Model comparison
DeepSeek-V3.2-Speciale vs GPT-5.4 Pro
GPT-5.4 Pro is the stronger model overall, scoring 58.8 to 39.1 on the Noometry Index. DeepSeek-V3.2-Speciale costs 79× less per token, which makes it the better buy when GPT-5.4 Pro's lead doesn't matter for your workload.
Last verified . 2 shared benchmarks.
DeepSeekSummary
- They share 2 benchmarks with published results for both. DeepSeek-V3.2-Speciale scores higher in 0 categories and GPT-5.4 Pro in 2 categories; 2 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where GPT-5.4 Pro leads 71.0 to 32.1.
- The biggest single-benchmark swing is SimpleBench: 52.6% for DeepSeek-V3.2-Speciale and 74.1% for GPT-5.4 Pro.
- DeepSeek-V3.2-Speciale is cheaper at $0.58 / $1.68 per million input/output tokens, against $30 / $180 for GPT-5.4 Pro.
- GPT-5.4 Pro accepts more context: 1.05M tokens versus 128K.
- DeepSeek-V3.2-Speciale has downloadable open weights; the other is API-only.
Side by side
| DeepSeek-V3.2-Speciale | GPT-5.4 Pro | |
|---|---|---|
| Provider | DeepSeek | OpenAI |
| Noometry Index | 39.1 | 58.8 |
| Released | 2025-12-01 | 2026-03-05 |
| Weights | Open | Proprietary |
| Context window | 128K | 1.05M |
| Max output | 128K | 128K |
| Input $ / M tokens | $0.58 | $30 |
| Output $ / M tokens | $1.68 | $180 |
| Results tracked | 3 | 16 |
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Category by category
Coding GPT-5.4 Pro leads
DeepSeek-V3.2-Speciale: 39.9 (#136), GPT-5.4 Pro: 42.6 (#89)
| Benchmark | DeepSeek-V3.2-Speciale | GPT-5.4 Pro |
|---|---|---|
| WeirdML | 46.7% | 57.4% |
Reasoning GPT-5.4 Pro leads
DeepSeek-V3.2-Speciale: 32.1 (#65), GPT-5.4 Pro: 71.0 (#10)
| Benchmark | DeepSeek-V3.2-Speciale | GPT-5.4 Pro |
|---|---|---|
| SimpleBench | 52.6% | 74.1% |
| ARC-AGI-2 | — | 83.3% |
| ARC-AGI-1 | — | 94.5% |
| CritPt | — | 30% |
| Chess Puzzles | — | 58.6% |
| EnigmaEval | — | 23.8% |
| Epoch Capabilities Index | — | 159.12 |
Math Not comparable
DeepSeek-V3.2-Speciale: —, GPT-5.4 Pro: 72.0 (#17)
| Benchmark | DeepSeek-V3.2-Speciale | GPT-5.4 Pro |
|---|---|---|
| FrontierMath (Tiers 1-3) | — | 82.5% |
| FrontierMath Tier 4 | — | 58.5% |
| FrontierMath (Feb 2025 set) | — | 50% |
| FrontierMath Tier 4 (v1) | — | 37.5% |
Knowledge Not comparable
DeepSeek-V3.2-Speciale: —, GPT-5.4 Pro: 68.3 (#6)
| Benchmark | DeepSeek-V3.2-Speciale | GPT-5.4 Pro |
|---|---|---|
| GPQA Diamond | — | 94.6% |
| Humanity's Last Exam | — | 44.3% |
| SimpleQA Verified | — | 46.3% |
| Vectara Hallucination Rate | — | 8.3% |
Writing & Preference Not comparable
DeepSeek-V3.2-Speciale: 46.1 (#217), GPT-5.4 Pro: —
| Benchmark | DeepSeek-V3.2-Speciale | GPT-5.4 Pro |
|---|---|---|
| EQ-Bench Creative Writing | 1276 | — |
Frequently asked questions
Is DeepSeek-V3.2-Speciale better than GPT-5.4 Pro?
GPT-5.4 Pro is the stronger model overall, scoring 58.8 to 39.1 on the Noometry Index. DeepSeek-V3.2-Speciale costs 79× less per token, which makes it the better buy when GPT-5.4 Pro's lead doesn't matter for your workload.
Which is cheaper, DeepSeek-V3.2-Speciale or GPT-5.4 Pro?
DeepSeek-V3.2-Speciale is cheaper. It lists at $0.58 per million input tokens and $1.68 per million output tokens; GPT-5.4 Pro lists at $30 and $180.
Is DeepSeek-V3.2-Speciale or GPT-5.4 Pro better for coding?
GPT-5.4 Pro scores higher on coding benchmarks: 42.6 versus 39.9 in the Noometry coding category.
Which has the bigger context window?
GPT-5.4 Pro does, with 1.05M tokens against 128K.
How many benchmarks do DeepSeek-V3.2-Speciale and GPT-5.4 Pro share?
2 benchmarks have published results for both models. DeepSeek-V3.2-Speciale has 3 scored results on Noometry and GPT-5.4 Pro has 16.