# Grok 4.20 vs Qwen3.6 Plus

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

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

- Shared sourced benchmarks: 12
- 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 57.6 to 53.73. 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 73.9 for Qwen3.6 Plus.
- The biggest single benchmark swing is Vibe Code Bench in Coding, with scores of 4.06% and 25.56%.
- Qwen3.6 Plus 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 Plus |
|----------|----------|----------|
| Creator | xAI | Alibaba |
| Type | Proprietary | Proprietary |
| Reasoning | Reasoning | Reasoning |
| Context | 2M | 1M |
| Overall Score | 57.6 | 53.73 |
| Benchmarks Covered | 24 | 49 |
| Pricing (input/output) | $1.25 / $2.50 | Pricing unavailable / Pricing unavailable |

## Category Breakdown

### Agentic

- Winner: Qwen3.6 Plus
- Grok 4.20 public-lane score: 25.6 (Supported · #109/134)
- Qwen3.6 Plus public-lane score: 34.9 (Supported · #87/134)

| Benchmark | Grok 4.20 | Qwen3.6 Plus | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.0 | 47.1% | 61.6% | Qwen3.6 Plus |
| DeepSearchQA | 62.8% | Coming soon | Coming soon |
| Gert Labs | 38.36% | 50.60% | Qwen3.6 Plus |
| Terminal-Bench 2.1 (Vals) | 44.2% | 53.2% | Qwen3.6 Plus |
| MazeBench | 0% | Coming soon | Coming soon |
| Claw-Eval | Coming soon | 58.8% | Coming soon |
| QwenClawBench | Coming soon | 57.2% | Coming soon |
| τ³-bench results | Coming soon | 70.7% | Coming soon |
| VITA-Bench | Coming soon | 44.3% | Coming soon |
| DeepPlanning | Coming soon | 41.5% | Coming soon |
| Toolathlon | Coming soon | 39.8% | Coming soon |
| MCP Atlas | Coming soon | 48.2% | Coming soon |
| MCP-Tasks | Coming soon | 74.1% | Coming soon |
| WideResearch | Coming soon | 74.3% | Coming soon |
| ResearchClawBench | Coming soon | 18.0% | Coming soon |

### Coding

- Winner: Qwen3.6 Plus
- Grok 4.20 public-lane score: 21.8 (Supported · #122/155)
- Qwen3.6 Plus public-lane score: 40.3 (Supported · #69/155)

| Benchmark | Grok 4.20 | Qwen3.6 Plus | Winner |
|-----------|-----------|-----------|--------|
| LiveCodeBench Pro | 74.2% | Coming soon | Coming soon |
| SWE-bench Verified | 76.7% | 78.8% | Qwen3.6 Plus |
| SWE-bench Pro | 51.8% | 56.6% | Qwen3.6 Plus |
| Vibe Code Bench | 4.06% | 25.56% | Qwen3.6 Plus |
| LiveCodeBench (Vals) | 84.3% | 86.0% | Qwen3.6 Plus |
| SWE-bench (Vals) | 72.2% | 73.4% | Qwen3.6 Plus |
| SWE Multilingual | Coming soon | 73.8% | Coming soon |
| LiveCodeBench v6 | Coming soon | 87.1% | Coming soon |
| NL2Repo | Coming soon | 37.9% | Coming soon |
| Terminal-Bench 2.0 | Coming soon | 61.6% | Coming soon |

### Reasoning

- Winner: Not comparable
- Grok 4.20 public-lane score: 44.9 (Unranked · 2 rankable rows)
- Qwen3.6 Plus public-lane score: 73.9 (Unranked · 4 rankable rows)

| Benchmark | Grok 4.20 | Qwen3.6 Plus | Winner |
|-----------|-----------|-----------|--------|
| ARC-AGI-2 | 53.3% | Coming soon | Coming soon |
| ARC-AGI-3 | 0.1% | Coming soon | Coming soon |
| AI-Needle | Coming soon | 68.3% | Coming soon |
| LongBench v2 | Coming soon | 62% | Coming soon |

