Model comparison
DeepSeek Coder 6.7B vs GPT-5.5 Pro
GPT-5.5 Pro has enough public results to be ranked (#8); DeepSeek Coder 6.7B does not yet, so treat this comparison as directional.
Last verified . 1 shared benchmarks.
DeepSeekSummary
- They share 1 benchmark with published results for both.
- DeepSeek Coder 6.7B has downloadable open weights; the other is API-only.
Side by side
| DeepSeek Coder 6.7B | GPT-5.5 Pro | |
|---|---|---|
| Provider | DeepSeek | OpenAI |
| Noometry Index | 37.6 | 64.3 |
| Released | 2023-11-02 | 2026-04-23 |
| Weights | Open | Proprietary |
| Context window | — | 1.05M |
| Max output | — | 128K |
| Input $ / M tokens | — | $30 |
| Output $ / M tokens | — | $180 |
| Results tracked | 9 | 14 |
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Category by category
Coding Not comparable
DeepSeek Coder 6.7B: 35.8 (#219), GPT-5.5 Pro: —
| Benchmark | DeepSeek Coder 6.7B | GPT-5.5 Pro |
|---|---|---|
| BigCodeBench Instruct | 35.5% | — |
| BigCodeBench Complete | 43.8% | — |
| HumanEval+ | 71.3% | — |
| MBPP+ | 65.6% | — |
Reasoning Not comparable
DeepSeek Coder 6.7B: —, GPT-5.5 Pro: 73.3 (#10)
| Benchmark | DeepSeek Coder 6.7B | GPT-5.5 Pro |
|---|---|---|
| Epoch Capabilities Index | 89.62 | 162.07 |
| ARC-AGI-2 | — | 84.6% |
| SimpleBench | — | 76.9% |
| ARC-AGI-1 | — | 96.5% |
| CritPt | — | 30.6% |
| Chess Puzzles | — | 64% |
| DTBench | — | 96% |
| LMCA | — | 53.9% |
| WinoGrande | 57.6% | — |
Math Not comparable
DeepSeek Coder 6.7B: —, GPT-5.5 Pro: 84.0 (#10)
| Benchmark | DeepSeek Coder 6.7B | GPT-5.5 Pro |
|---|---|---|
| FrontierMath (Tiers 1-3) | — | 87.7% |
| FrontierMath Tier 4 | — | 78% |
| OTIS Mock AIME 2024-2025 | — | 100% |
| FrontierMath (Feb 2025 set) | — | 52.4% |
| FrontierMath Tier 4 (v1) | — | 39.6% |
| GSM8K | 21.3% | — |
Knowledge Not comparable
DeepSeek Coder 6.7B: —, GPT-5.5 Pro: 64.1 (#19)
| Benchmark | DeepSeek Coder 6.7B | GPT-5.5 Pro |
|---|---|---|
| GPQA Diamond | — | 93.9% |
| ARC (AI2) Challenge | 36.4% | — |
| MMLU | 36.4% | — |
Frequently asked questions
Is DeepSeek Coder 6.7B better than GPT-5.5 Pro?
GPT-5.5 Pro has enough public results to be ranked (#8); DeepSeek Coder 6.7B does not yet, so treat this comparison as directional.
How many benchmarks do DeepSeek Coder 6.7B and GPT-5.5 Pro share?
1 benchmark has published results for both models. DeepSeek Coder 6.7B has 9 scored results on Noometry and GPT-5.5 Pro has 14.