Model comparison
GPT-4 Turbo vs Step 3.7 Flash
Step 3.7 Flash is the stronger model overall, scoring 36.5 to 30.3 on the Noometry Index.
Last verified . 0 shared benchmarks.
Summary
- The widest gap is in math, where Step 3.7 Flash leads 40.9 to 8.6.
- Step 3.7 Flash is cheaper at $0.18 / $1.11 per million input/output tokens, against $10 / $30 for GPT-4 Turbo.
- Step 3.7 Flash accepts more context: 256K tokens versus 128K.
- Step 3.7 Flash has downloadable open weights; the other is API-only.
Side by side
| GPT-4 Turbo | Step 3.7 Flash | |
|---|---|---|
| Provider | OpenAI | StepFun |
| Noometry Index | 30.3 | 36.5 |
| Released | 2023-11-06 | 2026-05-29 |
| Weights | Proprietary | Open |
| Context window | 128K | 256K |
| Max output | 4K | 256K |
| Input $ / M tokens | $10 | $0.18 |
| Output $ / M tokens | $30 | $1.11 |
| Results tracked | 36 | 5 |
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Category by category
Coding Step 3.7 Flash leads
GPT-4 Turbo: 33.4 (#247), Step 3.7 Flash: 39.4 (#147)
| Benchmark | GPT-4 Turbo | Step 3.7 Flash |
|---|---|---|
| SciCode | — | 40% |
| WeirdML | 18% | — |
| BigCodeBench Instruct | 48.2% | — |
| LMArena Coding | 1268 | — |
| BigCodeBench Complete | 58.2% | — |
| ALE-Bench | — | 694.12 |
| HumanEval+ | 86.6% | — |
| MBPP+ | 73.3% | — |
Agentic & Tool Use Not comparable
GPT-4 Turbo: —, Step 3.7 Flash: —
| Benchmark | GPT-4 Turbo | Step 3.7 Flash |
|---|---|---|
| METR Time Horizons | 36.7% | — |
Reasoning Step 3.7 Flash leads
GPT-4 Turbo: 14.9 (#311), Step 3.7 Flash: 20.9 (#211)
| Benchmark | GPT-4 Turbo | Step 3.7 Flash |
|---|---|---|
| SimpleBench | 25.1% | — |
| NYT Connections (extended) | — | 39.7% |
| CritPt | — | 2.3% |
| Chess Puzzles | 6% | — |
| LMArena Hard Prompts | 1251 | — |
| DTBench | 61.6% | — |
| LMCA | 9.8% | — |
| Epoch Capabilities Index | 127.25 | — |
| ForecastBench | 59.4 | — |
Math Step 3.7 Flash leads
GPT-4 Turbo: 8.6 (#316), Step 3.7 Flash: 40.9 (#74)
| Benchmark | GPT-4 Turbo | Step 3.7 Flash |
|---|---|---|
| FrontierMath (Tiers 1-3) | 0.7% | — |
| MathArena Final-Answer Competitions | — | 68.5% |
| OTIS Mock AIME 2024-2025 | 6.7% | — |
| LMArena Math | 1272 | — |
| MATH Level 5 | 46.7% | — |
Knowledge Not comparable
GPT-4 Turbo: 24.3 (#263), Step 3.7 Flash: —
| Benchmark | GPT-4 Turbo | Step 3.7 Flash |
|---|---|---|
| GPQA Diamond | 46.6% | — |
| Confabulations | 28.4% | — |
| LMArena Expert | 1223 | — |
| MMLU | 81.3% | — |
Multimodal Not comparable
GPT-4 Turbo: 30.0 (#104), Step 3.7 Flash: —
| Benchmark | GPT-4 Turbo | Step 3.7 Flash |
|---|---|---|
| LMArena Vision | 1090 | — |
Multilingual Not comparable
GPT-4 Turbo: 40.7 (#211), Step 3.7 Flash: —
| Benchmark | GPT-4 Turbo | Step 3.7 Flash |
|---|---|---|
| LMArena Non-English | 1245 | — |
| LMArena Chinese | 1242 | — |
| LMArena French | 1275 | — |
| LMArena German | 1259 | — |
| LMArena Japanese | 1194 | — |
| LMArena Korean | 1187 | — |
| LMArena Russian | 1259 | — |
| LMArena Spanish | 1260 | — |
Instruction Following Not comparable
GPT-4 Turbo: 66.0 (#211), Step 3.7 Flash: —
| Benchmark | GPT-4 Turbo | Step 3.7 Flash |
|---|---|---|
| LMArena Instruction Following | 1250 | — |
Long Context Not comparable
GPT-4 Turbo: 38.0 (#200), Step 3.7 Flash: —
| Benchmark | GPT-4 Turbo | Step 3.7 Flash |
|---|---|---|
| LMArena Longer Query | 1254 | — |
Writing & Preference Not comparable
GPT-4 Turbo: 47.9 (#201), Step 3.7 Flash: —
| Benchmark | GPT-4 Turbo | Step 3.7 Flash |
|---|---|---|
| LMArena Text | 1272 | — |
| LMArena Creative Writing | 1269 | — |
| LMArena Multi-Turn | 1267 | — |
Frequently asked questions
Is GPT-4 Turbo better than Step 3.7 Flash?
Step 3.7 Flash is the stronger model overall, scoring 36.5 to 30.3 on the Noometry Index.
Which is cheaper, GPT-4 Turbo or Step 3.7 Flash?
Step 3.7 Flash is cheaper. It lists at $0.18 per million input tokens and $1.11 per million output tokens; GPT-4 Turbo lists at $10 and $30.
Is GPT-4 Turbo or Step 3.7 Flash better for coding?
Step 3.7 Flash scores higher on coding benchmarks: 39.4 versus 33.4 in the Noometry coding category.
Which has the bigger context window?
Step 3.7 Flash does, with 256K tokens against 128K.
How many benchmarks do GPT-4 Turbo and Step 3.7 Flash share?
0 benchmarks have published results for both models. GPT-4 Turbo has 36 scored results on Noometry and Step 3.7 Flash has 5.