### Multimodal & Grounded

- Winner: Qwen3.6 Plus
- Grok 4.20 public-lane score: 54.3 (#50/58)
- Qwen3.6 Plus public-lane score: 75.9 (#24/58)

| Benchmark | Grok 4.20 | Qwen3.6 Plus | Winner |
|-----------|-----------|-----------|--------|
| MMMU-Pro | 75.2% | 78.8% | Qwen3.6 Plus |
| CharXiv | 60.9% | 81.5% | Qwen3.6 Plus |
| ERQA | 54.1% | Coming soon | Coming soon |
| SimpleVQA | 57.4% | Coming soon | Coming soon |
| MedXpertQA (MM) | 65.8% | Coming soon | Coming soon |
| MMMU | Coming soon | 86.0% | Coming soon |
| MathVision | Coming soon | 88.0% | Coming soon |
| VideoMMMU | Coming soon | 84.0% | Coming soon |
| ScreenSpot Pro | Coming soon | 68.2% | Coming soon |
| V* | Coming soon | 96.9% | Coming soon |

### Knowledge

- Winner: Tie
- Grok 4.20 public-lane score: 52.8 (Supported · #72/189)
- Qwen3.6 Plus public-lane score: 53.2 (Supported · #69/189)

| Benchmark | Grok 4.20 | Qwen3.6 Plus | 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% | 87.4% | Grok 4.20 |
| MMLU-Pro (Vals) | 86.3% | 87.7% | Qwen3.6 Plus |
| GPQA | Coming soon | 90.4% | Coming soon |
| SuperGPQA | Coming soon | 71.6% | Coming soon |
| MMLU-Pro | Coming soon | 88.5% | Coming soon |
| MMLU-Redux | Coming soon | 94.5% | Coming soon |
| C-Eval | Coming soon | 93.3% | Coming soon |
| HLE | Coming soon | 28.8% | Coming soon |

### Multilingual

- Winner: Not comparable
- Grok 4.20 public-lane score: Coming soon
- Qwen3.6 Plus public-lane score: 93.8 (#4/17)

| Benchmark | Grok 4.20 | Qwen3.6 Plus | Winner |
|-----------|-----------|-----------|--------|
| MMLU-ProX | Coming soon | 84.7% | Coming soon |
| NOVA-63 | Coming soon | 57.9% | Coming soon |

### Instruction Following

- Winner: Not comparable
- Grok 4.20 public-lane score: Coming soon
- Qwen3.6 Plus public-lane score: 85.8 (#50/156)

| Benchmark | Grok 4.20 | Qwen3.6 Plus | Winner |
|-----------|-----------|-----------|--------|
| IFEval | Coming soon | 94.3% | Coming soon |
| IFBench | Coming soon | 75.8% | Coming soon |

### Mathematics

- Winner: Not comparable
- Grok 4.20 public-lane score: Coming soon
- Qwen3.6 Plus public-lane score: 69.5 (#6/12)

| Benchmark | Grok 4.20 | Qwen3.6 Plus | Winner |
|-----------|-----------|-----------|--------|
| AIME26 | Coming soon | 95.3% | Coming soon |
| HMMT Feb 2025 | Coming soon | 96.7% | Coming soon |
| HMMT Nov 2025 | Coming soon | 94.6% | Coming soon |
| HMMT Feb 2026 | Coming soon | 87.8% | Coming soon |
| MMAnswerBench | Coming soon | 83.8% | Coming soon |
| FrontierMath v2 (Tiers 1-3) | Coming soon | 38.246% | Coming soon |

## FAQ

### Which is better overall, Grok 4.20 or Qwen3.6 Plus?

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 Plus?

The widest category gap is in reasoning, where the averages are 44.9 for Grok 4.20 and 73.9 for Qwen3.6 Plus.

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

Grok 4.20 currently has 24 sourced benchmark scores on BenchLM.

### How many benchmarks does Qwen3.6 Plus cover on BenchLM?

Qwen3.6 Plus currently has 49 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 Plus vs Grok 4.20 Multi-agent](/compare/grok-4-20-multi-agent-beta-vs-qwen3-6-plus)
- [Grok 4.20 vs Claude Opus 5.5](/compare/claude-opus-5-5-vs-grok-4-20-beta)
- [Qwen3.6 Plus vs Claude Opus 5.5](/compare/claude-opus-5-5-vs-qwen3-6-plus)

## Explore More

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