# Grok 4.20 vs Qwen3.6-35B-A3B

> Side-by-side benchmark comparison for Grok 4.20 and Qwen3.6-35B-A3B across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/grok-4-20-beta-vs-qwen3-6-35b-a3b
- Last updated: October 14, 2026

- Shared sourced benchmarks: 7
- HTML indexing: indexable
- Ranking lane: BenchAlign v5.8

## Quick Verdict

Grok 4.20 leads by point estimate. Conditional score ranges do not establish rank confidence. Choose using the category evidence and your own workload tests.

## Summary

- Grok 4.20 has the higher overall point estimate 57.24 to 43.54. Conditional score ranges do not establish rank confidence.
- The clearest category separation is in reasoning, where the averages are 44.9 for Grok 4.20 and 75.1 for Qwen3.6-35B-A3B.
- The biggest single benchmark swing is CharXiv in Multimodal & Grounded, with scores of 60.9% and 78%.
- Grok 4.20 also has the larger context window at 2M.

## Model Snapshot

| Property | Grok 4.20 | Qwen3.6-35B-A3B |
|----------|----------|----------|
| Creator | xAI | Alibaba |
| Type | Proprietary | Open Weight |
| Reasoning | Reasoning | Reasoning |
| Context | 2M | 262K |
| Overall Score | 57.24 | 43.54 |
| Benchmarks Covered | 23 | 42 |
| Pricing (input/output) | $1.25 / $2.50 | N/A |

## Category Breakdown

### Agentic

- Winner: Directional only
- Grok 4.20 public-lane score: 24.3 (Supported · #100/124)
- Qwen3.6-35B-A3B public-lane score: 29.2 (Estimated · #90/124)

| Benchmark | Grok 4.20 | Qwen3.6-35B-A3B | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.0 | 47.1% | 51.5% | Qwen3.6-35B-A3B |
| DeepSearchQA | 62.8% | Coming soon | Coming soon |
| Gert Labs | 38.36% | 42.65% | Qwen3.6-35B-A3B |
| Terminal-Bench 2.1 (Vals) | 44.2% | Coming soon | Coming soon |
| Claw-Eval | Coming soon | 68.7% | Coming soon |
| QwenClawBench | Coming soon | 52.6% | Coming soon |
| QwenWebBench | Coming soon | 1397 | Coming soon |
| τ³-bench results | Coming soon | 67.2% | Coming soon |
| VITA-Bench | Coming soon | 35.6% | Coming soon |
| DeepPlanning | Coming soon | 25.9% | Coming soon |
| Toolathlon | Coming soon | 26.9% | Coming soon |
| MCP Atlas | Coming soon | 62.8% | Coming soon |
| WideResearch | Coming soon | 60.1% | Coming soon |

### Coding

- Winner: Directional only
- Grok 4.20 public-lane score: 21.8 (Supported · #117/149)
- Qwen3.6-35B-A3B public-lane score: 31.8 (Estimated · #89/149)

| Benchmark | Grok 4.20 | Qwen3.6-35B-A3B | Winner |
|-----------|-----------|-----------|--------|
| LiveCodeBench Pro | 74.2% | Coming soon | Coming soon |
| SWE-bench Verified | 76.7% | 73.4% | Grok 4.20 |
| SWE-bench Pro | 51.8% | 49.5% | Grok 4.20 |
| 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 | 67.2% | Coming soon |
| Terminal-Bench 2.0 | Coming soon | 51.5% | Coming soon |
| LiveCodeBench v6 | Coming soon | 80.4% | Coming soon |
| NL2Repo | Coming soon | 29.4% | Coming soon |

### Reasoning

- Winner: Not comparable
- Grok 4.20 public-lane score: 44.9 (Unranked · 2 rankable rows)
- Qwen3.6-35B-A3B public-lane score: 75.1 (Unranked · 2 rankable rows)

| Benchmark | Grok 4.20 | Qwen3.6-35B-A3B | Winner |
|-----------|-----------|-----------|--------|
| ARC-AGI-2 | 53.3% | Coming soon | Coming soon |
| ARC-AGI-3 | 0.1% | Coming soon | Coming soon |

