# Gemini 3.5 Flash vs Step 3.7 Flash

> Side-by-side benchmark comparison for Gemini 3.5 Flash and Step 3.7 Flash across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/gemini-3-5-flash-vs-step-3-7-flash
- Last updated: October 15, 2026

- Shared sourced benchmarks: 5
- HTML indexing: indexable
- Ranking lane: BenchAlign v5.8

## Quick Verdict

Gemini 3.5 Flash leads by point estimate. Conditional score ranges do not establish rank confidence. Choose using the category evidence and your own workload tests.

## Summary

- Gemini 3.5 Flash has the higher overall point estimate 61.83 to 43.7. Conditional score ranges do not establish rank confidence.
- The clearest category separation is in knowledge, where the averages are 65.4 for Gemini 3.5 Flash and 45 for Step 3.7 Flash.
- The biggest single benchmark swing is Terminal-Bench 2.1 in Agentic, with scores of 76.2% and 59.5%.
- Step 3.7 Flash is the cheaper option on output tokens, which matters if you expect large responses or heavy interactive use.
- Gemini 3.5 Flash also has the larger context window at 1M.

## Model Snapshot

| Property | Gemini 3.5 Flash | Step 3.7 Flash |
|----------|----------|----------|
| Creator | Google | StepFun |
| Type | Proprietary | Open Weight |
| Reasoning | Reasoning | Reasoning |
| Context | 1M | 256K |
| Overall Score | 61.83 | 43.7 |
| Benchmarks Covered | 28 | 11 |
| Pricing (input/output) | $1.50 / $9.00 | $0.20 / $1.15 |

## Category Breakdown

### Agentic

- Winner: Directional only
- Gemini 3.5 Flash public-lane score: 51.4 (Supported · #44/126)
- Step 3.7 Flash public-lane score: 37.1 (Estimated · #74/126)

| Benchmark | Gemini 3.5 Flash | Step 3.7 Flash | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.1 | 76.2% | 59.5% | Gemini 3.5 Flash |
| MCP Atlas | 83.6% | Coming soon | Coming soon |
| Toolathlon | 56.5% | 49.5% | Gemini 3.5 Flash |
| OSWorld-Verified | 78.4% | Coming soon | Coming soon |
| Finance Agent v2 | 57.9% | Coming soon | Coming soon |
| Gert Labs | 61.85% | 51.57% | Gemini 3.5 Flash |
| ResearchClawBench | 18.0% | Coming soon | Coming soon |
| Terminal-Bench 2.1 (Vals) | 74.2% | Coming soon | Coming soon |
| BrowseComp | Coming soon | 75.8% | Coming soon |
| DeepSearchQA | Coming soon | 92.8% | Coming soon |
| Claw-Eval | Coming soon | 67.1% | Coming soon |
| HLE w/ tools | Coming soon | 47.2% | Coming soon |

### Coding

- Winner: Directional only
- Gemini 3.5 Flash public-lane score: 50.1 (Supported · #42/149)
- Step 3.7 Flash public-lane score: 30.2 (Estimated · #95/149)

| Benchmark | Gemini 3.5 Flash | Step 3.7 Flash | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.1 | 76.2% | 59.5% | Gemini 3.5 Flash |
| SWE-bench Pro | 55.1% | 56.3% | Step 3.7 Flash |
| Vibe Code Bench | 48.68% | Coming soon | Coming soon |
| cursorBench31 | 49.8% | Coming soon | Coming soon |
| CursorBench 3.2 | 48.8% | Coming soon | Coming soon |
| LiveCodeBench (Vals) | 87.6% | Coming soon | Coming soon |
| SWE-bench (Vals) | 78.8% | Coming soon | Coming soon |

