Model comparison
DeepSeek-V2.5 (Sep 2024) vs Step 5 Preview
Step 5 Preview is the stronger model overall, scoring 43.8 to 37.0 on the Noometry Index.
Last verified . 0 shared benchmarks.
DeepSeek
StepFunSummary
- The widest gap is in coding, where Step 5 Preview leads 50.6 to 31.3.
- DeepSeek-V2.5 (Sep 2024) has downloadable open weights; the other is API-only.
Side by side
| DeepSeek-V2.5 (Sep 2024) | Step 5 Preview | |
|---|---|---|
| Provider | DeepSeek | StepFun |
| Noometry Index | 37.0 | 43.8 |
| Released | 2024-09-06 | 2026-09-16 |
| Weights | Open | Proprietary |
| Context window | — | 1.02M |
| Max output | — | 66K |
| Input $ / M tokens | — | $1 |
| Output $ / M tokens | — | $2.70 |
| Results tracked | 22 | 3 |
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Category by category
Coding Step 5 Preview leads
DeepSeek-V2.5 (Sep 2024): 31.3 (#274), Step 5 Preview: 50.6 (#40)
| Benchmark | DeepSeek-V2.5 (Sep 2024) | Step 5 Preview |
|---|---|---|
| Aider Polyglot | 17.8% | — |
| LMArena WebDev | — | 1569 |
| SciCode | — | 58.9% |
| BigCodeBench Instruct | 48.6% | — |
| LMArena Coding | 1310 | — |
| BigCodeBench Complete | 53.2% | — |
| HumanEval+ | 83.5% | — |
| MBPP+ | 74.1% | — |
Reasoning Step 5 Preview leads
DeepSeek-V2.5 (Sep 2024): 24.5 (#145), Step 5 Preview: 38.0 (#58)
| Benchmark | DeepSeek-V2.5 (Sep 2024) | Step 5 Preview |
|---|---|---|
| CritPt | — | 20.9% |
| LMArena Hard Prompts | 1289 | — |
Math Not comparable
DeepSeek-V2.5 (Sep 2024): 33.3 (#177), Step 5 Preview: —
| Benchmark | DeepSeek-V2.5 (Sep 2024) | Step 5 Preview |
|---|---|---|
| LMArena Math | 1289 | — |
Knowledge Not comparable
DeepSeek-V2.5 (Sep 2024): 34.2 (#190), Step 5 Preview: —
| Benchmark | DeepSeek-V2.5 (Sep 2024) | Step 5 Preview |
|---|---|---|
| LMArena Expert | 1266 | — |
Multilingual Not comparable
DeepSeek-V2.5 (Sep 2024): 42.7 (#188), Step 5 Preview: —
| Benchmark | DeepSeek-V2.5 (Sep 2024) | Step 5 Preview |
|---|---|---|
| LMArena Non-English | 1273 | — |
| LMArena Chinese | 1317 | — |
| LMArena French | 1288 | — |
| LMArena German | 1258 | — |
| LMArena Japanese | 1228 | — |
| LMArena Korean | 1209 | — |
| LMArena Russian | 1289 | — |
| LMArena Spanish | 1248 | — |
Instruction Following Not comparable
DeepSeek-V2.5 (Sep 2024): 67.7 (#189), Step 5 Preview: —
| Benchmark | DeepSeek-V2.5 (Sep 2024) | Step 5 Preview |
|---|---|---|
| LMArena Instruction Following | 1280 | — |
Long Context Not comparable
DeepSeek-V2.5 (Sep 2024): 39.5 (#169), Step 5 Preview: —
| Benchmark | DeepSeek-V2.5 (Sep 2024) | Step 5 Preview |
|---|---|---|
| LMArena Longer Query | 1301 | — |
Writing & Preference Not comparable
DeepSeek-V2.5 (Sep 2024): 50.0 (#182), Step 5 Preview: —
| Benchmark | DeepSeek-V2.5 (Sep 2024) | Step 5 Preview |
|---|---|---|
| LMArena Text | 1294 | — |
| LMArena Creative Writing | 1285 | — |
| LMArena Multi-Turn | 1297 | — |
Frequently asked questions
Is DeepSeek-V2.5 (Sep 2024) better than Step 5 Preview?
Step 5 Preview is the stronger model overall, scoring 43.8 to 37.0 on the Noometry Index.
Is DeepSeek-V2.5 (Sep 2024) or Step 5 Preview better for coding?
Step 5 Preview scores higher on coding benchmarks: 50.6 versus 31.3 in the Noometry coding category.
How many benchmarks do DeepSeek-V2.5 (Sep 2024) and Step 5 Preview share?
0 benchmarks have published results for both models. DeepSeek-V2.5 (Sep 2024) has 22 scored results on Noometry and Step 5 Preview has 3.