Model comparison
Gemini 3 Deep Think vs Step 3.7 Flash
Step 3.7 Flash has enough public results to be ranked (#207); Gemini 3 Deep Think does not yet, so treat this comparison as directional.
Last verified . 1 shared benchmarks.
Google
StepFunSummary
- They share 1 benchmark with published results for both. Gemini 3 Deep Think scores higher in 1 category and Step 3.7 Flash in 0 categories; one gap is clear of the uncertainty.
- The widest gap is in reasoning, where Gemini 3 Deep Think leads 70.2 to 21.6.
- The biggest single-benchmark swing is CritPt: 25.7% for Gemini 3 Deep Think and 2.3% for Step 3.7 Flash.
- Step 3.7 Flash has downloadable open weights; the other is API-only.
Side by side
| Gemini 3 Deep Think | Step 3.7 Flash | |
|---|---|---|
| Provider | StepFun | |
| Noometry Index | 58.3 | 37.3 |
| Released | 2026-02-12 | 2026-05-29 |
| Weights | Proprietary | Open |
| Context window | — | 256K |
| Max output | — | 256K |
| Input $ / M tokens | — | $0.18 |
| Output $ / M tokens | — | $1.11 |
| Results tracked | 3 | 5 |
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Category by category
Coding Not comparable
Gemini 3 Deep Think: —, Step 3.7 Flash: 40.0 (#150)
Reasoning Gemini 3 Deep Think leads
Gemini 3 Deep Think: 70.2 (#14), Step 3.7 Flash: 21.6 (#219)
| Benchmark | Gemini 3 Deep Think | Step 3.7 Flash |
|---|---|---|
| CritPt | 25.7% | 2.3% |
| ARC-AGI-2 | 84.6% | — |
| NYT Connections (extended) | — | 39.7% |
| ARC-AGI-1 | 96% | — |
Math Not comparable
Gemini 3 Deep Think: —, Step 3.7 Flash: 42.9 (#82)
| Benchmark | Gemini 3 Deep Think | Step 3.7 Flash |
|---|---|---|
| MathArena Final-Answer Competitions | — | 68.5% |
Frequently asked questions
Is Gemini 3 Deep Think better than Step 3.7 Flash?
Step 3.7 Flash has enough public results to be ranked (#207); Gemini 3 Deep Think does not yet, so treat this comparison as directional.
How many benchmarks do Gemini 3 Deep Think and Step 3.7 Flash share?
1 benchmark has published results for both models. Gemini 3 Deep Think has 3 scored results on Noometry and Step 3.7 Flash has 5.