# SWE-1.7 vs SWE-2 Flash

> Side-by-side benchmark comparison for SWE-1.7 and SWE-2 Flash across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/swe-1-7-vs-swe-2-flash
- Last updated: November 5, 2026

- Shared sourced benchmarks: 4
- HTML indexing: indexable
- Ranking lane: BenchAlign v5.8

## Quick Verdict

Pick SWE-1.7 if you want the stronger benchmark profile. SWE-2 Flash only makes more sense when its price, context window, or workload-specific category wins matter more than the overall score.

## Summary

- SWE-1.7 leads overall 64 to 0.
- The biggest single benchmark swing is FrontierCode 2.0 in Coding, with scores of 16.2% and 24.0%.
- SWE-2 Flash also has the larger context window at 1M.

## Model Snapshot

| Property | SWE-1.7 | SWE-2 Flash |
|----------|----------|----------|
| Creator | Cognition | Cognition |
| Type | Proprietary | Proprietary |
| Reasoning | Reasoning | Reasoning |
| Context | 256K | 1M |
| Overall Score | null | null |
| Benchmarks Covered | 5 | 7 |
| Pricing (input/output) | N/A | Pricing unavailable / Pricing unavailable |

## Category Breakdown

### Agentic

- Winner: Not comparable
- SWE-1.7 public-lane score: Coming soon
- SWE-2 Flash public-lane score: Coming soon

| Benchmark | SWE-1.7 | SWE-2 Flash | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.1 | 81.5% | 89.2% | SWE-2 Flash |
| Terminal-Bench 4.0 | Coming soon | 20.00% | Coming soon |

### Coding

- Winner: Not comparable
- SWE-1.7 public-lane score: Coming soon
- SWE-2 Flash public-lane score: Coming soon

| Benchmark | SWE-1.7 | SWE-2 Flash | Winner |
|-----------|-----------|-----------|--------|
| FrontierCode 1.1 Main | 42.3% | 45.5% | SWE-2 Flash |
| Terminal-Bench 2.1 | 81.5% | 89.2% | SWE-2 Flash |
| SWE Multilingual | 77.8% | Coming soon | Coming soon |
| FrontierCode 2.0 | 16.2% | 24.0% | SWE-2 Flash |
| DeepSWE | Coming soon | 60.1% | Coming soon |
| SWE-Atlas Codebase QnA | Coming soon | 50.0% | Coming soon |

## FAQ

### Which is better overall, SWE-1.7 or SWE-2 Flash?

SWE-1.7 is ahead overall on BenchLM right now.

### How many benchmarks does SWE-1.7 cover on BenchLM?

SWE-1.7 currently has 5 sourced benchmark scores on BenchLM.

### How many benchmarks does SWE-2 Flash cover on BenchLM?

SWE-2 Flash currently has 7 sourced benchmark scores on BenchLM.

## Related Comparisons

- [SWE-1.7 vs SWE-2](/compare/swe-1-7-vs-swe-2)
- [SWE-2 Flash vs SWE-2](/compare/swe-2-vs-swe-2-flash)
- [SWE-1.7 vs Gemini 4 Carbon](/compare/gemini-4-carbon-vs-swe-1-7)
- [SWE-2 Flash vs Gemini 4 Carbon](/compare/gemini-4-carbon-vs-swe-2-flash)

## Explore More

- [SWE-1.7 profile](/models/swe-1-7)
- [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)