# Qwen3.6 Plus vs Seed 2.1 Pro

> Side-by-side benchmark comparison for Qwen3.6 Plus and Seed 2.1 Pro across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/qwen3-6-plus-vs-seed-2-1-pro
- Last updated: September 10, 2026

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

## Quick Verdict

Pick Qwen3.6 Plus if you want the stronger benchmark profile. Seed 2.1 Pro only makes more sense when its price, context window, or workload-specific category wins matter more than the overall score.

## Summary

- Qwen3.6 Plus leads overall 60.4 to 0.
- The biggest single benchmark swing is MathVision in Multimodal & Grounded, with scores of 88.0% and 92.6%.
- Qwen3.6 Plus also has the larger context window at 1M.

## Model Snapshot

| Property | Qwen3.6 Plus | Seed 2.1 Pro |
|----------|----------|----------|
| Creator | Alibaba | ByteDance |
| Type | Proprietary | Proprietary |
| Reasoning | Reasoning | Reasoning |
| Context | 1M | 256K |
| Overall Score | 60.4 | null |
| Benchmarks Covered | 48 | 11 |
| Pricing (input/output) | Pricing unavailable / Pricing unavailable | Pricing unavailable / Pricing unavailable |

## Category Breakdown

### Agentic

- Winner: Coming soon
- Qwen3.6 Plus public-lane score: 36 (Supported · #132/152)
- Seed 2.1 Pro public-lane score: Coming soon

| Benchmark | Qwen3.6 Plus | Seed 2.1 Pro | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.0 | 61.6% | Coming soon | Coming soon |
| Claw-Eval | 58.8% | Coming soon | Coming soon |
| QwenClawBench | 57.2% | Coming soon | Coming soon |
| τ³-bench results | 70.7% | Coming soon | Coming soon |
| VITA-Bench | 44.3% | Coming soon | Coming soon |
| DeepPlanning | 41.5% | Coming soon | Coming soon |
| Toolathlon | 39.8% | Coming soon | Coming soon |
| MCP Atlas | 48.2% | Coming soon | Coming soon |
| MCP-Tasks | 74.1% | Coming soon | Coming soon |
| WideResearch | 74.3% | Coming soon | Coming soon |
| Gert Labs | 50.60% | Coming soon | Coming soon |
| ResearchClawBench | 18.0% | Coming soon | Coming soon |
| Terminal-Bench 2.1 (Vals) | 53.2% | Coming soon | Coming soon |
| Terminal-Bench 2.1 | Coming soon | 71.0% | Coming soon |

### Coding

- Winner: Coming soon
- Qwen3.6 Plus public-lane score: 46.9 (Supported · #76/151)
- Seed 2.1 Pro public-lane score: Coming soon

| Benchmark | Qwen3.6 Plus | Seed 2.1 Pro | Winner |
|-----------|-----------|-----------|--------|
| SWE-bench Verified | 78.8% | Coming soon | Coming soon |
| SWE-bench Pro | 56.6% | Coming soon | Coming soon |
| SWE Multilingual | 73.8% | Coming soon | Coming soon |
| LiveCodeBench v6 | 87.1% | Coming soon | Coming soon |
| Vibe Code Bench | 25.56% | Coming soon | Coming soon |
| LiveCodeBench (Vals) | 86.0% | Coming soon | Coming soon |
| SWE-bench (Vals) | 73.4% | Coming soon | Coming soon |
| Terminal-Bench 2.1 | Coming soon | 71.0% | Coming soon |
| NL2Repo | Coming soon | 47% | Coming soon |

### Multimodal & Grounded

- Winner: Coming soon
- Qwen3.6 Plus public-lane score: 66.3 (#22/48)
- Seed 2.1 Pro public-lane score: Coming soon

| Benchmark | Qwen3.6 Plus | Seed 2.1 Pro | Winner |
|-----------|-----------|-----------|--------|
| MMMU | 86.0% | Coming soon | Coming soon |
| MMMU-Pro | 78.8% | 81.6% | Seed 2.1 Pro |
| MathVision | 88.0% | 92.6% | Seed 2.1 Pro |
| VideoMMMU | 84.0% | Coming soon | Coming soon |
| ScreenSpot Pro | 68.2% | Coming soon | Coming soon |
| CharXiv | 81.5% | 85.4% | Seed 2.1 Pro |
| V* | 96.9% | Coming soon | Coming soon |
| ZeroBench | Coming soon | 18.0% | Coming soon |
| BabyVision | Coming soon | 73.7% | Coming soon |
| ERQA | Coming soon | 72.0% | Coming soon |
| Video-MME | Coming soon | 89.2% | Coming soon |

