# Grok 4.5 vs SWE-2 Flash

> Side-by-side benchmark comparison for Grok 4.5 and SWE-2 Flash across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/grok-4-5-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: Grok 4.5 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 | Grok 4.5 | SWE-2 Flash |
|----------|----------|----------|
| Creator | xAI | Cognition |
| Type | Proprietary | Proprietary |
| Reasoning | Reasoning | Reasoning |
| Context | 500K | 1M |
| Independent public score (not head-to-head) | 63.03 | null |
| Benchmarks Covered | 19 | 7 |
| Pricing (input/output) | $2.00 / $6.00 | Pricing unavailable / Pricing unavailable |

## Category Breakdown

### Agentic

- Winner: Insufficient shared evidence
- Grok 4.5 public-lane score: 61.3 (Supported · #24/135)
- SWE-2 Flash public-lane score: Coming soon

| Benchmark | Grok 4.5 | SWE-2 Flash | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 3.0 | 15.7% | Coming soon | Coming soon |
| Terminal-Bench 2.1 | 83.3% | 89.2% | SWE-2 Flash |
| deepSwe | 53% | Coming soon | Coming soon |
| Terminal-Bench 2.1 (Vals) | 67.8% | Coming soon | Coming soon |
| Terminal-Bench 4.0 | Coming soon | 20.00% | Coming soon |

### Coding

- Winner: Insufficient shared evidence
- Grok 4.5 public-lane score: 55.4 (Supported · #28/156)
- SWE-2 Flash public-lane score: Coming soon

| Benchmark | Grok 4.5 | SWE-2 Flash | Winner |
|-----------|-----------|-----------|--------|
| SWE-bench Pro | 64.7% | Coming soon | Coming soon |
| SWE Multilingual | 78% | Coming soon | Coming soon |
| Terminal-Bench 2.1 | 83.3% | 89.2% | SWE-2 Flash |
| CursorBench 3.2 | 66.7% | Coming soon | Coming soon |
| VulcanBench v3 | 89.9% | Coming soon | Coming soon |
| LiveCodeBench (Vals) | 87.4% | Coming soon | Coming soon |
| SWE-bench (Vals) | 86.6% | Coming soon | Coming soon |
| PostTrainBench v1.1 | 23.4% | Coming soon | Coming soon |
| 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
- Grok 4.5 public-lane score: 54.1 (#26/26)
- SWE-2 Flash public-lane score: Coming soon

| Benchmark | Grok 4.5 | SWE-2 Flash | Winner |
|-----------|-----------|-----------|--------|
| ARC-AGI-2 | 52.6% | Coming soon | Coming soon |
| ARC-AGI-3 | 0.3% | Coming soon | Coming soon |
| ARC-AGI-1 | 85.67% | Coming soon | Coming soon |

### Multimodal & Grounded

- Winner: Insufficient shared evidence
- Grok 4.5 public-lane score: 83.2 (Unranked · 1 rankable row)
- SWE-2 Flash public-lane score: Coming soon

### Knowledge

- Winner: Insufficient shared evidence
- Grok 4.5 public-lane score: 66.6 (Supported · #25/177)
- SWE-2 Flash public-lane score: Coming soon

| Benchmark | Grok 4.5 | SWE-2 Flash | Winner |
|-----------|-----------|-----------|--------|
| GPQA Diamond (Vals) | 92.9% | Coming soon | Coming soon |
| MMLU-Pro (Vals) | 89.2% | Coming soon | Coming soon |

### Mathematics

- Winner: Insufficient shared evidence
- Grok 4.5 public-lane score: 62.9 (Unranked · 2 rankable rows)
- SWE-2 Flash public-lane score: Coming soon

| Benchmark | Grok 4.5 | SWE-2 Flash | Winner |
|-----------|-----------|-----------|--------|
| FrontierMath v2 (Tiers 1-3) | 57.193% | Coming soon | Coming soon |
| FrontierMath v2 (Tier 4) | 24.390% | Coming soon | Coming soon |

## FAQ

### Is there enough evidence to pick between Grok 4.5 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

- [Grok 4.5 vs SWE-1.7](/compare/grok-4-5-vs-swe-1-7)
- [SWE-2 Flash vs SWE-1.7](/compare/swe-1-7-vs-swe-2-flash)
- [Grok 4.5 vs SWE-2](/compare/grok-4-5-vs-swe-2)
- [SWE-2 Flash vs SWE-2](/compare/swe-2-vs-swe-2-flash)

## Explore More

- [Grok 4.5 profile](/models/grok-4-5)
- [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)