# Cursor Agent vs GPT-5 Codex (2026): Benchmarks, Price & Verdict | Alher Tech

> Cursor Agent vs GPT-5 Codex: head-to-head 2026 comparison across Arena Elo, MMLU, GPQA, HumanEval, context window and pricing. Verdict + use cases.

- Canonical page: https://alhertech.com/en/ai-comparison/cursor-agent-vs-gpt-5-codex/
- Site: Alher Tech (custom software, AI agents and SEO engineering, https://alhertech.com/)
- Contact: https://alhertech.com/en/contact/

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|  | Cursor Agent | GPT-5 Codex |
| --- | --- | --- |
| arenaElo | 1378 | 1395 |
| humanEval | 91.2 | 94.8 |
| sweBench | 62 | 68 |
| mmlu | 88.7 | 87.2 |
| gpqa | 59.4 | 58.4 |
| aime | 85 | 85 |
| Price in/out ($/M) | $0 / $0 | $8 / $32 |

## Our verdict

Cursor routes to multiple models and shines on SaaS UIs; GPT-5 Codex is the raw coding brain you can call from your own pipeline. Startups shipping their first B2B SaaS should default to Cursor. Agencies automating PR generation across client SaaS repos should wire GPT-5 Codex directly.

[Cursor Agent](https://alhertech.com/en/ai-comparison/cursor-agent/) · [GPT-5 Codex](https://alhertech.com/en/ai-comparison/gpt-5-codex/) · [All AI model comparisons](https://alhertech.com/en/ai-comparison/)