# Gemini 4 Argon vs LongCat-2.5

> Side-by-side benchmark comparison for Gemini 4 Argon and LongCat-2.5 across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/gemini-4-argon-vs-longcat-2-5
- Last updated: November 9, 2026

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

## Quick Verdict

Pick Gemini 4 Argon if you want the stronger benchmark profile. LongCat-2.5 only makes more sense when its price, context window, or workload-specific category wins matter more than the overall score.

## Summary

- Gemini 4 Argon leads overall 81.6 to 0.
- The biggest single benchmark swing is Terminal-Bench 4.0 in Agentic, with scores of 57.40% and 38.50%.
- LongCat-2.5 is the cheaper option on output tokens, which matters if you expect large responses or heavy interactive use.

## Model Snapshot

| Property | Gemini 4 Argon | LongCat-2.5 |
|----------|----------|----------|
| Creator | Google | Meituan |
| Type | Proprietary | Open Weight |
| Reasoning | Reasoning | Hybrid |
| Context | 1M | 1M |
| Overall Score | 81.6 | null |
| Benchmarks Covered | 35 | 22 |
| Pricing (input/output) | $2.00 / $10.00 | $0.30 / $1.20 |

## Category Breakdown

### Agentic

- Winner: Not comparable
- Gemini 4 Argon public-lane score: 77.7 (Supported · #4/132)
- LongCat-2.5 public-lane score: Coming soon

| Benchmark | Gemini 4 Argon | LongCat-2.5 | Winner |
|-----------|-----------|-----------|--------|
| AutomationBench | 51.3% | 51.8% | LongCat-2.5 |
| Finance Agent v2 | 65.4% | Coming soon | Coming soon |
| Terminal-Bench 4.0 | 57.40% | 38.50% | Gemini 4 Argon |
| Agents' Last Exam | 39.5% | 38.5% | Gemini 4 Argon |
| 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 |
| OSWorld 2.1 Offline | 74.7% | Coming soon | Coming soon |
| ExploitGym | 39.5% | Coming soon | Coming soon |
| RoboDojo Sim | 34.2% | Coming soon | Coming soon |
| CWE-bench | 65.0% | Coming soon | Coming soon |
| Terminal-Bench 2.1 | Coming soon | 88.4% | Coming soon |
| BrowseComp | Coming soon | 91.9% | Coming soon |
| HLE w/ tools | Coming soon | 63.1% | Coming soon |
| MCP Atlas | Coming soon | 83.1% | Coming soon |
| JobBench | Coming soon | 65.4% | Coming soon |
| skillsBench | Coming soon | 63.3% | Coming soon |
| SpreadsheetBench 2 | Coming soon | 34.9% | Coming soon |
| Claw-Eval | Coming soon | 78.3% | Coming soon |

### Coding

- Winner: Not comparable
- Gemini 4 Argon public-lane score: 72 (Supported · #7/158)
- LongCat-2.5 public-lane score: Coming soon

| Benchmark | Gemini 4 Argon | LongCat-2.5 | Winner |
|-----------|-----------|-----------|--------|
| ScarfBench | 75.2% | Coming soon | Coming soon |
| DeepSWE | 77.9% | 64.6% | 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 |
| FrontierCode 2.0 | 26.3% | Coming soon | Coming soon |
| Terminal-Bench 2.1 | Coming soon | 88.4% | Coming soon |
| ProgramBench | Coming soon | 25.5% | Coming soon |
| PaperBench | Coming soon | 82.1% | Coming soon |
| SWE-Atlas Codebase QnA | Coming soon | 58.3% | Coming soon |
| NL2Repo | Coming soon | 60.5% | Coming soon |

### Reasoning

- Winner: Not comparable
- Gemini 4 Argon public-lane score: 77.6 (Supported · #5/157)
- LongCat-2.5 public-lane score: Coming soon

| Benchmark | Gemini 4 Argon | LongCat-2.5 | 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 |

### Multimodal & Grounded

- Winner: Not comparable
- Gemini 4 Argon public-lane score: Coming soon
- LongCat-2.5 public-lane score: Coming soon

| Benchmark | Gemini 4 Argon | LongCat-2.5 | Winner |
|-----------|-----------|-----------|--------|
| ExtractBench Pro | 30% | Coming soon | Coming soon |
| Chartography (no tools) | 71.6% | Coming soon | Coming soon |
| LVBench | 91.7% | Coming soon | Coming soon |
| Blueprint-Bench 2 | 54.4% | Coming soon | Coming soon |
| Vision2Web | Coming soon | 78.6% | Coming soon |
| CharXiv | Coming soon | 90.2% | Coming soon |
| MathVision w/ Python | Coming soon | 96.5% | Coming soon |
| Video-MME | Coming soon | 85.2% | Coming soon |

### Knowledge

- Winner: Not comparable
- Gemini 4 Argon public-lane score: 79.4 (Supported · #9/179)
- LongCat-2.5 public-lane score: Coming soon

| Benchmark | Gemini 4 Argon | LongCat-2.5 | Winner |
|-----------|-----------|-----------|--------|
| LABBench2 | 88.8% | Coming soon | Coming soon |
| Morphology-to-molecule matching | 25.2% | Coming soon | Coming soon |
| FrontierScience | Coming soon | 77% | Coming soon |

### Instruction Following

- Winner: Not comparable
- Gemini 4 Argon public-lane score: Coming soon
- LongCat-2.5 public-lane score: Coming soon

| Benchmark | Gemini 4 Argon | LongCat-2.5 | Winner |
|-----------|-----------|-----------|--------|
| Gray Swan IPI (15 attempts) | 0.7% | Coming soon | Coming soon |

### Mathematics

- Winner: Not comparable
- Gemini 4 Argon public-lane score: 89.3 (Unranked · 2 rankable rows)
- LongCat-2.5 public-lane score: Coming soon

| Benchmark | Gemini 4 Argon | LongCat-2.5 | Winner |
|-----------|-----------|-----------|--------|
| FrontierMath v2 (Tiers 1-3) | 85.965% | Coming soon | Coming soon |
| FrontierMath v2 (Tier 4) | 78.049% | Coming soon | Coming soon |

## FAQ

### Which is better overall, Gemini 4 Argon or LongCat-2.5?

Gemini 4 Argon is ahead overall on BenchLM right now.

### How many benchmarks does Gemini 4 Argon cover on BenchLM?

Gemini 4 Argon currently has 35 sourced benchmark scores on BenchLM.

### How many benchmarks does LongCat-2.5 cover on BenchLM?

LongCat-2.5 currently has 22 sourced benchmark scores on BenchLM.

## Related Comparisons

- [Gemini 4 Argon vs Gemini 4 Carbon](/compare/gemini-4-argon-vs-gemini-4-carbon)
- [LongCat-2.5 vs Gemini 4 Carbon](/compare/gemini-4-carbon-vs-longcat-2-5)
- [Gemini 4 Argon vs Claude Fable 5.2](/compare/claude-fable-5-2-vs-gemini-4-argon)
- [LongCat-2.5 vs Claude Fable 5.2](/compare/claude-fable-5-2-vs-longcat-2-5)

## Explore More

- [Gemini 4 Argon profile](/models/gemini-4-argon)
- [LongCat-2.5 profile](/models/longcat-2-5)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)