### Reasoning

- Winner: Not comparable
- Gemini 3.5 Flash public-lane score: 70.9 (#19/29)
- Step 3.7 Flash public-lane score: 76.5 (Unranked · 2 rankable rows)

| Benchmark | Gemini 3.5 Flash | Step 3.7 Flash | Winner |
|-----------|-----------|-----------|--------|
| MRCRv2 | 77.3% | Coming soon | Coming soon |
| MRCR 1M | 26.6% | Coming soon | Coming soon |
| ARC-AGI-2 | 72.1% | Coming soon | Coming soon |
| ARC-AGI-1 | 92.50% | Coming soon | Coming soon |

### Multimodal & Grounded

- Winner: Not comparable
- Gemini 3.5 Flash public-lane score: 87.8 (#7/54)
- Step 3.7 Flash public-lane score: 75.4 (Unranked · 3 rankable rows)

| Benchmark | Gemini 3.5 Flash | Step 3.7 Flash | Winner |
|-----------|-----------|-----------|--------|
| CharXiv | 84.2% | Coming soon | Coming soon |
| MMMU-Pro | 83.6% | Coming soon | Coming soon |
| Blueprint-Bench 2 | 33.6% | Coming soon | Coming soon |
| SimpleVQA | Coming soon | 79.2% | Coming soon |
| V* | Coming soon | 95.3% | Coming soon |

### Knowledge

- Winner: Directional only
- Gemini 3.5 Flash public-lane score: 65.4 (Supported · #31/182)
- Step 3.7 Flash public-lane score: 45 (Estimated · #96/182)

| Benchmark | Gemini 3.5 Flash | Step 3.7 Flash | Winner |
|-----------|-----------|-----------|--------|
| GPQA-D | 92.7% | Coming soon | Coming soon |
| HLE | 40.2% | Coming soon | Coming soon |
| GPQA Diamond (Vals) | 92.7% | Coming soon | Coming soon |
| MMLU-Pro (Vals) | 89.5% | Coming soon | Coming soon |

### Instruction Following

- Winner: Directional only
- Gemini 3.5 Flash public-lane score: 87.4 (#36/146)
- Step 3.7 Flash public-lane score: 82.1 (#54/146)

### Mathematics

- Winner: Not comparable
- Gemini 3.5 Flash public-lane score: 67.1 (Unranked · 2 rankable rows)
- Step 3.7 Flash public-lane score: Coming soon

| Benchmark | Gemini 3.5 Flash | Step 3.7 Flash | Winner |
|-----------|-----------|-----------|--------|
| FrontierMath v2 (Tiers 1-3) | 62.807% | Coming soon | Coming soon |
| FrontierMath v2 (Tier 4) | 26.829% | Coming soon | Coming soon |

## FAQ

### Which is better overall, Gemini 3.5 Flash or Step 3.7 Flash?

Gemini 3.5 Flash has the higher overall point estimate. Conditional score ranges do not establish rank confidence.

### Where is the biggest gap between Gemini 3.5 Flash and Step 3.7 Flash?

The widest category gap is in knowledge, where the averages are 65.4 for Gemini 3.5 Flash and 45 for Step 3.7 Flash.

### How many benchmarks does Gemini 3.5 Flash cover on BenchLM?

Gemini 3.5 Flash currently has 28 sourced benchmark scores on BenchLM.

### How many benchmarks does Step 3.7 Flash cover on BenchLM?

Step 3.7 Flash currently has 11 sourced benchmark scores on BenchLM.

## Related Comparisons

- [Gemini 3.5 Flash vs Gemini 3.5 Flash Cyber](/compare/gemini-3-5-flash-vs-gemini-3-5-flash-cyber)
- [Step 3.7 Flash vs Gemini 3.5 Flash Cyber](/compare/gemini-3-5-flash-cyber-vs-step-3-7-flash)
- [Gemini 3.5 Flash vs Claude Opus 5.5](/compare/claude-opus-5-5-vs-gemini-3-5-flash)
- [Step 3.7 Flash vs Claude Opus 5.5](/compare/claude-opus-5-5-vs-step-3-7-flash)

## Explore More

- [Gemini 3.5 Flash profile](/models/gemini-3-5-flash)
- [Step 3.7 Flash profile](/models/step-3-7-flash)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)