OpenAI Codex vs Cursor
A field-by-field comparison of OpenAI Codex (OpenAI) and Cursor (Anysphere): market position, cost, models, company funding, and enterprise security. Every metric links to its source.
Add more agents to this comparison| Field | OpenAI CodexOpenAI | CursorAnysphere |
|---|---|---|
| Market | ||
| Attributed output | 5.1M PRsPublic pull requests from Codex cloud | 1.1MPublic GitHub commits attributed to Cursor |
| Output signal | Estimate | Estimate |
| Agent-opened PRs | 5.1MPublic pull requests from Codex cloud | 614KPublic pull requests from Cursor's background agent |
| Business signal | 5M+ weeklyWeekly Codex users | $4BReported annualized revenue |
| Users / reach | 5M+ weeklyWeekly Codex users | n/a |
| npm demand floor / wk | 10.3M | No public npm |
| GitHub stars | 89,162 | n/a |
| Cost | ||
| Entry price | $20/mo Plus | $20/mo Pro |
| Top self-serve | $200 | $200 |
| Pricing unit | Plan limits plus token-based credits | Included model-usage pool plus bonus capacity |
| Token transparency | Token rate card | Credit proxy |
| Cost per task (AA) | $4.33Codex, GPT-5.5 (xhigh), API retail, AA index 65.3 | $0.07Cursor CLI, Composer 2.5, API retail, AA index 62.9 |
| Break-even vs API | ~5 tasks/moChatGPT Plus at $20/mo vs $4.33/task API retail | ~286 tasks/moCursor Pro at $20/mo vs $0.07/task API retail |
| Product | ||
| Surfaces | CLI, Cloud, Desktop, IDE, Web, Mobile | IDE, CLI, Cloud, Web |
| Model families | GPT-5.5, GPT-5.4, GPT-5.3-Codex, GPT-5.3-Codex-Spark | Auto, GPT, Claude, Gemini, DeepSeek, Grok, Cursor models |
| Providers | OpenAI | OpenAI, Anthropic, Google, DeepSeek, xAI, Cursor |
| MCP | Yes | Yes |
| BYOK | Yes | Yes |
| License | Open source | Proprietary |
| Company | ||
| Ownership | Private | Private |
| Founded | 2015 | 2022 |
| Headquarters | San Francisco, CA | San Francisco, CA |
| Total raised | ~$180B | ~$3.4B |
| Most recent round | Series G, $122B (Mar 2026) | Series D, $2.3B (Nov 2025) |
| Enterprise | ||
| SSO / SCIM | Yes | Yes |
| Compliance | SOC 2 Type II, GDPR, CSA STAR | SOC 2 Type II |
| Deployment | Cloud-only | Cloud-only |
| Trains on your code | Not trained on your code | Not trained on your code |
| Zero data retention | Enterprise tier | Yes |