# DeepSeek V4.1 Flash vs Gemini 4 Argon

> Side-by-side benchmark comparison for DeepSeek V4.1 Flash and Gemini 4 Argon across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/deepseek-v4-1-flash-vs-gemini-4-argon
- Last updated: September 30, 2026

- Shared sourced benchmarks: 5
- HTML indexing: indexable
- Ranking lane: BenchAlign v5.7

## Quick Verdict

Pick Gemini 4 Argon if you want the stronger benchmark profile. DeepSeek V4.1 Flash 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 64.59 to 55.05.
- The clearest category separation is in coding, where the averages are 49.6 for DeepSeek V4.1 Flash and 68.4 for Gemini 4 Argon.
- The biggest single benchmark swing is Terminal-Bench 4.0 in Agentic, with scores of 31.20% and 57.40%.
- DeepSeek V4.1 Flash is the cheaper option on output tokens, which matters if you expect large responses or heavy interactive use.
- DeepSeek V4.1 Flash also has the larger context window at 1M.

## Model Snapshot

| Property | DeepSeek V4.1 Flash | Gemini 4 Argon |
|----------|----------|----------|
| Creator | DeepSeek | Google |
| Type | Open Weight | Proprietary |
| Reasoning | Reasoning | Reasoning |
| Context | 1M | null |
| Overall Score | 55.05 | 64.59 |
| Benchmarks Covered | 24 | 17 |
| Pricing (input/output) | $0.30 / $1.20 | $2.00 / $10.00 |

## Category Breakdown

### Agentic

- Winner: Directional only
- DeepSeek V4.1 Flash public-lane score: 57.6 (Supported · #26/119)
- Gemini 4 Argon public-lane score: 63.7 (Estimated · #14/119)

| Benchmark | DeepSeek V4.1 Flash | Gemini 4 Argon | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.1 | 90.6% | Coming soon | Coming soon |
| terminalBench3 | 30% | Coming soon | Coming soon |
| Terminal-Bench 4.0 | 31.20% | 57.40% | Gemini 4 Argon |
| CyberGym | 88.1% | Coming soon | Coming soon |
| ExploitGym | 15.3% | Coming soon | Coming soon |
| HLE w/ tools | 63.9% | Coming soon | Coming soon |
| AutomationBench | 54.8% | 51.3% | DeepSeek V4.1 Flash |
| Agents' Last Exam | 31.8% | 39.5% | Gemini 4 Argon |
| Terminal-Bench 2.1 (Vals) | 74.5% | Coming soon | Coming soon |
| CWE-bench v1 | 55.0% | 68.0% | Gemini 4 Argon |
| Finance Agent v2 | Coming soon | 65.4% | Coming soon |
| OSWorld 2.0 | Coming soon | 69.2% | Coming soon |
| Terminal-Bench-Science 0.1 (6x verifier timeout) | Coming soon | 57.6% | Coming soon |

### Coding

- Winner: Directional only
- DeepSeek V4.1 Flash public-lane score: 49.6 (Estimated · #45/144)
- Gemini 4 Argon public-lane score: 68.4 (Supported · #8/144)

| Benchmark | DeepSeek V4.1 Flash | Gemini 4 Argon | Winner |
|-----------|-----------|-----------|--------|
| Codeforces | 3471.0 | Coming soon | Coming soon |
| Terminal-Bench 2.1 | 90.6% | Coming soon | Coming soon |
| terminalBench3 | 30% | Coming soon | Coming soon |
| DeepSWE | 74.2% | 77.9% | Gemini 4 Argon |
| ProgramBench | 20.3% | Coming soon | Coming soon |
| NL2Repo | 65.4% | Coming soon | Coming soon |
| OpenHarmony Bench | 60.3% | Coming soon | Coming soon |
| FrontierSWE v2 | Coming soon | 55.1% | Coming soon |
| Vibe Code Bench | Coming soon | 91.90% | Coming soon |
| PostTrainBench v1.1 | Coming soon | 45.3% | Coming soon |

