# dots3-note Preview vs Spark-X2.6-4B

> Side-by-side benchmark comparison for dots3-note Preview and Spark-X2.6-4B across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/dots3-note-preview-vs-spark-x2-6-4b
- Last updated: October 20, 2026

- Shared sourced benchmarks: 9
- HTML indexing: indexable
- Ranking lane: BenchAlign v5.8

## Quick Verdict

dots3-note Preview leads by point estimate. Conditional score ranges do not establish rank confidence. Choose using the category evidence and your own workload tests.

## Summary

- dots3-note Preview has the higher overall point estimate 64.15 to 40.14. Conditional score ranges do not establish rank confidence.
- The clearest category separation is in reasoning, where the averages are 76.6 for dots3-note Preview and 48.8 for Spark-X2.6-4B.
- The biggest single benchmark swing is BrowseComp in Agentic, with scores of 83.3% and 53.1%.
- Spark-X2.6-4B also has the larger context window at 1M.

## Model Snapshot

| Property | dots3-note Preview | Spark-X2.6-4B |
|----------|----------|----------|
| Creator | Dots Studio | SparkLLM |
| Type | Open Weight | Open Weight |
| Reasoning | Reasoning | Reasoning |
| Context | 512K | 1M |
| Overall Score | 64.15 | 40.14 |
| Benchmarks Covered | 31 | 20 |
| Pricing (input/output) | $0.00 / $0.00 | $0.00 / $0.00 |

## Category Breakdown

### Agentic

- Winner: Directional only
- dots3-note Preview public-lane score: 59.6 (Estimated · #30/131)
- Spark-X2.6-4B public-lane score: 33 (Estimated · #89/131)

| Benchmark | dots3-note Preview | Spark-X2.6-4B | Winner |
|-----------|-----------|-----------|--------|
| Claw-Eval | 73.4% | 69.9% | dots3-note Preview |
| Terminal-Bench 2.1 | 75.1% | Coming soon | Coming soon |
| 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% | 53.1% | dots3-note Preview |
| HLE w/ tools | 52.6% | 36.9% | dots3-note Preview |
| DeepSearchQA | 92.1% | Coming soon | Coming soon |
| WideResearch | 78.9% | Coming soon | Coming soon |
| BFCL v4 | Coming soon | 71.8% | Coming soon |
| τ²-bench results | Coming soon | 86.9% | Coming soon |
| MCP Atlas | Coming soon | 62.4% | Coming soon |
| τ³-bench results | Coming soon | 34.7% | Coming soon |

### Coding

- Winner: Not comparable
- dots3-note Preview public-lane score: Coming soon
- Spark-X2.6-4B public-lane score: 30.6 (Estimated · #95/152)

| Benchmark | dots3-note Preview | Spark-X2.6-4B | Winner |
|-----------|-----------|-----------|--------|
| Codeforces | 3056.0 | Coming soon | Coming soon |
| LiveCodeBench v6 | 91.5% | Coming soon | Coming soon |
| Terminal-Bench 2.1 | 75.1% | Coming soon | Coming soon |
| SWE-bench Verified | 78.4% | 62.8% | dots3-note Preview |
| SWE Multilingual | 75.7% | 64.7% | dots3-note Preview |
| SWE-bench Pro | 61% | 54.3% | dots3-note Preview |
| NL2Repo | 49.8% | Coming soon | Coming soon |
| SciCode | Coming soon | 36.8% | Coming soon |

### Reasoning

- Winner: Not comparable
- dots3-note Preview public-lane score: 76.6 (Unranked · 1 rankable row)
- Spark-X2.6-4B public-lane score: 48.8 (Unranked · 2 rankable rows)

| Benchmark | dots3-note Preview | Spark-X2.6-4B | Winner |
|-----------|-----------|-----------|--------|
| ARC-AGI-2 | 81.4% | Coming soon | Coming soon |
| LongBench v2 | Coming soon | 53.3% | Coming soon |

### Multimodal & Grounded

- Winner: Not comparable
- dots3-note Preview public-lane score: 79.6 (Unranked · 10 rankable rows)
- Spark-X2.6-4B public-lane score: Coming soon

| Benchmark | dots3-note Preview | Spark-X2.6-4B | Winner |
|-----------|-----------|-----------|--------|
| SimpleVQA | 72.5% | Coming soon | Coming soon |
| MMMU-Pro | 79.1% | Coming soon | Coming soon |
| MathVision | 87.7% | Coming soon | Coming soon |
| ZeroBench | 19.0% | Coming soon | Coming soon |
| 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% | Coming soon | Coming soon |
| MMVU | 79.9% | Coming soon | Coming soon |
| VideoMMMU | 86.8% | Coming soon | Coming soon |

### Knowledge

- Winner: Not comparable
- dots3-note Preview public-lane score: Coming soon
- Spark-X2.6-4B public-lane score: 43 (Estimated · #109/187)

| Benchmark | dots3-note Preview | Spark-X2.6-4B | Winner |
|-----------|-----------|-----------|--------|
| HLE | 52.6% | Coming soon | Coming soon |
| GPQA-D | Coming soon | 77.1% | Coming soon |
| HLE w/o tools | Coming soon | 17.9% | Coming soon |
| GPQA | Coming soon | 69.9% | Coming soon |

### Instruction Following

- Winner: dots3-note Preview
- dots3-note Preview public-lane score: 89.1 (#32/149)
- Spark-X2.6-4B public-lane score: 78.2 (#62/149)

| Benchmark | dots3-note Preview | Spark-X2.6-4B | Winner |
|-----------|-----------|-----------|--------|
| IFBench | 80.4% | 75.8% | dots3-note Preview |
| IFEval | 93.9% | 93.6% | dots3-note Preview |

### Mathematics

- Winner: Not comparable
- dots3-note Preview public-lane score: Coming soon
- Spark-X2.6-4B public-lane score: 76.4 (Unranked · 3 rankable rows)

| Benchmark | dots3-note Preview | Spark-X2.6-4B | Winner |
|-----------|-----------|-----------|--------|
| IMOAnswerBench | 90.9% | 75.2% | dots3-note Preview |
| AIME26 | Coming soon | 91.2% | Coming soon |
| HMMT Feb 2026 | Coming soon | 81.3% | Coming soon |

## FAQ

### Which is better overall, dots3-note Preview or Spark-X2.6-4B?

dots3-note Preview has the higher overall point estimate. Conditional score ranges do not establish rank confidence.

### Where is the biggest gap between dots3-note Preview and Spark-X2.6-4B?

The widest category gap is in reasoning, where the averages are 76.6 for dots3-note Preview and 48.8 for Spark-X2.6-4B.

### 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 Spark-X2.6-4B cover on BenchLM?

Spark-X2.6-4B currently has 20 sourced benchmark scores on BenchLM.

## Related Comparisons

- [dots3-note Preview vs Claude Opus 5.5](/compare/claude-opus-5-5-vs-dots3-note-preview)
- [Spark-X2.6-4B vs Claude Opus 5.5](/compare/claude-opus-5-5-vs-spark-x2-6-4b)
- [dots3-note Preview vs GPT-6.1 Sol](/compare/dots3-note-preview-vs-gpt-6-1-sol)
- [Spark-X2.6-4B vs GPT-6.1 Sol](/compare/gpt-6-1-sol-vs-spark-x2-6-4b)

## Explore More

- [dots3-note Preview profile](/models/dots3-note-preview)
- [Spark-X2.6-4B profile](/models/spark-x2-6-4b)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)