# Qwen3.8-27B vs Ultramarine 1 Flash

> Side-by-side benchmark comparison for Qwen3.8-27B and Ultramarine 1 Flash across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/qwen3-8-27b-vs-ultramarine-1-flash
- Last updated: October 15, 2026

- Shared sourced benchmarks: 4
- HTML indexing: indexable
- Ranking lane: BenchAlign v5.8

## Quick Verdict

Pick Qwen3.8-27B if you want the stronger benchmark profile. Ultramarine 1 Flash only makes more sense when its price, context window, or workload-specific category wins matter more than the overall score.

## Summary

- Qwen3.8-27B leads overall 59.56 to 0.
- The biggest single benchmark swing is JobBench in Agentic, with scores of 33.4% and 62.9%.
- Qwen3.8-27B is the cheaper option on output tokens, which matters if you expect large responses or heavy interactive use.
- Qwen3.8-27B also has the larger context window at 262K.

## Model Snapshot

| Property | Qwen3.8-27B | Ultramarine 1 Flash |
|----------|----------|----------|
| Creator | Alibaba | Paper Instruments |
| Type | Open Weight | Proprietary |
| Reasoning | Reasoning | Reasoning |
| Context | 262K | Not disclosed |
| Overall Score | 59.56 | null |
| Benchmarks Covered | 34 | 5 |
| Pricing (input/output) | $0.00 / $0.00 | $0.15 / $0.50 |

## Category Breakdown

### Agentic

- Winner: Not comparable
- Qwen3.8-27B public-lane score: 63.4 (Supported · #20/126)
- Ultramarine 1 Flash public-lane score: Coming soon

| Benchmark | Qwen3.8-27B | Ultramarine 1 Flash | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.1 | 73.0% | 83.2% | Ultramarine 1 Flash |
| CoWorkBench | 70.7% | Coming soon | Coming soon |
| JobBench | 33.4% | 62.9% | Ultramarine 1 Flash |
| Agents' Last Exam | 42.9% | Coming soon | Coming soon |
| OSWorld-Verified | 84.3% | Coming soon | Coming soon |
| WebArena-Verified | 64.8% | Coming soon | Coming soon |
| AndroidWorld | 81.9% | Coming soon | Coming soon |
| Terminal-Bench 2.1 (Vals) | 58.4% | Coming soon | Coming soon |
| AutomationBench | Coming soon | 50.2% | Coming soon |

### Coding

- Winner: Not comparable
- Qwen3.8-27B public-lane score: 46.7 (Supported · #50/149)
- Ultramarine 1 Flash public-lane score: Coming soon

| Benchmark | Qwen3.8-27B | Ultramarine 1 Flash | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.1 | 73.0% | 83.2% | Ultramarine 1 Flash |
| SWE-bench Pro | 61.7% | Coming soon | Coming soon |
| NL2Repo | 42.3% | Coming soon | Coming soon |
| DeepSWE | 42.2% | 61.5% | Ultramarine 1 Flash |
| LiveCodeBench v6 | 90.3% | Coming soon | Coming soon |
| VulcanBench v3 | 82.6% | Coming soon | Coming soon |
| LiveCodeBench (Vals) | 84.0% | Coming soon | Coming soon |
| SWE-bench (Vals) | 86.0% | Coming soon | Coming soon |
| Bug Hunt Bench | 15.0 fixes | Coming soon | Coming soon |

### Reasoning

- Winner: Not comparable
- Qwen3.8-27B public-lane score: 82.2 (#9/29)
- Ultramarine 1 Flash public-lane score: Coming soon

### Multimodal & Grounded

- Winner: Not comparable
- Qwen3.8-27B public-lane score: 84.4 (#13/54)
- Ultramarine 1 Flash public-lane score: Coming soon

| Benchmark | Qwen3.8-27B | Ultramarine 1 Flash | Winner |
|-----------|-----------|-----------|--------|
| MathVision | 90.0% | Coming soon | Coming soon |
| MathVision w/ Python | 94.6% | Coming soon | Coming soon |
| BabyVision | 65.7% | Coming soon | Coming soon |
| BabyVision w/ Python | 85.6% | Coming soon | Coming soon |
| Vision2Web | 62.9% | Coming soon | Coming soon |
| CharXiv w/o tools | 83.7% | Coming soon | Coming soon |
| CharXiv | 90.2% | Coming soon | Coming soon |
| OmniDocBench 1.5 | 91.1% | Coming soon | Coming soon |
| RealWorldQA | 85.9% | Coming soon | Coming soon |
| ERQA | 65.5% | Coming soon | Coming soon |

### Knowledge

- Winner: Not comparable
- Qwen3.8-27B public-lane score: 51.2 (Supported · #75/182)
- Ultramarine 1 Flash public-lane score: Coming soon

| Benchmark | Qwen3.8-27B | Ultramarine 1 Flash | Winner |
|-----------|-----------|-----------|--------|
| GPQA | 89.2% | Coming soon | Coming soon |
| GPQA-D | 89.2% | Coming soon | Coming soon |
| HLE | 30.8% | Coming soon | Coming soon |
| HLE w/o tools | 30.8% | Coming soon | Coming soon |
| GPQA Diamond (Vals) | 88.9% | Coming soon | Coming soon |
| MMLU-Pro (Vals) | 84.3% | Coming soon | Coming soon |

### Instruction Following

- Winner: Not comparable
- Qwen3.8-27B public-lane score: 86.9 (#40/146)
- Ultramarine 1 Flash public-lane score: Coming soon

| Benchmark | Qwen3.8-27B | Ultramarine 1 Flash | Winner |
|-----------|-----------|-----------|--------|
| IFBench | 79.5% | Coming soon | Coming soon |

## FAQ

### Which is better overall, Qwen3.8-27B or Ultramarine 1 Flash?

Qwen3.8-27B is ahead overall on BenchLM right now.

### How many benchmarks does Qwen3.8-27B cover on BenchLM?

Qwen3.8-27B currently has 34 sourced benchmark scores on BenchLM.

### How many benchmarks does Ultramarine 1 Flash cover on BenchLM?

Ultramarine 1 Flash currently has 5 sourced benchmark scores on BenchLM.

## Related Comparisons

- [Qwen3.8-27B vs Claude Opus 5.5](/compare/claude-opus-5-5-vs-qwen3-8-27b)
- [Ultramarine 1 Flash vs Claude Opus 5.5](/compare/claude-opus-5-5-vs-ultramarine-1-flash)
- [Qwen3.8-27B vs GPT-6.1 Sol](/compare/gpt-6-1-sol-vs-qwen3-8-27b)
- [Ultramarine 1 Flash vs GPT-6.1 Sol](/compare/gpt-6-1-sol-vs-ultramarine-1-flash)

## Explore More

- [Qwen3.8-27B profile](/models/qwen3-8-27b)
- [Ultramarine 1 Flash profile](/models/ultramarine-1-flash)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)