# Gemini 3.7 Flash vs Ultramarine 1 Flash

> Side-by-side benchmark comparison for Gemini 3.7 Flash and Ultramarine 1 Flash across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/gemini-3-7-flash-vs-ultramarine-1-flash
- Last updated: October 15, 2026

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

## Quick Verdict

Pick Gemini 3.7 Flash 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

- Gemini 3.7 Flash leads overall 66.85 to 0.
- The biggest single benchmark swing is AutomationBench in Agentic, with scores of 30.4% and 50.2%.
- Ultramarine 1 Flash is the cheaper option on output tokens, which matters if you expect large responses or heavy interactive use.
- Gemini 3.7 Flash also has the larger context window at 1M.

## Model Snapshot

| Property | Gemini 3.7 Flash | Ultramarine 1 Flash |
|----------|----------|----------|
| Creator | Google | Paper Instruments |
| Type | Proprietary | Proprietary |
| Reasoning | Reasoning | Reasoning |
| Context | 1M | Not disclosed |
| Overall Score | 66.85 | null |
| Benchmarks Covered | 27 | 5 |
| Pricing (input/output) | $0.75 / $3.75 | $0.15 / $0.50 |

## Category Breakdown

### Agentic

- Winner: Not comparable
- Gemini 3.7 Flash public-lane score: 59.3 (Supported · #29/126)
- Ultramarine 1 Flash public-lane score: Coming soon

| Benchmark | Gemini 3.7 Flash | Ultramarine 1 Flash | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.1 | 85.8% | 83.2% | Gemini 3.7 Flash |
| Terminal-Bench 3.0 | 14.9% | Coming soon | Coming soon |
| AutomationBench | 30.4% | 50.2% | Ultramarine 1 Flash |
| OSWorld 2.0 | 47.9% | Coming soon | Coming soon |
| Agents' Last Exam | 26.3% | Coming soon | Coming soon |
| Terminal-Bench 2.1 (Vals) | 77.5% | Coming soon | Coming soon |
| ApprenticeBench | 16% | Coming soon | Coming soon |
| JobBench | Coming soon | 62.9% | Coming soon |

### Coding

- Winner: Not comparable
- Gemini 3.7 Flash public-lane score: 57.6 (Supported · #24/149)
- Ultramarine 1 Flash public-lane score: Coming soon

| Benchmark | Gemini 3.7 Flash | Ultramarine 1 Flash | Winner |
|-----------|-----------|-----------|--------|
| FrontierCode 1.1 Main | 43.6% | Coming soon | Coming soon |
| DeepSWE | 65.3% | 61.5% | Gemini 3.7 Flash |
| Terminal-Bench 2.1 | 85.8% | 83.2% | Gemini 3.7 Flash |
| FrontierSWE v2 | 20.3% | Coming soon | Coming soon |
| LiveCodeBench (Vals) | 88.7% | Coming soon | Coming soon |
| SWE-bench (Vals) | 80.8% | Coming soon | Coming soon |

### Reasoning

- Winner: Not comparable
- Gemini 3.7 Flash public-lane score: 81.6 (Unranked · 5 rankable rows)
- Ultramarine 1 Flash public-lane score: Coming soon

| Benchmark | Gemini 3.7 Flash | Ultramarine 1 Flash | Winner |
|-----------|-----------|-----------|--------|
| MRCR v2 64K-128K | 97% | Coming soon | Coming soon |
| ARC-AGI-1 | 95.50% | Coming soon | Coming soon |
| ARC-AGI-2 | 84.6% | Coming soon | Coming soon |

### Multimodal & Grounded

- Winner: Not comparable
- Gemini 3.7 Flash public-lane score: 87.2 (#10/54)
- Ultramarine 1 Flash public-lane score: Coming soon

| Benchmark | Gemini 3.7 Flash | Ultramarine 1 Flash | Winner |
|-----------|-----------|-----------|--------|
| CharXiv w/o tools | 84.5% | Coming soon | Coming soon |
| CharXiv | 88.7% | Coming soon | Coming soon |
| LVBench | 85.4% | Coming soon | Coming soon |

### Knowledge

- Winner: Not comparable
- Gemini 3.7 Flash public-lane score: 71.1 (Supported · #16/182)
- Ultramarine 1 Flash public-lane score: Coming soon

| Benchmark | Gemini 3.7 Flash | Ultramarine 1 Flash | Winner |
|-----------|-----------|-----------|--------|
| HLE-Verified | 53.6% | Coming soon | Coming soon |
| LABBench2 | 82.1% | Coming soon | Coming soon |
| BioMysteryBench (human-solvable) | 87.1% | Coming soon | Coming soon |
| BioMysteryBench (human-difficult) | 43.5% | Coming soon | Coming soon |
| GPQA Diamond (Vals) | 93.9% | Coming soon | Coming soon |
| MMLU-Pro (Vals) | 90.1% | Coming soon | Coming soon |

### Mathematics

- Winner: Not comparable
- Gemini 3.7 Flash public-lane score: 74.8 (Unranked · 2 rankable rows)
- Ultramarine 1 Flash public-lane score: Coming soon

| Benchmark | Gemini 3.7 Flash | Ultramarine 1 Flash | Winner |
|-----------|-----------|-----------|--------|
| FrontierMath v2 (Tiers 1-3) | 71.579% | Coming soon | Coming soon |
| FrontierMath v2 (Tier 4) | 36.585% | Coming soon | Coming soon |

## FAQ

### Which is better overall, Gemini 3.7 Flash or Ultramarine 1 Flash?

Gemini 3.7 Flash is ahead overall on BenchLM right now.

### How many benchmarks does Gemini 3.7 Flash cover on BenchLM?

Gemini 3.7 Flash currently has 27 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

- [Gemini 3.7 Flash vs Claude Opus 5.5](/compare/claude-opus-5-5-vs-gemini-3-7-flash)
- [Ultramarine 1 Flash vs Claude Opus 5.5](/compare/claude-opus-5-5-vs-ultramarine-1-flash)
- [Gemini 3.7 Flash vs GPT-6.1 Sol](/compare/gemini-3-7-flash-vs-gpt-6-1-sol)
- [Ultramarine 1 Flash vs GPT-6.1 Sol](/compare/gpt-6-1-sol-vs-ultramarine-1-flash)

## Explore More

- [Gemini 3.7 Flash profile](/models/gemini-3-7-flash)
- [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)