### Reasoning

- Winner: Coming soon
- Qwen3.6 Plus public-lane score: 60.1 (Unranked · 4 rankable rows)
- Seed 2.1 Pro public-lane score: Coming soon

| Benchmark | Qwen3.6 Plus | Seed 2.1 Pro | Winner |
|-----------|-----------|-----------|--------|
| AI-Needle | 68.3% | Coming soon | Coming soon |
| LongBench v2 | 62% | Coming soon | Coming soon |

### Knowledge

- Winner: Coming soon
- Qwen3.6 Plus public-lane score: 54 (Supported · #60/183)
- Seed 2.1 Pro public-lane score: Coming soon

| Benchmark | Qwen3.6 Plus | Seed 2.1 Pro | Winner |
|-----------|-----------|-----------|--------|
| GPQA | 90.4% | Coming soon | Coming soon |
| SuperGPQA | 71.6% | 70.8% | Qwen3.6 Plus |
| MMLU-Pro | 88.5% | Coming soon | Coming soon |
| MMLU-Redux | 94.5% | Coming soon | Coming soon |
| C-Eval | 93.3% | Coming soon | Coming soon |
| HLE | 28.8% | Coming soon | Coming soon |
| GPQA Diamond (Vals) | 87.4% | Coming soon | Coming soon |
| MMLU-Pro (Vals) | 87.7% | Coming soon | Coming soon |

### Instruction Following

- Winner: Coming soon
- Qwen3.6 Plus public-lane score: 85.5 (#43/123)
- Seed 2.1 Pro public-lane score: Coming soon

| Benchmark | Qwen3.6 Plus | Seed 2.1 Pro | Winner |
|-----------|-----------|-----------|--------|
| IFEval | 94.3% | Coming soon | Coming soon |
| IFBench | 75.8% | Coming soon | Coming soon |

### Multilingual

- Winner: Coming soon
- Qwen3.6 Plus public-lane score: 69.7 (#4/12)
- Seed 2.1 Pro public-lane score: Coming soon

| Benchmark | Qwen3.6 Plus | Seed 2.1 Pro | Winner |
|-----------|-----------|-----------|--------|
| MMLU-ProX | 84.7% | Coming soon | Coming soon |
| NOVA-63 | 57.9% | Coming soon | Coming soon |

### Mathematics

- Winner: Coming soon
- Qwen3.6 Plus public-lane score: 62.4 (#4/7)
- Seed 2.1 Pro public-lane score: Coming soon

| Benchmark | Qwen3.6 Plus | Seed 2.1 Pro | Winner |
|-----------|-----------|-----------|--------|
| AIME26 | 95.3% | Coming soon | Coming soon |
| HMMT Feb 2025 | 96.7% | Coming soon | Coming soon |
| HMMT Nov 2025 | 94.6% | Coming soon | Coming soon |
| HMMT Feb 2026 | 87.8% | Coming soon | Coming soon |
| MMAnswerBench | 83.8% | Coming soon | Coming soon |
| FrontierMath v2 (Tiers 1-3) | 26.207% | Coming soon | Coming soon |
| FrontierMath v2 (Tier 4) | 8.333% | Coming soon | Coming soon |

## FAQ

### Which is better overall, Qwen3.6 Plus or Seed 2.1 Pro?

Qwen3.6 Plus is ahead overall on BenchLM right now.

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

Qwen3.6 Plus currently has 48 sourced benchmark scores on BenchLM.

### How many benchmarks does Seed 2.1 Pro cover on BenchLM?

Seed 2.1 Pro currently has 11 sourced benchmark scores on BenchLM.

## Related Comparisons

- [Qwen3.6 Plus vs Seed 2.1 Turbo](/compare/qwen3-6-plus-vs-seed-2-1-turbo)
- [Seed 2.1 Pro vs Seed 2.1 Turbo](/compare/seed-2-1-pro-vs-seed-2-1-turbo)
- [Qwen3.6 Plus vs Claude Fable 5.1](/compare/claude-fable-5-1-vs-qwen3-6-plus)
- [Seed 2.1 Pro vs Claude Fable 5.1](/compare/claude-fable-5-1-vs-seed-2-1-pro)

## Explore More

- [Qwen3.6 Plus profile](/models/qwen3-6-plus)
- [Seed 2.1 Pro profile](/models/seed-2-1-pro)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)