DeepSeek V3.2 vs GPT-5.4 nano
| Spec | DeepSeek V3.2 | GPT-5.4 nano |
|---|---|---|
| Respan Index | 26.3 (#96) | 23.8 (#98) |
| Blended price per 1M | $0.29 | $0.463 |
| Context window | 131K | 400K |
| Input / output per 1M | $0.26 / $0.38 | $0.2 / $1.25 |
| Max output | 66K | 128K |
| Input | text | text, vision |
| Released | 2025-12-01 | 2026-03-17 |
Respan Index by category
Each category is scored 0 to 100, and how far ahead the winner is. Leads under a point are close to even.
| Category | DeepSeek V3.2 | GPT-5.4 nano |
|---|---|---|
| Coding | 8.8 DeepSeek V3.2 | 9.2 GPT-5.4 nano |
| Agents | 31.3 DeepSeek V3.2 | 21.5 GPT-5.4 nano |
| Reasoning | 27.4 DeepSeek V3.2 | 32.0 GPT-5.4 nano |
| Knowledge & language | 20.1 DeepSeek V3.2 | 13.2 GPT-5.4 nano |
| Human preference | 49.6 DeepSeek V3.2 | 45.2 GPT-5.4 nano |
Benchmarks both report
They split the 2 benchmarks both report evenly. Higher is better. Each score links to where it was published.
| Benchmark | DeepSeek V3.2 | GPT-5.4 nano |
|---|---|---|
| LMArena Elo | 1425 | 1401 |
| GPQA Diamond | 82.4% | 82.8% |
FAQ
Is DeepSeek V3.2 better than GPT-5.4 nano?
DeepSeek V3.2 scores 26.3 on the Respan Index (#96), ahead of GPT-5.4 nano at 23.8 (#98). They split the 2 benchmarks both report evenly.
Which is cheaper, DeepSeek V3.2 or GPT-5.4 nano?
DeepSeek V3.2 lists at $0.26 input and $0.38 output per 1M tokens; GPT-5.4 nano at $0.2 and $1.25. DeepSeek V3.2 is 1.6x cheaper per token at list price.
Which has the larger context window?
DeepSeek V3.2 accepts 131K tokens and GPT-5.4 nano 400K tokens.