### Reasoning

- Winner: Not comparable
- DeepSeek V4.1 Flash public-lane score: 79.6 (Unranked · 2 rankable rows)
- Gemini 4 Argon public-lane score: 77.1 (Unranked · 3 rankable rows)

| Benchmark | DeepSeek V4.1 Flash | Gemini 4 Argon | Winner |
|-----------|-----------|-----------|--------|
| Graphwalks BFS 128K | Coming soon | 99.7% | Coming soon |
| GraphWalks BFS 256K–1M | Coming soon | 84.2% | Coming soon |

### Multimodal & Grounded

- Winner: Not comparable
- DeepSeek V4.1 Flash public-lane score: 74.5 (Unranked · 1 rankable row)
- Gemini 4 Argon public-lane score: Coming soon

| Benchmark | DeepSeek V4.1 Flash | Gemini 4 Argon | Winner |
|-----------|-----------|-----------|--------|
| Chartography (tools) | 78.9% | Coming soon | Coming soon |
| BabyVision w/ Python | 89.6% | Coming soon | Coming soon |
| ZeroBench w/ Python | 49.0% | Coming soon | Coming soon |
| Chartography (no tools) | Coming soon | 71.6% | Coming soon |
| LVBench | Coming soon | 91.7% | Coming soon |

### Knowledge

- Winner: Gemini 4 Argon
- DeepSeek V4.1 Flash public-lane score: 61 (Supported · #38/170)
- Gemini 4 Argon public-lane score: 72.9 (Supported · #11/170)

| Benchmark | DeepSeek V4.1 Flash | Gemini 4 Argon | Winner |
|-----------|-----------|-----------|--------|
| GPQA | 90.9% | Coming soon | Coming soon |
| GPQA-D | 90.9% | Coming soon | Coming soon |
| HLE | 36.8% | Coming soon | Coming soon |
| LABBench2 | Coming soon | 88.8% | Coming soon |

### Instruction Following

- Winner: Not comparable
- DeepSeek V4.1 Flash public-lane score: Coming soon
- Gemini 4 Argon public-lane score: Coming soon

| Benchmark | DeepSeek V4.1 Flash | Gemini 4 Argon | Winner |
|-----------|-----------|-----------|--------|
| Gray Swan IPI (15 attempts) | Coming soon | 0.7% | Coming soon |

### Mathematics

- Winner: Not comparable
- DeepSeek V4.1 Flash public-lane score: Coming soon
- Gemini 4 Argon public-lane score: Coming soon

| Benchmark | DeepSeek V4.1 Flash | Gemini 4 Argon | Winner |
|-----------|-----------|-----------|--------|
| Apex | 65.6% | Coming soon | Coming soon |

## FAQ

### Which is better overall, DeepSeek V4.1 Flash or Gemini 4 Argon?

Gemini 4 Argon is ahead overall on BenchLM right now.

### Where is the biggest gap between DeepSeek V4.1 Flash and Gemini 4 Argon?

The widest category gap is in coding, where the averages are 49.6 for DeepSeek V4.1 Flash and 68.4 for Gemini 4 Argon.

### How many benchmarks does DeepSeek V4.1 Flash cover on BenchLM?

DeepSeek V4.1 Flash currently has 24 sourced benchmark scores on BenchLM.

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

Gemini 4 Argon currently has 17 sourced benchmark scores on BenchLM.

## Related Comparisons

- [DeepSeek V4.1 Flash vs GPT-6 Astra](/compare/deepseek-v4-1-flash-vs-gpt-6-astra)
- [Gemini 4 Argon vs GPT-6 Astra](/compare/gemini-4-argon-vs-gpt-6-astra)
- [DeepSeek V4.1 Flash vs Claude Opus 5.5](/compare/claude-opus-5-5-vs-deepseek-v4-1-flash)
- [Gemini 4 Argon vs Claude Opus 5.5](/compare/claude-opus-5-5-vs-gemini-4-argon)

## Explore More

- [DeepSeek V4.1 Flash profile](/models/deepseek-v4-1-flash)
- [Gemini 4 Argon profile](/models/gemini-4-argon)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)