# Grok 4.20 vs Qwen3.6-27B

> Side-by-side benchmark comparison for Grok 4.20 and Qwen3.6-27B across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/grok-4-20-beta-vs-qwen3-6-27b
- Last updated: September 4, 2026

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

## Quick Verdict

Pick Grok 4.20 if you want the stronger benchmark profile. Qwen3.6-27B only makes more sense when its price, context window, or workload-specific category wins matter more than the overall score.

## Summary

- Grok 4.20 leads overall 67.01 to 52.73.
- The clearest category separation is in reasoning, where the averages are 34.2 for Grok 4.20 and 73.7 for Qwen3.6-27B.
- The biggest single benchmark swing is CharXiv in Multimodal & Grounded, with scores of 60.9% and 78.4%.
- Qwen3.6-27B is the cheaper option on output tokens, which matters if you expect large responses or heavy interactive use.
- Grok 4.20 also has the larger context window at 2M.

## Model Snapshot

| Property | Grok 4.20 | Qwen3.6-27B |
|----------|----------|----------|
| Creator | xAI | Alibaba |
| Type | Proprietary | Open Weight |
| Reasoning | Reasoning | Reasoning |
| Context | 2M | 262K |
| Overall Score | 67.01 | 52.73 |
| Benchmarks Covered | 23 | 38 |
| Pricing (input/output) | $2.00 / $6.00 | $0.00 / $0.00 |

## Category Breakdown

### Agentic

- Winner: Qwen3.6-27B
- Grok 4.20 public-lane score: 26.5 (Supported · #144/151)
- Qwen3.6-27B public-lane score: 33.9 (Supported · #133/151)

| Benchmark | Grok 4.20 | Qwen3.6-27B | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.0 | 47.1% | 59.3% | Qwen3.6-27B |
| DeepSearchQA | 62.8% | Coming soon | Coming soon |
| Gert Labs | 38.36% | 54.84% | Qwen3.6-27B |
| Terminal-Bench 2.1 (Vals) | 44.2% | Coming soon | Coming soon |
| Claw-Eval | Coming soon | 72.4% | Coming soon |
| QwenClawBench | Coming soon | 53.4% | Coming soon |
| QwenWebBench | Coming soon | 1487 | Coming soon |
| AndroidWorld | Coming soon | 70.3% | Coming soon |

### Coding

- Winner: Qwen3.6-27B
- Grok 4.20 public-lane score: 28.2 (Supported · #171/183)
- Qwen3.6-27B public-lane score: 42.6 (Supported · #128/183)

| Benchmark | Grok 4.20 | Qwen3.6-27B | Winner |
|-----------|-----------|-----------|--------|
| LiveCodeBench Pro | 74.2% | Coming soon | Coming soon |
| SWE-bench Verified | 76.7% | 77.2% | Qwen3.6-27B |
| SWE-bench Pro | 51.8% | 53.5% | Qwen3.6-27B |
| Vibe Code Bench | 4.06% | Coming soon | Coming soon |
| LiveCodeBench (Vals) | 84.3% | Coming soon | Coming soon |
| SWE-bench (Vals) | 72.2% | Coming soon | Coming soon |
| SWE Multilingual | Coming soon | 71.3% | Coming soon |
| Terminal-Bench 2.0 | Coming soon | 59.3% | Coming soon |
| LiveCodeBench | Coming soon | 83.9% | Coming soon |
| NL2Repo | Coming soon | 36.2% | Coming soon |

### Multimodal & Grounded

- Winner: Qwen3.6-27B
- Grok 4.20 public-lane score: 34.1 (#43/48)
- Qwen3.6-27B public-lane score: 51.5 (#35/48)

| Benchmark | Grok 4.20 | Qwen3.6-27B | Winner |
|-----------|-----------|-----------|--------|
| MMMU-Pro | 75.2% | 75.8% | Qwen3.6-27B |
| CharXiv | 60.9% | 78.4% | Qwen3.6-27B |
| ERQA | 54.1% | 62.5% | Qwen3.6-27B |
| SimpleVQA | 57.4% | 56.1% | Grok 4.20 |
| MedXpertQA (MM) | 65.8% | Coming soon | Coming soon |
| MMMU | Coming soon | 82.9% | Coming soon |
| RealWorldQA | Coming soon | 84.1% | Coming soon |
| DynaMath | Coming soon | 85.6% | Coming soon |
| MStar | Coming soon | 81.4% | Coming soon |
| CC-OCR | Coming soon | 81.2% | Coming soon |
| CountBench | Coming soon | 97.8% | Coming soon |
| RefCOCO (avg) | Coming soon | 92.5% | Coming soon |
| Video-MME (with subtitle) | Coming soon | 87.7% | Coming soon |
| VideoMMMU | Coming soon | 84.4% | Coming soon |
| MLVU (M-Avg) | Coming soon | 86.6% | Coming soon |
| V* | Coming soon | 94.7% | Coming soon |

