# Gemini 4 Argon vs Mercury 3

> Side-by-side benchmark comparison for Gemini 4 Argon and Mercury 3 across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/gemini-4-argon-vs-mercury-3
- Last updated: October 19, 2026

- Shared sourced benchmarks: 1
- HTML indexing: indexable
- Ranking lane: BenchAlign v5.8

## Quick Verdict

Evidence is too thin for a benchmark verdict: Gemini 4 Argon and Mercury 3 share only 1 sourced benchmark row.

## Summary

- Only 1 shared sourced benchmark row is available. That is not enough for a broad capability verdict, so this mirror does not name an overall winner.
- Mercury 3 has the lower published output-token price.

## Model Snapshot

| Property | Gemini 4 Argon | Mercury 3 |
|----------|----------|----------|
| Creator | Google | Inception |
| Type | Proprietary | Proprietary |
| Reasoning | Reasoning | Reasoning |
| Context | 1M | 1M |
| Independent public score (not head-to-head) | 82.93 | null |
| Benchmarks Covered | 26 | 8 |
| Pricing (input/output) | $2.00 / $10.00 | $0.10 / $0.35 |

## Category Breakdown

### Agentic

- Winner: Insufficient shared evidence
- Gemini 4 Argon public-lane score: 78.7 (Estimated · #3/130)
- Mercury 3 public-lane score: Coming soon

| Benchmark | Gemini 4 Argon | Mercury 3 | Winner |
|-----------|-----------|-----------|--------|
| AutomationBench | 51.3% | Coming soon | Coming soon |
| 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 |
| MazeBench | 12% | Coming soon | Coming soon |
| τ³-bench results | Coming soon | 30.2% | Coming soon |
| BrowseComp+ | Coming soon | 55.18% | Coming soon |
| DeepSearchQA | Coming soon | 71.3% | Coming soon |

### Coding

- Winner: Insufficient shared evidence
- Gemini 4 Argon public-lane score: 73.1 (Supported · #6/151)
- Mercury 3 public-lane score: Coming soon

| Benchmark | Gemini 4 Argon | Mercury 3 | Winner |
|-----------|-----------|-----------|--------|
| DeepSWE | 77.9% | 46.3% | 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 |
| Bug Hunt Bench | 40.7 fixes | Coming soon | Coming soon |

### Reasoning

- Winner: Insufficient shared evidence
- Gemini 4 Argon public-lane score: 86.9 (#3/27)
- Mercury 3 public-lane score: Coming soon

| Benchmark | Gemini 4 Argon | Mercury 3 | Winner |
|-----------|-----------|-----------|--------|
| STEMBench | 2.44 | Coming soon | Coming soon |
| Graphwalks BFS 128K | 99.7% | Coming soon | Coming soon |
| GraphWalks BFS 256K–1M | 84.2% | Coming soon | Coming soon |
| ARC-AGI-1 | 98.50% | Coming soon | Coming soon |
| ARC-AGI-2 | 91.3% | Coming soon | Coming soon |
| ARC-AGI-3 | 46.3% | Coming soon | Coming soon |
| ARC-AGI-3 Provider Adapter | 97.30% | Coming soon | Coming soon |
| MRCRv2 | Coming soon | 75.5% | Coming soon |

### Multimodal & Grounded

- Winner: Insufficient shared evidence
- Gemini 4 Argon public-lane score: Coming soon
- Mercury 3 public-lane score: Coming soon

| Benchmark | Gemini 4 Argon | Mercury 3 | 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: 81.4 (Supported · #8/186)
- Mercury 3 public-lane score: Coming soon

| Benchmark | Gemini 4 Argon | Mercury 3 | Winner |
|-----------|-----------|-----------|--------|
| LABBench2 | 88.8% | Coming soon | Coming soon |
| GPQA-D | Coming soon | 89.2% | Coming soon |

### Instruction Following

- Winner: Insufficient shared evidence
- Gemini 4 Argon public-lane score: Coming soon
- Mercury 3 public-lane score: Coming soon

| Benchmark | Gemini 4 Argon | Mercury 3 | Winner |
|-----------|-----------|-----------|--------|
| Gray Swan IPI (15 attempts) | 0.7% | Coming soon | Coming soon |
| IFBench | Coming soon | 76.8% | Coming soon |
| MultiChallenge (provider reports) | Coming soon | 60.35% | Coming soon |

### Mathematics

- Winner: Insufficient shared evidence
- Gemini 4 Argon public-lane score: 92.8 (Unranked · 2 rankable rows)
- Mercury 3 public-lane score: Coming soon

| Benchmark | Gemini 4 Argon | Mercury 3 | 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 Mercury 3?

Not yet. The models share only 1 sourced benchmark row, 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)
- [Mercury 3 vs Claude Opus 5.5](/compare/claude-opus-5-5-vs-mercury-3)
- [Gemini 4 Argon vs GPT-6.1 Sol](/compare/gemini-4-argon-vs-gpt-6-1-sol)
- [Mercury 3 vs GPT-6.1 Sol](/compare/gpt-6-1-sol-vs-mercury-3)

## Explore More

- [Gemini 4 Argon profile](/models/gemini-4-argon)
- [Mercury 3 profile](/models/mercury-3)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)