Model comparison
Claude 3 Haiku vs DeepSeek-V3.1-Terminus
DeepSeek-V3.1-Terminus is the stronger model overall, scoring 42.6 to 25.7 on the Noometry Index.
Last verified . 13 shared benchmarks.
Summary
- They share 13 benchmarks with published results for both. Claude 3 Haiku scores higher in 0 categories and DeepSeek-V3.1-Terminus in 7 categories; 7 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where DeepSeek-V3.1-Terminus leads 61.3 to 29.8.
- The biggest single-benchmark swing is DTBench: 50.1% for Claude 3 Haiku and 81.3% for DeepSeek-V3.1-Terminus.
- DeepSeek-V3.1-Terminus has downloadable open weights; the other is API-only.
Side by side
| Claude 3 Haiku | DeepSeek-V3.1-Terminus | |
|---|---|---|
| Provider | Anthropic | DeepSeek |
| Noometry Index | 25.7 | 42.6 |
| Released | 2024-03-07 | 2025-09-22 |
| Weights | Proprietary | Open |
| Context window | — | 164K |
| Max output | — | 66K |
| Input $ / M tokens | — | $0.30 |
| Output $ / M tokens | — | $1 |
| Results tracked | 37 | 16 |
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Category by category
Coding DeepSeek-V3.1-Terminus leads
Claude 3 Haiku: 26.1 (#320), DeepSeek-V3.1-Terminus: 41.5 (#114)
| Benchmark | Claude 3 Haiku | DeepSeek-V3.1-Terminus |
|---|---|---|
| LMArena Coding | 1199 | 1426 |
| SciCode | — | 40.6% |
| WeirdML | 9.8% | — |
| BigCodeBench Instruct | 39.4% | — |
| BigCodeBench Complete | 50.1% | — |
| CadEval | 12% | — |
| ALE-Bench | — | 745.17 |
| HumanEval+ | 68.9% | — |
| MBPP+ | 68.8% | — |
Reasoning DeepSeek-V3.1-Terminus leads
Claude 3 Haiku: 15.7 (#303), DeepSeek-V3.1-Terminus: 25.7 (#126)
| Benchmark | Claude 3 Haiku | DeepSeek-V3.1-Terminus |
|---|---|---|
| Kagi LLM Benchmark | 34.2% | 57.4% |
| LMArena Hard Prompts | 1174 | 1427 |
| DTBench | 50.1% | 81.3% |
| LMCA | 8.8% | 28.6% |
| CritPt | — | 1.7% |
| Epoch Capabilities Index | 118.3 | — |
| ForecastBench | 53.2 | — |
| WinoGrande | 74.2% | — |
Math DeepSeek-V3.1-Terminus leads
Claude 3 Haiku: 9.2 (#313), DeepSeek-V3.1-Terminus: 35.7 (#138)
| Benchmark | Claude 3 Haiku | DeepSeek-V3.1-Terminus |
|---|---|---|
| LMArena Math | 1188 | 1402 |
| OTIS Mock AIME 2024-2025 | 1.8% | — |
| MATH Level 5 | 14.9% | — |
Knowledge Not comparable
Claude 3 Haiku: 17.3 (#280), DeepSeek-V3.1-Terminus: —
| Benchmark | Claude 3 Haiku | DeepSeek-V3.1-Terminus |
|---|---|---|
| GPQA Diamond | 36.3% | — |
| Confabulations | 34.2% | — |
| LMArena Expert | 1148 | — |
| MMLU | 73.8% | — |
Multimodal Not comparable
Claude 3 Haiku: 23.1 (#123), DeepSeek-V3.1-Terminus: —
| Benchmark | Claude 3 Haiku | DeepSeek-V3.1-Terminus |
|---|---|---|
| LMArena Vision | 950 | — |
| ScienceQA | 72% | — |
Multilingual DeepSeek-V3.1-Terminus leads
Claude 3 Haiku: 36.1 (#238), DeepSeek-V3.1-Terminus: 52.3 (#87)
| Benchmark | Claude 3 Haiku | DeepSeek-V3.1-Terminus |
|---|---|---|
| LMArena Non-English | 1178 | 1407 |
| LMArena Russian | 1204 | 1434 |
| LMArena Chinese | 1155 | — |
| LMArena French | 1194 | — |
| LMArena German | 1174 | — |
| LMArena Japanese | 1102 | — |
| LMArena Korean | 1108 | — |
| LMArena Spanish | 1165 | — |
Instruction Following DeepSeek-V3.1-Terminus leads
Claude 3 Haiku: 61.5 (#242), DeepSeek-V3.1-Terminus: 74.4 (#96)
| Benchmark | Claude 3 Haiku | DeepSeek-V3.1-Terminus |
|---|---|---|
| LMArena Instruction Following | 1174 | 1406 |
Long Context DeepSeek-V3.1-Terminus leads
Claude 3 Haiku: 36.1 (#232), DeepSeek-V3.1-Terminus: 43.5 (#88)
| Benchmark | Claude 3 Haiku | DeepSeek-V3.1-Terminus |
|---|---|---|
| LMArena Longer Query | 1191 | 1426 |
Writing & Preference DeepSeek-V3.1-Terminus leads
Claude 3 Haiku: 29.8 (#286), DeepSeek-V3.1-Terminus: 61.3 (#87)
| Benchmark | Claude 3 Haiku | DeepSeek-V3.1-Terminus |
|---|---|---|
| LMArena Text | 1195 | 1420 |
| LMArena Creative Writing | 1157 | 1404 |
| LMArena Multi-Turn | 1190 | 1411 |
| EQ-Bench Creative Writing | 717 | — |
Frequently asked questions
Is Claude 3 Haiku better than DeepSeek-V3.1-Terminus?
DeepSeek-V3.1-Terminus is the stronger model overall, scoring 42.6 to 25.7 on the Noometry Index.
Is Claude 3 Haiku or DeepSeek-V3.1-Terminus better for coding?
DeepSeek-V3.1-Terminus scores higher on coding benchmarks: 41.5 versus 26.1 in the Noometry coding category.
How many benchmarks do Claude 3 Haiku and DeepSeek-V3.1-Terminus share?
13 benchmarks have published results for both models. Claude 3 Haiku has 37 scored results on Noometry and DeepSeek-V3.1-Terminus has 16.