### Reasoning

- Winner: Coming soon
- Grok 4.20 public-lane score: 34.2 (Unranked · 2 rankable rows)
- Qwen3.6-27B public-lane score: 73.7 (Unranked · 2 rankable rows)

| Benchmark | Grok 4.20 | Qwen3.6-27B | Winner |
|-----------|-----------|-----------|--------|
| ARC-AGI-2 | 53.3% | Coming soon | Coming soon |
| ARC-AGI-3 | 0.1% | Coming soon | Coming soon |

### Knowledge

- Winner: Coming soon
- Grok 4.20 public-lane score: 48.8 (Supported · #96/181)
- Qwen3.6-27B public-lane score: 49 (Estimated · #95/181)

| Benchmark | Grok 4.20 | Qwen3.6-27B | Winner |
|-----------|-----------|-----------|--------|
| GPQA-D | 88.5% | Coming soon | Coming soon |
| HLE w/o tools | 31.6% | Coming soon | Coming soon |
| HealthBench Hard | 20.3% | Coming soon | Coming soon |
| MedXpertQA (Text) | 50.2% | Coming soon | Coming soon |
| GPQA Diamond (Vals) | 88.6% | Coming soon | Coming soon |
| MMLU-Pro (Vals) | 86.3% | Coming soon | Coming soon |
| MMLU-Pro | Coming soon | 86.2% | Coming soon |
| MMLU-Redux | Coming soon | 93.5% | Coming soon |
| SuperGPQA | Coming soon | 66% | Coming soon |
| C-Eval | Coming soon | 91.4% | Coming soon |
| GPQA | Coming soon | 87.8% | Coming soon |
| HLE | Coming soon | 24% | Coming soon |

### Instruction Following

- Winner: Coming soon
- Grok 4.20 public-lane score: Coming soon
- Qwen3.6-27B public-lane score: 82.2 (#50/120)

### Mathematics

- Winner: Coming soon
- Grok 4.20 public-lane score: Coming soon
- Qwen3.6-27B public-lane score: 72.8 (Unranked · 5 rankable rows)

| Benchmark | Grok 4.20 | Qwen3.6-27B | Winner |
|-----------|-----------|-----------|--------|
| HMMT Feb 2025 | Coming soon | 93.8% | Coming soon |
| HMMT Nov 2025 | Coming soon | 90.7% | Coming soon |
| HMMT Feb 2026 | Coming soon | 84.3% | Coming soon |
| MMAnswerBench | Coming soon | 80.8% | Coming soon |
| AIME26 | Coming soon | 94.1% | Coming soon |

## FAQ

### Which is better overall, Grok 4.20 or Qwen3.6-27B?

Grok 4.20 is ahead overall on BenchLM right now.

### Where is the biggest gap between Grok 4.20 and Qwen3.6-27B?

The widest category gap is in reasoning, where the averages are 34.2 for Grok 4.20 and 73.7 for Qwen3.6-27B.

### How many benchmarks does Grok 4.20 cover on BenchLM?

Grok 4.20 currently has 23 sourced benchmark scores on BenchLM.

### How many benchmarks does Qwen3.6-27B cover on BenchLM?

Qwen3.6-27B currently has 38 sourced benchmark scores on BenchLM.

## Related Comparisons

- [Grok 4.20 vs Grok 4.20 Multi-agent](/compare/grok-4-20-beta-vs-grok-4-20-multi-agent-beta)
- [Qwen3.6-27B vs Grok 4.20 Multi-agent](/compare/grok-4-20-multi-agent-beta-vs-qwen3-6-27b)
- [Grok 4.20 vs Claude Fable 5.1](/compare/claude-fable-5-1-vs-grok-4-20-beta)
- [Qwen3.6-27B vs Claude Fable 5.1](/compare/claude-fable-5-1-vs-qwen3-6-27b)

## Explore More

- [Grok 4.20 profile](/models/grok-4-20-beta)
- [Qwen3.6-27B profile](/models/qwen3-6-27b)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)