Model comparison
Claude Sonnet 5.5 vs DeepSeek Coder 33B
Claude Sonnet 5.5 has enough public results to be ranked (#10); DeepSeek Coder 33B does not yet, so treat this comparison as directional.
Last verified . 1 shared benchmarks.
Summary
- They share 1 benchmark with published results for both. Claude Sonnet 5.5 scores higher in 1 category and DeepSeek Coder 33B in 0 categories; one gap is clear of the uncertainty.
- The widest gap is in coding, where Claude Sonnet 5.5 leads 67.3 to 38.0.
- DeepSeek Coder 33B has downloadable open weights; the other is API-only.
Side by side
| Claude Sonnet 5.5 | DeepSeek Coder 33B | |
|---|---|---|
| Provider | Anthropic | DeepSeek |
| Noometry Index | 61.9 | 38.9 |
| 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 | 32 | 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: 67.3 (#6), DeepSeek Coder 33B: 38.0 (#184)
| Benchmark | Claude Sonnet 5.5 | DeepSeek Coder 33B |
|---|---|---|
| FrontierCode | 52.1% | — |
| CursorBench | 55.5% | — |
| LMArena WebDev | 1774 | — |
| FrontierSWE | 61.9% | — |
| SciCode | 61% | — |
| BigCodeBench Instruct | — | 42% |
| LMArena Coding | 1513 | — |
| BigCodeBench Complete | — | 51.1% |
| ALE-Bench | 1,819 | — |
| HumanEval+ | — | 75% |
| MBPP+ | — | 70.1% |
Agentic & Tool Use Not comparable
Claude Sonnet 5.5: 45.0 (#16), DeepSeek Coder 33B: —
| Benchmark | Claude Sonnet 5.5 | DeepSeek Coder 33B |
|---|---|---|
| APEX-Agents | 75.5% | — |
Reasoning Not comparable
Claude Sonnet 5.5: 54.0 (#28), DeepSeek Coder 33B: —
| Benchmark | Claude Sonnet 5.5 | DeepSeek Coder 33B |
|---|---|---|
| Epoch Capabilities Index | 165.03 | 96.32 |
| NYT Connections (extended) | 80.5% | — |
| CritPt | 31.4% | — |
| LMArena Hard Prompts | 1495 | — |
| Mystery Game Puzzles | 65% | — |
| WinoGrande | — | 62% |
Math Not comparable
Claude Sonnet 5.5: 87.9 (#6), DeepSeek Coder 33B: —
| Benchmark | Claude Sonnet 5.5 | DeepSeek Coder 33B |
|---|---|---|
| FrontierMath (Tiers 1-3) | 88.8% | — |
| FrontierMath Tier 4 | 80.5% | — |
| OTIS Mock AIME 2024-2025 | 100% | — |
| ProofBench | 100% | — |
| LMArena Math | 1510 | — |
| FrontierMath Erdős | 2.9% | — |
| GSM8K | — | 35.4% |
Knowledge Not comparable
Claude Sonnet 5.5: 66.0 (#12), DeepSeek Coder 33B: —
| Benchmark | Claude Sonnet 5.5 | DeepSeek Coder 33B |
|---|---|---|
| GPQA Diamond | 95.6% | — |
| SimpleQA Verified | 46.5% | — |
| LMArena Expert | 1540 | — |
| ARC (AI2) Challenge | — | 42.2% |
| MMLU | — | 39.4% |
Multimodal Not comparable
Claude Sonnet 5.5: 51.5 (#6), DeepSeek Coder 33B: —
| Benchmark | Claude Sonnet 5.5 | DeepSeek Coder 33B |
|---|---|---|
| LMArena Vision | 1289 | — |
| Furniture Assembly | 75% | — |
Multilingual Not comparable
Claude Sonnet 5.5: 55.3 (#30), DeepSeek Coder 33B: —
| Benchmark | Claude Sonnet 5.5 | DeepSeek Coder 33B |
|---|---|---|
| LMArena Non-English | 1452 | — |
| LMArena Chinese | 1522 | — |
| LMArena Russian | 1451 | — |
Instruction Following Not comparable
Claude Sonnet 5.5: 78.3 (#11), DeepSeek Coder 33B: —
| Benchmark | Claude Sonnet 5.5 | DeepSeek Coder 33B |
|---|---|---|
| LMArena Instruction Following | 1495 | — |
Long Context Not comparable
Claude Sonnet 5.5: 45.9 (#28), DeepSeek Coder 33B: —
| Benchmark | Claude Sonnet 5.5 | DeepSeek Coder 33B |
|---|---|---|
| LMArena Longer Query | 1498 | — |
Writing & Preference Not comparable
Claude Sonnet 5.5: 66.0 (#40), DeepSeek Coder 33B: —
| Benchmark | Claude Sonnet 5.5 | DeepSeek Coder 33B |
|---|---|---|
| LMArena Text | 1471 | — |
| LMArena Creative Writing | 1465 | — |
| LMArena Multi-Turn | 1474 | — |
Frequently asked questions
Is Claude Sonnet 5.5 better than DeepSeek Coder 33B?
Claude Sonnet 5.5 has enough public results to be ranked (#10); DeepSeek Coder 33B does not yet, so treat this comparison as directional.
Is Claude Sonnet 5.5 or DeepSeek Coder 33B better for coding?
Claude Sonnet 5.5 scores higher on coding benchmarks: 67.3 versus 38.0 in the Noometry coding category.
How many benchmarks do Claude Sonnet 5.5 and DeepSeek Coder 33B share?
1 benchmark has published results for both models. Claude Sonnet 5.5 has 32 scored results on Noometry and DeepSeek Coder 33B has 9.