# Step 3.7 Flash vs SWE-2 Flash

> Side-by-side benchmark comparison for Step 3.7 Flash and SWE-2 Flash across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/step-3-7-flash-vs-swe-2-flash
- Last updated: November 5, 2026

- Shared sourced benchmarks: 2
- HTML indexing: indexable
- Ranking lane: BenchAlign v5.8

## Quick Verdict

Evidence is too thin for a benchmark verdict: Step 3.7 Flash and SWE-2 Flash share only 2 sourced benchmark rows.

## Summary

- Only 2 shared sourced benchmark rows are available. That is not enough for a broad capability verdict, so this mirror does not name an overall winner.
- SWE-2 Flash has the lower published output-token price.
- SWE-2 Flash has the larger published context window at 1M.

## Model Snapshot

| Property | Step 3.7 Flash | SWE-2 Flash |
|----------|----------|----------|
| Creator | StepFun | Cognition |
| Type | Open Weight | Proprietary |
| Reasoning | Reasoning | Reasoning |
| Context | 256K | 1M |
| Independent public score (not head-to-head) | 45.46 | null |
| Benchmarks Covered | 11 | 7 |
| Pricing (input/output) | $0.20 / $1.15 | Pricing unavailable / Pricing unavailable |

## Category Breakdown

### Agentic

- Winner: Insufficient shared evidence
- Step 3.7 Flash public-lane score: 40.6 (Estimated · #74/135)
- SWE-2 Flash public-lane score: Coming soon

| Benchmark | Step 3.7 Flash | SWE-2 Flash | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.1 | 59.5% | 89.2% | SWE-2 Flash |
| BrowseComp | 75.8% | Coming soon | Coming soon |
| DeepSearchQA | 92.8% | Coming soon | Coming soon |
| Toolathlon | 49.5% | Coming soon | Coming soon |
| Claw-Eval | 67.1% | Coming soon | Coming soon |
| HLE w/ tools | 47.2% | Coming soon | Coming soon |
| Gert Labs | 51.57% | Coming soon | Coming soon |
| Terminal-Bench 4.0 | Coming soon | 20.00% | Coming soon |

### Coding

- Winner: Insufficient shared evidence
- Step 3.7 Flash public-lane score: 33.5 (Estimated · #92/156)
- SWE-2 Flash public-lane score: Coming soon

| Benchmark | Step 3.7 Flash | SWE-2 Flash | Winner |
|-----------|-----------|-----------|--------|
| SWE-bench Pro | 56.3% | Coming soon | Coming soon |
| Terminal-Bench 2.1 | 59.5% | 89.2% | SWE-2 Flash |
| FrontierCode 1.1 Main | Coming soon | 45.5% | Coming soon |
| DeepSWE | Coming soon | 60.1% | Coming soon |
| SWE-Atlas Codebase QnA | Coming soon | 50.0% | Coming soon |
| FrontierCode 2.0 | Coming soon | 24.0% | Coming soon |

### Reasoning

- Winner: Insufficient shared evidence
- Step 3.7 Flash public-lane score: 75.6 (Unranked · 2 rankable rows)
- SWE-2 Flash public-lane score: Coming soon

### Multimodal & Grounded

- Winner: Insufficient shared evidence
- Step 3.7 Flash public-lane score: 75.7 (Unranked · 3 rankable rows)
- SWE-2 Flash public-lane score: Coming soon

| Benchmark | Step 3.7 Flash | SWE-2 Flash | Winner |
|-----------|-----------|-----------|--------|
| SimpleVQA | 79.2% | Coming soon | Coming soon |
| V* | 95.3% | Coming soon | Coming soon |

### Knowledge

- Winner: Insufficient shared evidence
- Step 3.7 Flash public-lane score: 45.7 (Estimated · #95/177)
- SWE-2 Flash public-lane score: Coming soon

### Instruction Following

- Winner: Insufficient shared evidence
- Step 3.7 Flash public-lane score: 82.1 (#60/157)
- SWE-2 Flash public-lane score: Coming soon

## FAQ

### Is there enough evidence to pick between Step 3.7 Flash and SWE-2 Flash?

Not yet. The models share only 2 sourced benchmark rows, so this mirror reports the available measurements and metadata without naming a broad winner.

### What can I compare safely on this page?

Published pricing, context windows, model type, and individual shared benchmark rows are directly comparable. Independent overall scores and non-overlapping benchmark coverage are labeled separately and should not be read as a controlled head-to-head result.

## Related Comparisons

- [Step 3.7 Flash vs SWE-1.7](/compare/step-3-7-flash-vs-swe-1-7)
- [SWE-2 Flash vs SWE-1.7](/compare/swe-1-7-vs-swe-2-flash)
- [Step 3.7 Flash vs SWE-2](/compare/step-3-7-flash-vs-swe-2)
- [SWE-2 Flash vs SWE-2](/compare/swe-2-vs-swe-2-flash)

## Explore More

- [Step 3.7 Flash profile](/models/step-3-7-flash)
- [SWE-2 Flash profile](/models/swe-2-flash)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)