Model comparison
Claude 2 vs Step 3.7 Flash
Step 3.7 Flash is the stronger model overall, scoring 36.5 to 24.7 on the Noometry Index.
Last verified . 0 shared benchmarks.
StepFunSummary
- The widest gap is in math, where Step 3.7 Flash leads 40.9 to 8.7.
- Step 3.7 Flash has downloadable open weights; the other is API-only.
Side by side
| Claude 2 | Step 3.7 Flash | |
|---|---|---|
| Provider | Anthropic | StepFun |
| Noometry Index | 24.7 | 36.5 |
| Released | 2023-07-11 | 2026-05-29 |
| Weights | Proprietary | Open |
| Context window | — | 256K |
| Max output | — | 256K |
| Input $ / M tokens | — | $0.18 |
| Output $ / M tokens | — | $1.11 |
| Results tracked | 8 | 5 |
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Category by category
Coding Not comparable
Claude 2: —, Step 3.7 Flash: 39.4 (#147)
| Benchmark | Claude 2 | Step 3.7 Flash |
|---|---|---|
| SciCode | — | 40% |
| ALE-Bench | — | 694.12 |
| HumanEval+ | 61.6% | — |
Reasoning Too close to call
Claude 2: 20.8 (#213), Step 3.7 Flash: 20.9 (#211)
| Benchmark | Claude 2 | Step 3.7 Flash |
|---|---|---|
| NYT Connections (extended) | — | 39.7% |
| CritPt | — | 2.3% |
| DTBench | 51.9% | — |
| Epoch Capabilities Index | 120.08 | — |
Math Step 3.7 Flash leads
Claude 2: 8.7 (#314), Step 3.7 Flash: 40.9 (#74)
| Benchmark | Claude 2 | Step 3.7 Flash |
|---|---|---|
| MathArena Final-Answer Competitions | — | 68.5% |
| OTIS Mock AIME 2024-2025 | 2.5% | — |
| MATH Level 5 | 11.7% | — |
Knowledge Not comparable
Claude 2: 17.0 (#282), Step 3.7 Flash: —
| Benchmark | Claude 2 | Step 3.7 Flash |
|---|---|---|
| GPQA Diamond | 34.7% | — |
| MMLU | 78.5% | — |
| TriviaQA | 87.5% | — |
Frequently asked questions
Is Claude 2 better than Step 3.7 Flash?
Step 3.7 Flash is the stronger model overall, scoring 36.5 to 24.7 on the Noometry Index.
How many benchmarks do Claude 2 and Step 3.7 Flash share?
0 benchmarks have published results for both models. Claude 2 has 8 scored results on Noometry and Step 3.7 Flash has 5.