# Gemini 3.1 Flash Lite vs Step 3.7 Flash

> Gemini 3.1 Flash Lite is the stronger model overall, scoring 40.8 to 37.3 on the Noometry Index.

- Canonical page: https://noometry.com/compare/gemini-3-1-flash-lite-vs-step-3-7-flash
- Last updated: 2026-10-11
- Shared benchmarks: 4

## Summary

- They share 4 benchmarks with published results for both. Gemini 3.1 Flash Lite scores higher in 1 category and Step 3.7 Flash in 2 categories; 3 gaps are clear of the uncertainty.
- The biggest single-benchmark swing is NYT Connections (extended): 8.2% for Gemini 3.1 Flash Lite and 39.7% for Step 3.7 Flash.
- Step 3.7 Flash is cheaper at $0.18 / $1.11 per million input/output tokens, against $0.25 / $1.50 for Gemini 3.1 Flash Lite.
- Gemini 3.1 Flash Lite accepts more context: 1.05M tokens versus 256K.
- Step 3.7 Flash has downloadable open weights; the other is API-only.

## Snapshot

| | Gemini 3.1 Flash Lite | Step 3.7 Flash |
|---|---|---|
| Provider | Google | StepFun |
| Noometry Index | 40.8 | 37.3 |
| Rank | 144 | 207 |
| Context | 1.05M | 256K |
| Input $/M | $0.25 | $0.18 |
| Output $/M | $1.50 | $1.11 |
| Weights | Proprietary | Open |

## Coding

- Gemini 3.1 Flash Lite: 37.8 (#188)
- Step 3.7 Flash: 40.0 (#150)

| Benchmark | Gemini 3.1 Flash Lite | Step 3.7 Flash |
|---|---|---|
| SciCode | 41.9% | 40% |
| ALE-Bench | 797.73 | 694.12 |
| LMArena WebDev | 1256 | — |
| WeirdML | 52.2% | — |
| LMArena Coding | 1400 | — |

## Agentic & Tool Use

- Gemini 3.1 Flash Lite: 30.2 (#79)
- Step 3.7 Flash: —

| Benchmark | Gemini 3.1 Flash Lite | Step 3.7 Flash |
|---|---|---|
| DeepResearch Bench | 37.3% | — |

## Reasoning

- Gemini 3.1 Flash Lite: 22.9 (#186)
- Step 3.7 Flash: 21.6 (#219)

| Benchmark | Gemini 3.1 Flash Lite | Step 3.7 Flash |
|---|---|---|
| NYT Connections (extended) | 8.2% | 39.7% |
| CritPt | 1.1% | 2.3% |
| Kagi LLM Benchmark | 67.2% | — |
| Chess Puzzles | 25% | — |
| EnigmaEval | 3% | — |
| Thematic Generalization | 63.3% | — |
| LMArena Hard Prompts | 1407 | — |
| DTBench | 76.8% | — |
| LMCA | 35% | — |
| Epoch Capabilities Index | 144.47 | — |
| ForecastBench | 54.4 | — |

## Math

- Gemini 3.1 Flash Lite: 40.7 (#90)
- Step 3.7 Flash: 42.9 (#82)

| Benchmark | Gemini 3.1 Flash Lite | Step 3.7 Flash |
|---|---|---|
| FrontierMath (Tiers 1-3) | 27.7% | — |
| MathArena Final-Answer Competitions | — | 68.5% |
| OTIS Mock AIME 2024-2025 | 80% | — |
| LMArena Math | 1428 | — |

## Knowledge

- Gemini 3.1 Flash Lite: 41.9 (#104)
- Step 3.7 Flash: —

| Benchmark | Gemini 3.1 Flash Lite | Step 3.7 Flash |
|---|---|---|
| GPQA Diamond | 81.8% | — |
| Humanity's Last Exam | 8.6% | — |
| Vectara Hallucination Rate | 8.2% | — |
| LMArena Expert | 1398 | — |

## Multimodal

- Gemini 3.1 Flash Lite: 39.4 (#60)
- Step 3.7 Flash: —

| Benchmark | Gemini 3.1 Flash Lite | Step 3.7 Flash |
|---|---|---|
| LMArena Vision | 1240 | — |

## Multilingual

- Gemini 3.1 Flash Lite: 52.3 (#86)
- Step 3.7 Flash: —

| Benchmark | Gemini 3.1 Flash Lite | Step 3.7 Flash |
|---|---|---|
| LMArena Non-English | 1411 | — |
| LMArena Chinese | 1461 | — |
| LMArena French | 1424 | — |
| LMArena German | 1429 | — |
| LMArena Japanese | 1413 | — |
| LMArena Korean | 1392 | — |
| LMArena Russian | 1420 | — |
| LMArena Spanish | 1421 | — |

## Instruction Following

- Gemini 3.1 Flash Lite: 72.7 (#131)
- Step 3.7 Flash: —

| Benchmark | Gemini 3.1 Flash Lite | Step 3.7 Flash |
|---|---|---|
| LMArena Instruction Following | 1377 | — |

## Long Context

- Gemini 3.1 Flash Lite: 42.5 (#122)
- Step 3.7 Flash: —

| Benchmark | Gemini 3.1 Flash Lite | Step 3.7 Flash |
|---|---|---|
| LMArena Longer Query | 1394 | — |

## Writing & Preference

- Gemini 3.1 Flash Lite: 60.9 (#94)
- Step 3.7 Flash: —

| Benchmark | Gemini 3.1 Flash Lite | Step 3.7 Flash |
|---|---|---|
| LMArena Text | 1416 | — |
| LMArena Creative Writing | 1401 | — |
| LMArena Multi-Turn | 1417 | — |

## FAQ

### Is Gemini 3.1 Flash Lite better than Step 3.7 Flash?

Gemini 3.1 Flash Lite is the stronger model overall, scoring 40.8 to 37.3 on the Noometry Index.

### Which is cheaper, Gemini 3.1 Flash Lite 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; Gemini 3.1 Flash Lite lists at $0.25 and $1.50.

### Is Gemini 3.1 Flash Lite or Step 3.7 Flash better for coding?

Step 3.7 Flash scores higher on coding benchmarks: 40.0 versus 37.8 in the Noometry coding category.

### Which has the bigger context window?

Gemini 3.1 Flash Lite does, with 1.05M tokens against 256K.

### How many benchmarks do Gemini 3.1 Flash Lite and Step 3.7 Flash share?

4 benchmarks have published results for both models. Gemini 3.1 Flash Lite has 38 scored results on Noometry and Step 3.7 Flash has 5.