DeepSeek V3.2 vs GPT-5.3-Codex
DeepSeek V3.2 leads in 4 of 8 categories
Arena ELO
DeepSeek V3.2
Cheaper
DeepSeek V3.2
Faster
DeepSeek V3.2
Detailed Comparison
| Category | DeepSeek V3.2 | GPT-5.3-Codex |
|---|---|---|
| Provider | DeepSeek | OpenAI |
| Context Window | 128K | 128K |
| Input Price ($/1M) | $0.27 WIN | $1.75 |
| Output Price ($/1M) | $1.1 WIN | $14 |
| Arena ELO | 1380 WIN | N/A |
| Coding | unknown | N/A |
| Reasoning | unknown | N/A |
| Speed (tokens/sec) | ~80 t/s WIN | N/A |
| Open Source | Yes | No |
Frequently Asked Questions
Which is cheaper, DeepSeek V3.2 or GPT-5.3-Codex?
DeepSeek V3.2 is approximately 91% cheaper than GPT-5.3-Codex per million tokens.
Which is better for coding, DeepSeek V3.2 or GPT-5.3-Codex?
DeepSeek V3.2 scores unknown on coding benchmarks, while GPT-5.3-Codex scores N/A.
Which has a larger context window?
DeepSeek V3.2 supports 128K context, while GPT-5.3-Codex supports 128K.
Is DeepSeek V3.2 or GPT-5.3-Codex open source?
DeepSeek V3.2 is open source. GPT-5.3-Codex is proprietary.
Related Articles
DeepSeek V4 Flash turns Agent work cheap
DeepSeek V4 Flash Is Repricing the Post-Coding-Plan Era
DeepSeek’s low-cost chatbot changed AI pricing
5 steps to connect Codex with DeepSeek
Why Claude Code Should Use DeepSeek v4 for 1M Context
Why DeepSeek V4 plus Claude Code is the wrong way to judge coding mod…
More Comparisons
DeepSeek V3.2 vs Claude Opus 4.5DeepSeek V3.2 vs Llama 4 ScoutDeepSeek V3.2 vs Claude Haiku 4.5DeepSeek V3.2 vs Qwen 3.6DeepSeek V3.2 vs Kimi K2.7 CodeDeepSeek V3.2 vs MiniMax H3DeepSeek V3.2 vs Llama 4 MaverickDeepSeek V3.2 vs Gemma 4GPT-5.3-Codex vs Claude Opus 4.5GPT-5.3-Codex vs Llama 4 ScoutGPT-5.3-Codex vs Claude Haiku 4.5GPT-5.3-Codex vs Qwen 3.6GPT-5.3-Codex vs Kimi K2.7 CodeGPT-5.3-Codex vs MiniMax H3GPT-5.3-Codex vs Llama 4 MaverickGPT-5.3-Codex vs Gemma 4