# Gemini 4 Argon vs Mercury 2.5

> Gemini 4 Argon is the stronger model overall, scoring 56.5 to 33.5 on the Noometry Index.

- Canonical page: https://noometry.com/compare/gemini-4-argon-vs-mercury-2-5
- Last updated: 2026-10-10
- Shared benchmarks: 3

## Summary

- They share 3 benchmarks with published results for both. Gemini 4 Argon scores higher in 3 categories and Mercury 2.5 in 0 categories; 3 gaps are clear of the uncertainty.
- The widest gap is in math, where Gemini 4 Argon leads 73.9 to 23.3.
- The biggest single-benchmark swing is ProofBench: 99% for Gemini 4 Argon and 3% for Mercury 2.5.

## Snapshot

| | Gemini 4 Argon | Mercury 2.5 |
|---|---|---|
| Provider | Google | Inception |
| Noometry Index | 56.5 | 33.5 |
| Rank | 24 | 242 |
| Context | — | 260K |
| Input $/M | — | $0.04 |
| Output $/M | — | $0.15 |
| Weights | Proprietary | Proprietary |

## Coding

- Gemini 4 Argon: 62.0 (#9)
- Mercury 2.5: 39.5 (#156)

| Benchmark | Gemini 4 Argon | Mercury 2.5 |
|---|---|---|
| SciCode | 61.8% | 38.5% |
| LMArena WebDev | 1678 | — |
| FrontierSWE | 55% | — |
| LMArena Coding | 1550 | — |
| ALE-Bench | — | 301.65 |

## Agentic & Tool Use

- Gemini 4 Argon: 49.2 (#8)
- Mercury 2.5: —

| Benchmark | Gemini 4 Argon | Mercury 2.5 |
|---|---|---|
| APEX-Agents | 82.2% | — |
| Vending-Bench 2 | 13,718 | — |

## Reasoning

- Gemini 4 Argon: 44.2 (#47)
- Mercury 2.5: 22.4 (#193)

| Benchmark | Gemini 4 Argon | Mercury 2.5 |
|---|---|---|
| CritPt | 27.1% | 0% |
| LMArena Hard Prompts | 1548 | — |

## Math

- Gemini 4 Argon: 73.9 (#17)
- Mercury 2.5: 23.3 (#272)

| Benchmark | Gemini 4 Argon | Mercury 2.5 |
|---|---|---|
| ProofBench | 99% | 3% |
| LMArena Math | 1536 | — |

## Knowledge

- Gemini 4 Argon: 43.9 (#89)
- Mercury 2.5: —

| Benchmark | Gemini 4 Argon | Mercury 2.5 |
|---|---|---|
| LMArena Expert | 1553 | — |

## Multimodal

- Gemini 4 Argon: 46.5 (#14)
- Mercury 2.5: —

| Benchmark | Gemini 4 Argon | Mercury 2.5 |
|---|---|---|
| Blueprint-Bench 2 | 54.4% | — |

## Multilingual

- Gemini 4 Argon: 60.3 (#1)
- Mercury 2.5: —

| Benchmark | Gemini 4 Argon | Mercury 2.5 |
|---|---|---|
| LMArena Non-English | 1523 | — |
| LMArena Chinese | 1610 | — |
| LMArena Russian | 1537 | — |
| LMArena Spanish | 1497 | — |

## Instruction Following

- Gemini 4 Argon: 80.1 (#2)
- Mercury 2.5: —

| Benchmark | Gemini 4 Argon | Mercury 2.5 |
|---|---|---|
| LMArena Instruction Following | 1538 | — |

## Long Context

- Gemini 4 Argon: 47.6 (#15)
- Mercury 2.5: —

| Benchmark | Gemini 4 Argon | Mercury 2.5 |
|---|---|---|
| LMArena Longer Query | 1549 | — |

## Writing & Preference

- Gemini 4 Argon: 71.4 (#19)
- Mercury 2.5: —

| Benchmark | Gemini 4 Argon | Mercury 2.5 |
|---|---|---|
| LMArena Text | 1534 | — |
| LMArena Creative Writing | 1531 | — |
| LMArena Multi-Turn | 1557 | — |

## FAQ

### Is Gemini 4 Argon better than Mercury 2.5?

Gemini 4 Argon is the stronger model overall, scoring 56.5 to 33.5 on the Noometry Index.

### Is Gemini 4 Argon or Mercury 2.5 better for coding?

Gemini 4 Argon scores higher on coding benchmarks: 62.0 versus 39.5 in the Noometry coding category.

### How many benchmarks do Gemini 4 Argon and Mercury 2.5 share?

3 benchmarks have published results for both models. Gemini 4 Argon has 21 scored results on Noometry and Mercury 2.5 has 4.