# dots3-note Preview vs Seed 2.1 Pro

> Side-by-side benchmark comparison for dots3-note Preview and Seed 2.1 Pro across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/dots3-note-preview-vs-seed-2-1-pro
- Last updated: September 10, 2026

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

## Quick Verdict

Pick dots3-note Preview 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

- dots3-note Preview leads overall 64.41 to 0.
- The biggest single benchmark swing is BabyVision in Multimodal & Grounded, with scores of 50.0% and 73.7%.
- Seed 2.1 Pro is the cheaper option on output tokens, which matters if you expect large responses or heavy interactive use.
- dots3-note Preview also has the larger context window at 512K.

## Model Snapshot

| Property | dots3-note Preview | Seed 2.1 Pro |
|----------|----------|----------|
| Creator | Dots Studio | ByteDance |
| Type | Open Weight | Proprietary |
| Reasoning | Reasoning | Reasoning |
| Context | 512K | 256K |
| Overall Score | 64.41 | null |
| Benchmarks Covered | 31 | 11 |
| Pricing (input/output) | $0.00 / $0.00 | Pricing unavailable / Pricing unavailable |

## Category Breakdown

### Agentic

- Winner: Coming soon
- dots3-note Preview public-lane score: 59.3 (Estimated · #25/152)
- Seed 2.1 Pro public-lane score: Coming soon

| Benchmark | dots3-note Preview | Seed 2.1 Pro | Winner |
|-----------|-----------|-----------|--------|
| Claw-Eval | 73.4% | Coming soon | Coming soon |
| Terminal-Bench 2.1 | 75.1% | 71.0% | dots3-note Preview |
| Toolathlon-Verified | 55.6% | Coming soon | Coming soon |
| skillsBench | 52.8% | Coming soon | Coming soon |
| APEX-Agents | 30.8% | Coming soon | Coming soon |
| BrowseComp | 83.3% | Coming soon | Coming soon |
| HLE w/ tools | 52.6% | Coming soon | Coming soon |
| DeepSearchQA | 92.1% | Coming soon | Coming soon |
| WideResearch | 78.9% | Coming soon | Coming soon |

### Coding

- Winner: Coming soon
- dots3-note Preview public-lane score: 57.2 (Estimated · #34/151)
- Seed 2.1 Pro public-lane score: Coming soon

| Benchmark | dots3-note Preview | Seed 2.1 Pro | Winner |
|-----------|-----------|-----------|--------|
| Codeforces | 3056.0 | Coming soon | Coming soon |
| LiveCodeBench v6 | 91.5% | Coming soon | Coming soon |
| Terminal-Bench 2.1 | 75.1% | 71.0% | dots3-note Preview |
| SWE-bench Verified | 78.4% | Coming soon | Coming soon |
| SWE Multilingual | 75.7% | Coming soon | Coming soon |
| SWE-bench Pro | 61% | Coming soon | Coming soon |
| NL2Repo | 49.8% | 47% | dots3-note Preview |

### Multimodal & Grounded

- Winner: Coming soon
- dots3-note Preview public-lane score: 66.1 (Unranked · 10 rankable rows)
- Seed 2.1 Pro public-lane score: Coming soon

| Benchmark | dots3-note Preview | Seed 2.1 Pro | Winner |
|-----------|-----------|-----------|--------|
| SimpleVQA | 72.5% | Coming soon | Coming soon |
| MMMU-Pro | 79.1% | 81.6% | Seed 2.1 Pro |
| MathVision | 87.7% | 92.6% | Seed 2.1 Pro |
| ZeroBench | 19.0% | 18.0% | dots3-note Preview |
| CharXiv w/o tools | 83.1% | Coming soon | Coming soon |
| GDP.pdf (no tools) | 60.7% | Coming soon | Coming soon |
| PerceptionBench | 53.4% | Coming soon | Coming soon |
| BabyVision | 50.0% | 73.7% | Seed 2.1 Pro |
| MMVU | 79.9% | Coming soon | Coming soon |
| VideoMMMU | 86.8% | Coming soon | Coming soon |
| CharXiv | Coming soon | 85.4% | Coming soon |
| ERQA | Coming soon | 72.0% | Coming soon |
| Video-MME | Coming soon | 89.2% | Coming soon |

### Reasoning

- Winner: Coming soon
- dots3-note Preview public-lane score: 68.3 (Unranked · 1 rankable row)
- Seed 2.1 Pro public-lane score: Coming soon

| Benchmark | dots3-note Preview | Seed 2.1 Pro | Winner |
|-----------|-----------|-----------|--------|
| ARC-AGI-2 | 81.4% | Coming soon | Coming soon |

### Knowledge

- Winner: Coming soon
- dots3-note Preview public-lane score: 57.9 (Estimated · #42/183)
- Seed 2.1 Pro public-lane score: Coming soon

| Benchmark | dots3-note Preview | Seed 2.1 Pro | Winner |
|-----------|-----------|-----------|--------|
| HLE | 52.6% | Coming soon | Coming soon |
| SuperGPQA | Coming soon | 70.8% | Coming soon |

### Instruction Following

- Winner: Coming soon
- dots3-note Preview public-lane score: 86.3 (#38/123)
- Seed 2.1 Pro public-lane score: Coming soon

| Benchmark | dots3-note Preview | Seed 2.1 Pro | Winner |
|-----------|-----------|-----------|--------|
| IFBench | 80.4% | Coming soon | Coming soon |
| IFEval | 93.9% | Coming soon | Coming soon |

### Mathematics

- Winner: Coming soon
- dots3-note Preview public-lane score: Coming soon
- Seed 2.1 Pro public-lane score: Coming soon

| Benchmark | dots3-note Preview | Seed 2.1 Pro | Winner |
|-----------|-----------|-----------|--------|
| IMOAnswerBench | 90.9% | Coming soon | Coming soon |

## FAQ

### Which is better overall, dots3-note Preview or Seed 2.1 Pro?

dots3-note Preview is ahead overall on BenchLM right now.

### How many benchmarks does dots3-note Preview cover on BenchLM?

dots3-note Preview currently has 31 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

- [dots3-note Preview vs Seed 2.1 Turbo](/compare/dots3-note-preview-vs-seed-2-1-turbo)
- [Seed 2.1 Pro vs Seed 2.1 Turbo](/compare/seed-2-1-pro-vs-seed-2-1-turbo)
- [dots3-note Preview vs Claude Fable 5.1](/compare/claude-fable-5-1-vs-dots3-note-preview)
- [Seed 2.1 Pro vs Claude Fable 5.1](/compare/claude-fable-5-1-vs-seed-2-1-pro)

## Explore More

- [dots3-note Preview profile](/models/dots3-note-preview)
- [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)