Side-by-side comparison of OpenAI Codex CLI (OpenAI) and DeepSeek R1 (DeepSeek) — benchmarks, pricing, and capabilities.
| OpenAI Codex CLI OpenAI | DeepSeek R1 DeepSeek | |
|---|---|---|
| Category | AI Agents | LLMs |
| Specifications | ||
| Context Window | — | 128K |
| Pricing (per 1M tokens) | ||
| Input Cost | — | $0.55 |
| Output Cost | — | $2.19 |
| Performance | ||
| Overall Score | 84.0 | 92.0 |
| BigBench Hard | — | 89.0 |
| GSM8K | — | 97.3 |
| HumanEval | — | 90.5 |
| MATH | — | 93.5 |
| MMLU | — | 90.8 |
| Community | ||
| User Rating | ★ 4.1 | ★ 4.6 |
| Reviews | 195 | 480 |