated | couldn't be read | no date given | | 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 | yes | | 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 | none | | Agent reviews | 3/5 (2) | 2/5 (4) |