### Multimodal & Grounded

- Winner: Qwen3.6-35B-A3B
- Grok 4.20 public-lane score: 53.4 (#47/54)
- Qwen3.6-35B-A3B public-lane score: 66.4 (#40/54)

| Benchmark | Grok 4.20 | Qwen3.6-35B-A3B | Winner |
|-----------|-----------|-----------|--------|
| MMMU-Pro | 75.2% | 75.3% | Qwen3.6-35B-A3B |
| CharXiv | 60.9% | 78% | Qwen3.6-35B-A3B |
| ERQA | 54.1% | Coming soon | Coming soon |
| SimpleVQA | 57.4% | 58.9% | Qwen3.6-35B-A3B |
| MedXpertQA (MM) | 65.8% | Coming soon | Coming soon |
| MMMU | Coming soon | 81.7% | Coming soon |
| RealWorldQA | Coming soon | 85.3% | Coming soon |
| OmniDocBench 1.5 | Coming soon | 89.9% | Coming soon |
| CC-OCR | Coming soon | 81.9% | Coming soon |
| AI2D_TEST | Coming soon | 92.7% | Coming soon |
| RefCOCO (avg) | Coming soon | 92.0% | Coming soon |
| ODINW13 | Coming soon | 50.8% | Coming soon |
| Video-MME (with subtitle) | Coming soon | 86.6% | Coming soon |
| Video-MME (w/o subtitle) | Coming soon | 82.5% | Coming soon |
| VideoMMMU | Coming soon | 83.7% | Coming soon |
| MLVU (M-Avg) | Coming soon | 86.2% | Coming soon |

### Knowledge

- Winner: Directional only
- Grok 4.20 public-lane score: 52.8 (Supported · #68/181)
- Qwen3.6-35B-A3B public-lane score: 42.9 (Estimated · #105/181)

| Benchmark | Grok 4.20 | Qwen3.6-35B-A3B | 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 | 85.2% | Coming soon |
| SuperGPQA | Coming soon | 64.7% | Coming soon |
| C-Eval | Coming soon | 90% | Coming soon |
| GPQA | Coming soon | 86% | Coming soon |
| HLE | Coming soon | 21.4% | Coming soon |

### Instruction Following

- Winner: Not comparable
- Grok 4.20 public-lane score: Coming soon
- Qwen3.6-35B-A3B public-lane score: 78.3 (#58/128)

### Mathematics

- Winner: Not comparable
- Grok 4.20 public-lane score: Coming soon
- Qwen3.6-35B-A3B public-lane score: 58.4 (#10/12)

| Benchmark | Grok 4.20 | Qwen3.6-35B-A3B | Winner |
|-----------|-----------|-----------|--------|
| HMMT Feb 2025 | Coming soon | 90.7% | Coming soon |
| HMMT Nov 2025 | Coming soon | 89.1% | Coming soon |
| HMMT Feb 2026 | Coming soon | 83.6% | Coming soon |
| MMAnswerBench | Coming soon | 78.9% | Coming soon |
| AIME26 | Coming soon | 92.7% | Coming soon |
| FrontierMath v2 (Tiers 1-3) | Coming soon | 20.351% | Coming soon |

## FAQ

### Which is better overall, Grok 4.20 or Qwen3.6-35B-A3B?

Grok 4.20 has the higher overall point estimate. Conditional score ranges do not establish rank confidence.

### Where is the biggest gap between Grok 4.20 and Qwen3.6-35B-A3B?

The widest category gap is in reasoning, where the averages are 44.9 for Grok 4.20 and 75.1 for Qwen3.6-35B-A3B.

### 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 Qwen3.6-35B-A3B cover on BenchLM?

Qwen3.6-35B-A3B currently has 42 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)
- [Qwen3.6-35B-A3B vs Grok 4.20 Multi-agent](/compare/grok-4-20-multi-agent-beta-vs-qwen3-6-35b-a3b)
- [Grok 4.20 vs Claude Opus 5.5](/compare/claude-opus-5-5-vs-grok-4-20-beta)
- [Qwen3.6-35B-A3B vs Claude Opus 5.5](/compare/claude-opus-5-5-vs-qwen3-6-35b-a3b)

## Explore More

- [Grok 4.20 profile](/models/grok-4-20-beta)
- [Qwen3.6-35B-A3B profile](/models/qwen3-6-35b-a3b)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)