# Qwen3.8 Max vs Spark-X2.6-4B

> Side-by-side benchmark comparison for Qwen3.8 Max and Spark-X2.6-4B across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/qwen3-8-max-vs-spark-x2-6-4b
- Last updated: October 20, 2026

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

## Quick Verdict

Qwen3.8 Max leads by point estimate. Conditional score ranges do not establish rank confidence. Choose using the category evidence and your own workload tests.

## Summary

- Qwen3.8 Max has the higher overall point estimate 69.71 to 40.14. Conditional score ranges do not establish rank confidence.
- The clearest category separation is in reasoning, where the averages are 87 for Qwen3.8 Max and 48.8 for Spark-X2.6-4B.
- The biggest single benchmark swing is HLE w/o tools in Knowledge, with scores of 43.6% and 17.9%.
- Spark-X2.6-4B is the cheaper option on output tokens, which matters if you expect large responses or heavy interactive use.

## Model Snapshot

| Property | Qwen3.8 Max | Spark-X2.6-4B |
|----------|----------|----------|
| Creator | Alibaba | SparkLLM |
| Type | Open Weight | Open Weight |
| Reasoning | Reasoning | Reasoning |
| Context | 1M | 1M |
| Overall Score | 69.71 | 40.14 |
| Benchmarks Covered | 66 | 20 |
| Pricing (input/output) | Pricing unavailable / Pricing unavailable | $0.00 / $0.00 |

## Category Breakdown

### Agentic

- Winner: Directional only
- Qwen3.8 Max public-lane score: 67.4 (Supported · #14/131)
- Spark-X2.6-4B public-lane score: 33 (Estimated · #89/131)

| Benchmark | Qwen3.8 Max | Spark-X2.6-4B | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.1 | 86.6% | Coming soon | Coming soon |
| CoWorkBench | 74.8% | Coming soon | Coming soon |
| JobBench | 53.4% | Coming soon | Coming soon |
| skillsBench | 70.2% | Coming soon | Coming soon |
| Agents' Last Exam | 52.4% | Coming soon | Coming soon |
| AutomationBench | 27.3% | Coming soon | Coming soon |
| Toolathlon-Verified | 72.5% | Coming soon | Coming soon |
| WideResearch | 81.9% | Coming soon | Coming soon |
| HLE w/ tools | 56.2% | 36.9% | Qwen3.8 Max |
| OSWorld-Verified | 86.1% | Coming soon | Coming soon |
| OSWorld 2.0 | 19.4% | Coming soon | Coming soon |
| WebArena-Verified | 66.8% | Coming soon | Coming soon |
| AndroidWorld | 85.3% | Coming soon | Coming soon |
| MobileWorld | 77.8% | Coming soon | Coming soon |
| Terminal-Bench 2.1 (Vals) | 67.4% | Coming soon | Coming soon |
| Hermes Index | 36.2% | Coming soon | Coming soon |
| Hermes Bench | 70.5% | Coming soon | Coming soon |
| MazeBench | 0% | 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 |
| BrowseComp | Coming soon | 53.1% | Coming soon |
| τ³-bench results | Coming soon | 34.7% | Coming soon |
| Claw-Eval | Coming soon | 69.9% | Coming soon |

### Coding

- Winner: Directional only
- Qwen3.8 Max public-lane score: 53.5 (Supported · #37/152)
- Spark-X2.6-4B public-lane score: 30.6 (Estimated · #95/152)

| Benchmark | Qwen3.8 Max | Spark-X2.6-4B | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.1 | 86.6% | Coming soon | Coming soon |
| SWE-bench Pro | 67.7% | 54.3% | Qwen3.8 Max |
| DeepSWE | 56.6% | Coming soon | Coming soon |
| NL2Repo | 55.9% | Coming soon | Coming soon |
| FrontierSWE | 73.5% | Coming soon | Coming soon |
| MLS-Bench Lite | 41.0% | Coming soon | Coming soon |
| PaperBench | 93.0% | Coming soon | Coming soon |
| VulcanBench v3 | 81.2% | Coming soon | Coming soon |
| OpenHarmony Bench | 60.8% | Coming soon | Coming soon |
| FrontierSWE v2 | 15.8% | Coming soon | Coming soon |
| LiveCodeBench (Vals) | 87.9% | Coming soon | Coming soon |
| SWE-bench (Vals) | 85.6% | Coming soon | Coming soon |
| Bug Hunt Bench | 25.7 fixes | Coming soon | Coming soon |
| SWE-bench Verified | Coming soon | 62.8% | Coming soon |
| SWE Multilingual | Coming soon | 64.7% | Coming soon |
| SciCode | Coming soon | 36.8% | Coming soon |

### Reasoning

- Winner: Not comparable
- Qwen3.8 Max public-lane score: 87 (Unranked · 2 rankable rows)
- Spark-X2.6-4B public-lane score: 48.8 (Unranked · 2 rankable rows)

| Benchmark | Qwen3.8 Max | Spark-X2.6-4B | Winner |
|-----------|-----------|-----------|--------|
| MRCRv2 | 92.9% | Coming soon | Coming soon |
| LongBench v2 | 66.3% | 53.3% | Qwen3.8 Max |

