# 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.

- Canonical page: https://noometry.com/compare/gemini-3-deep-think-vs-step-3-7-flash
- Last updated: 2026-10-10
- Shared benchmarks: 1

## Summary

- 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 70.8 to 20.9.
- 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.

## Snapshot

| | Gemini 3 Deep Think | Step 3.7 Flash |
|---|---|---|
| Provider | Google | StepFun |
| Noometry Index | 58.5 | 36.5 |
| Rank | — | 207 |
| Context | — | 256K |
| Input $/M | — | $0.18 |
| Output $/M | — | $1.11 |
| Weights | Proprietary | Open |

## Coding

- Gemini 3 Deep Think: —
- Step 3.7 Flash: 39.4 (#147)

| Benchmark | Gemini 3 Deep Think | Step 3.7 Flash |
|---|---|---|
| SciCode | — | 40% |
| ALE-Bench | — | 694.12 |

## Reasoning

- Gemini 3 Deep Think: 70.8 (#11)
- Step 3.7 Flash: 20.9 (#211)

| 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

- Gemini 3 Deep Think: —
- Step 3.7 Flash: 40.9 (#74)

| Benchmark | Gemini 3 Deep Think | Step 3.7 Flash |
|---|---|---|
| MathArena Final-Answer Competitions | — | 68.5% |

## FAQ

### 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.