Model comparison
Claude Sonnet 5.5 vs DeepSeek Coder 6.7B
Claude Sonnet 5.5 has enough public results to be ranked (#10); DeepSeek Coder 6.7B does not yet, so treat this comparison as directional.
Last verified . 0 shared benchmarks.
DeepSeekSummary
- The widest gap is in coding, where Claude Sonnet 5.5 leads 65.5 to 35.2.
- DeepSeek Coder 6.7B has downloadable open weights; the other is API-only.
Side by side
| Claude Sonnet 5.5 | DeepSeek Coder 6.7B | |
|---|---|---|
| Provider | Anthropic | DeepSeek |
| Noometry Index | 60.5 | 37.1 |
| Released | 2026-09-28 | 2023-11-02 |
| Weights | Proprietary | Open |
| Context window | 1M | — |
| Max output | 128K | — |
| Input $ / M tokens | $2 | — |
| Output $ / M tokens | $10 | — |
| Results tracked | 16 | 9 |
Sponsored placements are available on pages like this one. Advertise on Noometry
Category by category
Coding Claude Sonnet 5.5 leads
Claude Sonnet 5.5: 65.5 (#6), DeepSeek Coder 6.7B: 35.2 (#216)
| Benchmark | Claude Sonnet 5.5 | DeepSeek Coder 6.7B |
|---|---|---|
| FrontierCode | 52.1% | — |
| CursorBench | 55.5% | — |
| LMArena WebDev | 1699 | — |
| FrontierSWE | 61.9% | — |
| SciCode | 61% | — |
| BigCodeBench Instruct | — | 35.5% |
| BigCodeBench Complete | — | 43.8% |
| ALE-Bench | 1,819 | — |
| HumanEval+ | — | 71.3% |
| MBPP+ | — | 65.6% |
Agentic & Tool Use Not comparable
Claude Sonnet 5.5: 44.9 (#14), DeepSeek Coder 6.7B: —
| Benchmark | Claude Sonnet 5.5 | DeepSeek Coder 6.7B |
|---|---|---|
| APEX-Agents | 75.5% | — |
Reasoning Not comparable
Claude Sonnet 5.5: 52.4 (#29), DeepSeek Coder 6.7B: —
| Benchmark | Claude Sonnet 5.5 | DeepSeek Coder 6.7B |
|---|---|---|
| CritPt | 31.4% | — |
| Mystery Game Puzzles | 65% | — |
| Epoch Capabilities Index | — | 88.88 |
| WinoGrande | — | 57.6% |
Math Not comparable
Claude Sonnet 5.5: 88.7 (#4), DeepSeek Coder 6.7B: —
| Benchmark | Claude Sonnet 5.5 | DeepSeek Coder 6.7B |
|---|---|---|
| FrontierMath (Tiers 1-3) | 88.8% | — |
| FrontierMath Tier 4 | 80.5% | — |
| OTIS Mock AIME 2024-2025 | 100% | — |
| ProofBench | 100% | — |
| GSM8K | — | 21.3% |
Knowledge Not comparable
Claude Sonnet 5.5: 66.0 (#11), DeepSeek Coder 6.7B: —
| Benchmark | Claude Sonnet 5.5 | DeepSeek Coder 6.7B |
|---|---|---|
| GPQA Diamond | 95.6% | — |
| SimpleQA Verified | 46.5% | — |
| ARC (AI2) Challenge | — | 36.4% |
| MMLU | — | 36.4% |
Multimodal Not comparable
Claude Sonnet 5.5: 53.2 (#5), DeepSeek Coder 6.7B: —
| Benchmark | Claude Sonnet 5.5 | DeepSeek Coder 6.7B |
|---|---|---|
| Furniture Assembly | 75% | — |
Frequently asked questions
Is Claude Sonnet 5.5 better than DeepSeek Coder 6.7B?
Claude Sonnet 5.5 has enough public results to be ranked (#10); DeepSeek Coder 6.7B does not yet, so treat this comparison as directional.
Is Claude Sonnet 5.5 or DeepSeek Coder 6.7B better for coding?
Claude Sonnet 5.5 scores higher on coding benchmarks: 65.5 versus 35.2 in the Noometry coding category.
How many benchmarks do Claude Sonnet 5.5 and DeepSeek Coder 6.7B share?
0 benchmarks have published results for both models. Claude Sonnet 5.5 has 16 scored results on Noometry and DeepSeek Coder 6.7B has 9.