### Multimodal & Grounded

- Winner: Not comparable
- Qwen3.8 Max public-lane score: 91.2 (#4/55)
- Spark-X2.6-4B public-lane score: Coming soon

| Benchmark | Qwen3.8 Max | Spark-X2.6-4B | Winner |
|-----------|-----------|-----------|--------|
| MMMU-Pro | 82.3% | Coming soon | Coming soon |
| MathVision | 95.2% | Coming soon | Coming soon |
| MathVision w/ Python | 97.7% | Coming soon | Coming soon |
| BabyVision | 82.0% | Coming soon | Coming soon |
| BabyVision w/ Python | 91.3% | Coming soon | Coming soon |
| ZeroBench | 24.0% | Coming soon | Coming soon |
| ZeroBench w/ Python | 49.0% | Coming soon | Coming soon |
| MedXpertQA (MM) | 80.4% | Coming soon | Coming soon |
| ScreenSpot Pro | 84.5% | Coming soon | Coming soon |
| Vision2Web | 69.0% | Coming soon | Coming soon |
| CharXiv w/o tools | 88.4% | Coming soon | Coming soon |
| CharXiv | 93.5% | Coming soon | Coming soon |
| OmniDocBench 1.5 | 92.1% | Coming soon | Coming soon |
| OCRBench V2 | 74.2% | Coming soon | Coming soon |
| CC-OCR | 79.6% | Coming soon | Coming soon |
| RealWorldQA | 88.0% | Coming soon | Coming soon |
| ERQA | 77.8% | Coming soon | Coming soon |
| SimpleVQA | 75.0% | Coming soon | Coming soon |
| PerceptionBench | 63.5% | Coming soon | Coming soon |
| Video-MME (with subtitle) | 90.4% | Coming soon | Coming soon |
| VideoMMMU | 88.7% | Coming soon | Coming soon |
| MMVU | 82.4% | Coming soon | Coming soon |
| MLVU (M-Avg) | 90.8% | Coming soon | Coming soon |
| LVBench | 81.8% | Coming soon | Coming soon |

### Knowledge

- Winner: Directional only
- Qwen3.8 Max public-lane score: 68.2 (Supported · #25/187)
- Spark-X2.6-4B public-lane score: 43 (Estimated · #109/187)

| Benchmark | Qwen3.8 Max | Spark-X2.6-4B | Winner |
|-----------|-----------|-----------|--------|
| GPQA | 92.6% | 69.9% | Qwen3.8 Max |
| GPQA-D | 92.6% | 77.1% | Qwen3.8 Max |
| HLE | 43.6% | Coming soon | Coming soon |
| HLE w/o tools | 43.6% | 17.9% | Qwen3.8 Max |
| GPQA Diamond (Vals) | 93.7% | Coming soon | Coming soon |
| MMLU-Pro (Vals) | 88.6% | Coming soon | Coming soon |

### Instruction Following

- Winner: Qwen3.8 Max
- Qwen3.8 Max public-lane score: 94.7 (#2/149)
- Spark-X2.6-4B public-lane score: 78.2 (#62/149)

| Benchmark | Qwen3.8 Max | Spark-X2.6-4B | Winner |
|-----------|-----------|-----------|--------|
| IFBench | 82.8% | 75.8% | Qwen3.8 Max |
| IFEval | Coming soon | 93.6% | Coming soon |

### Mathematics

- Winner: Not comparable
- Qwen3.8 Max public-lane score: 78.9 (Unranked · 2 rankable rows)
- Spark-X2.6-4B public-lane score: 76.4 (Unranked · 3 rankable rows)

| Benchmark | Qwen3.8 Max | Spark-X2.6-4B | Winner |
|-----------|-----------|-----------|--------|
| FrontierMath v2 (Tiers 1-3) | 74.737% | Coming soon | Coming soon |
| FrontierMath v2 (Tier 4) | 46.341% | Coming soon | Coming soon |
| AIME26 | Coming soon | 91.2% | Coming soon |
| HMMT Feb 2026 | Coming soon | 81.3% | Coming soon |
| IMOAnswerBench | Coming soon | 75.2% | Coming soon |

## FAQ

### Which is better overall, Qwen3.8 Max or Spark-X2.6-4B?

Qwen3.8 Max has the higher overall point estimate. Conditional score ranges do not establish rank confidence.

### Where is the biggest gap between Qwen3.8 Max and Spark-X2.6-4B?

The widest category gap is in reasoning, where the averages are 87 for Qwen3.8 Max and 48.8 for Spark-X2.6-4B.

### How many benchmarks does Qwen3.8 Max cover on BenchLM?

Qwen3.8 Max currently has 66 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

- [Qwen3.8 Max vs Qwen3.8 Max Preview](/compare/qwen3-8-max-vs-qwen3-8-max-preview)
- [Spark-X2.6-4B vs Qwen3.8 Max Preview](/compare/qwen3-8-max-preview-vs-spark-x2-6-4b)
- [Qwen3.8 Max vs Claude Opus 5.5](/compare/claude-opus-5-5-vs-qwen3-8-max)
- [Spark-X2.6-4B vs Claude Opus 5.5](/compare/claude-opus-5-5-vs-spark-x2-6-4b)

## Explore More

- [Qwen3.8 Max profile](/models/qwen3-8-max)
- [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)