# Gemini 4 Argon vs Ultramarine 1 Flash

> Side-by-side benchmark comparison for Gemini 4 Argon and Ultramarine 1 Flash across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/gemini-4-argon-vs-ultramarine-1-flash
- Last updated: October 15, 2026

- Shared sourced benchmarks: 2
- HTML indexing: indexable
- Ranking lane: BenchAlign v5.8

## Quick Verdict

Evidence is too thin for a benchmark verdict: Gemini 4 Argon and Ultramarine 1 Flash share only 2 sourced benchmark rows.

## Summary

- Only 2 shared sourced benchmark rows are available. That is not enough for a broad capability verdict, so this mirror does not name an overall winner.
- Ultramarine 1 Flash has the lower published output-token price.
- Gemini 4 Argon has the larger published context window at 1M.

## Model Snapshot

| Property | Gemini 4 Argon | Ultramarine 1 Flash |
|----------|----------|----------|
| Creator | Google | Paper Instruments |
| Type | Proprietary | Proprietary |
| Reasoning | Reasoning | Reasoning |
| Context | 1M | Not disclosed |
| Independent public score (not head-to-head) | 80.85 | null |
| Benchmarks Covered | 19 | 5 |
| Pricing (input/output) | $2.00 / $10.00 | $0.15 / $0.50 |

## Category Breakdown

### Agentic

- Winner: Insufficient shared evidence
- Gemini 4 Argon public-lane score: 77.2 (Estimated · #4/126)
- Ultramarine 1 Flash public-lane score: Coming soon

| Benchmark | Gemini 4 Argon | Ultramarine 1 Flash | Winner |
|-----------|-----------|-----------|--------|
| AutomationBench | 51.3% | 50.2% | Gemini 4 Argon |
| Finance Agent v2 | 65.4% | Coming soon | Coming soon |
| Terminal-Bench 4.0 | 57.40% | Coming soon | Coming soon |
| Agents' Last Exam | 39.5% | Coming soon | Coming soon |
| OSWorld 2.0 | 69.2% | Coming soon | Coming soon |
| CWE-bench v1 | 68.0% | Coming soon | Coming soon |
| Terminal-Bench-Science 0.1 (6x verifier timeout) | 57.6% | Coming soon | Coming soon |
| JobBench | Coming soon | 62.9% | Coming soon |
| Terminal-Bench 2.1 | Coming soon | 83.2% | Coming soon |

### Coding

- Winner: Insufficient shared evidence
- Gemini 4 Argon public-lane score: 72.2 (Supported · #6/149)
- Ultramarine 1 Flash public-lane score: Coming soon

| Benchmark | Gemini 4 Argon | Ultramarine 1 Flash | Winner |
|-----------|-----------|-----------|--------|
| DeepSWE | 77.9% | 61.5% | Gemini 4 Argon |
| FrontierSWE v2 | 55.0% | Coming soon | Coming soon |
| Vibe Code Bench | 91.90% | Coming soon | Coming soon |
| PostTrainBench v1.1 | 45.3% | Coming soon | Coming soon |
| Terminal-Bench 2.1 | Coming soon | 83.2% | Coming soon |

### Reasoning

- Winner: Insufficient shared evidence
- Gemini 4 Argon public-lane score: 80.6 (Unranked · 3 rankable rows)
- Ultramarine 1 Flash public-lane score: Coming soon

| Benchmark | Gemini 4 Argon | Ultramarine 1 Flash | Winner |
|-----------|-----------|-----------|--------|
| Graphwalks BFS 128K | 99.7% | Coming soon | Coming soon |
| GraphWalks BFS 256K–1M | 84.2% | Coming soon | Coming soon |

### Multimodal & Grounded

- Winner: Insufficient shared evidence
- Gemini 4 Argon public-lane score: Coming soon
- Ultramarine 1 Flash public-lane score: Coming soon

| Benchmark | Gemini 4 Argon | Ultramarine 1 Flash | Winner |
|-----------|-----------|-----------|--------|
| Chartography (no tools) | 71.6% | Coming soon | Coming soon |
| LVBench | 91.7% | Coming soon | Coming soon |

### Knowledge

- Winner: Insufficient shared evidence
- Gemini 4 Argon public-lane score: 80.1 (Supported · #9/182)
- Ultramarine 1 Flash public-lane score: Coming soon

| Benchmark | Gemini 4 Argon | Ultramarine 1 Flash | Winner |
|-----------|-----------|-----------|--------|
| LABBench2 | 88.8% | Coming soon | Coming soon |

### Instruction Following

- Winner: Insufficient shared evidence
- Gemini 4 Argon public-lane score: Coming soon
- Ultramarine 1 Flash public-lane score: Coming soon

| Benchmark | Gemini 4 Argon | Ultramarine 1 Flash | Winner |
|-----------|-----------|-----------|--------|
| Gray Swan IPI (15 attempts) | 0.7% | Coming soon | Coming soon |

### Mathematics

- Winner: Insufficient shared evidence
- Gemini 4 Argon public-lane score: 92.8 (Unranked · 2 rankable rows)
- Ultramarine 1 Flash public-lane score: Coming soon

| Benchmark | Gemini 4 Argon | Ultramarine 1 Flash | Winner |
|-----------|-----------|-----------|--------|
| FrontierMath v2 (Tiers 1-3) | 85.965% | Coming soon | Coming soon |
| FrontierMath v2 (Tier 4) | 78.049% | Coming soon | Coming soon |

## FAQ

### Is there enough evidence to pick between Gemini 4 Argon and Ultramarine 1 Flash?

Not yet. The models share only 2 sourced benchmark rows, so this mirror reports the available measurements and metadata without naming a broad winner.

### What can I compare safely on this page?

Published pricing, context windows, model type, and individual shared benchmark rows are directly comparable. Independent overall scores and non-overlapping benchmark coverage are labeled separately and should not be read as a controlled head-to-head result.

## Related Comparisons

- [Gemini 4 Argon vs Claude Opus 5.5](/compare/claude-opus-5-5-vs-gemini-4-argon)
- [Ultramarine 1 Flash vs Claude Opus 5.5](/compare/claude-opus-5-5-vs-ultramarine-1-flash)
- [Gemini 4 Argon vs GPT-6.1 Sol](/compare/gemini-4-argon-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 4 Argon profile](/models/gemini-4-argon)
- [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)