# DeepSeek V4.1 Flash vs Llama 3.1 8B

> Side-by-side benchmark comparison for DeepSeek V4.1 Flash and Llama 3.1 8B across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/deepseek-v4-1-flash-vs-llama-3-1-8b
- Last updated: October 14, 2026

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

## Quick Verdict

Evidence is too thin for a benchmark verdict: DeepSeek V4.1 Flash and Llama 3.1 8B 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.
- DeepSeek V4.1 Flash has the larger published context window at 1M.

## Model Snapshot

| Property | DeepSeek V4.1 Flash | Llama 3.1 8B |
|----------|----------|----------|
| Creator | DeepSeek | Meta |
| Type | Open Weight | Open Weight |
| Reasoning | Reasoning | Non-Reasoning |
| Context | 1M | 128K |
| Independent public score (not head-to-head) | 64.85 | null |
| Benchmarks Covered | 29 | 7 |
| Pricing (input/output) | $0.30 / $1.20 | N/A |

## Category Breakdown

### Agentic

- Winner: Insufficient shared evidence
- DeepSeek V4.1 Flash public-lane score: 62 (Supported · #24/124)
- Llama 3.1 8B public-lane score: Coming soon

| Benchmark | DeepSeek V4.1 Flash | Llama 3.1 8B | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.1 | 90.6% | Coming soon | Coming soon |
| terminalBench3 | 30% | Coming soon | Coming soon |
| Terminal-Bench 4.0 | 31.20% | Coming soon | Coming soon |
| 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% | Coming soon | Coming soon |
| Agents' Last Exam | 31.8% | Coming soon | Coming soon |
| Terminal-Bench 2.1 (Vals) | 74.5% | Coming soon | Coming soon |
| CWE-bench v1 | 55.0% | Coming soon | Coming soon |

### Coding

- Winner: Insufficient shared evidence
- DeepSeek V4.1 Flash public-lane score: 60.8 (Supported · #18/148)
- Llama 3.1 8B public-lane score: Coming soon

| Benchmark | DeepSeek V4.1 Flash | Llama 3.1 8B | 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% | Coming soon | Coming soon |
| ProgramBench | 20.3% | Coming soon | Coming soon |
| NL2Repo | 65.4% | Coming soon | Coming soon |
| OpenHarmony Bench | 60.3% | Coming soon | Coming soon |
| Bug Hunt Bench | 21.7 fixes | Coming soon | Coming soon |
| HumanEval | Coming soon | 72.6% | Coming soon |

### Reasoning

- Winner: Insufficient shared evidence
- DeepSeek V4.1 Flash public-lane score: 83.4 (Unranked · 4 rankable rows)
- Llama 3.1 8B public-lane score: Coming soon

| Benchmark | DeepSeek V4.1 Flash | Llama 3.1 8B | Winner |
|-----------|-----------|-----------|--------|
| JevBench 1.4 | 4.77 | Coming soon | Coming soon |
| JevBench 1.5 | 6.65 | Coming soon | Coming soon |

### Multimodal & Grounded

- Winner: Insufficient shared evidence
- DeepSeek V4.1 Flash public-lane score: 77.9 (Unranked · 1 rankable row)
- Llama 3.1 8B public-lane score: Coming soon

| Benchmark | DeepSeek V4.1 Flash | Llama 3.1 8B | 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 |

### Knowledge

- Winner: Insufficient shared evidence
- DeepSeek V4.1 Flash public-lane score: 65.1 (Supported · #34/181)
- Llama 3.1 8B public-lane score: Coming soon

| Benchmark | DeepSeek V4.1 Flash | Llama 3.1 8B | Winner |
|-----------|-----------|-----------|--------|
| GPQA | 90.9% | 30.4% | DeepSeek V4.1 Flash |
| GPQA-D | 90.9% | Coming soon | Coming soon |
| HLE | 36.8% | Coming soon | Coming soon |
| MMLU | Coming soon | 73% | Coming soon |
| MMLU-Pro | Coming soon | 48.3% | Coming soon |

### Multilingual

- Winner: Insufficient shared evidence
- DeepSeek V4.1 Flash public-lane score: Coming soon
- Llama 3.1 8B public-lane score: Coming soon

| Benchmark | DeepSeek V4.1 Flash | Llama 3.1 8B | Winner |
|-----------|-----------|-----------|--------|
| MGSM | Coming soon | 68.9% | Coming soon |

### Instruction Following

- Winner: Insufficient shared evidence
- DeepSeek V4.1 Flash public-lane score: Coming soon
- Llama 3.1 8B public-lane score: Coming soon

| Benchmark | DeepSeek V4.1 Flash | Llama 3.1 8B | Winner |
|-----------|-----------|-----------|--------|
| IFEval | Coming soon | 80.4% | Coming soon |

### Mathematics

- Winner: Insufficient shared evidence
- DeepSeek V4.1 Flash public-lane score: 70.1 (Unranked · 3 rankable rows)
- Llama 3.1 8B public-lane score: Coming soon

| Benchmark | DeepSeek V4.1 Flash | Llama 3.1 8B | Winner |
|-----------|-----------|-----------|--------|
| Apex | 65.6% | Coming soon | Coming soon |
| FrontierMath v2 (Tiers 1-3) | 67.368% | Coming soon | Coming soon |
| FrontierMath v2 (Tier 4) | 26.829% | Coming soon | Coming soon |
| GSM8K | Coming soon | 84.5% | Coming soon |

## FAQ

### Is there enough evidence to pick between DeepSeek V4.1 Flash and Llama 3.1 8B?

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

- [DeepSeek V4.1 Flash vs Claude Opus 5.5](/compare/claude-opus-5-5-vs-deepseek-v4-1-flash)
- [Llama 3.1 8B vs Claude Opus 5.5](/compare/claude-opus-5-5-vs-llama-3-1-8b)
- [DeepSeek V4.1 Flash vs GPT-6.1 Sol](/compare/deepseek-v4-1-flash-vs-gpt-6-1-sol)
- [Llama 3.1 8B vs GPT-6.1 Sol](/compare/gpt-6-1-sol-vs-llama-3-1-8b)

## Explore More

- [DeepSeek V4.1 Flash profile](/models/deepseek-v4-1-flash)
- [Llama 3.1 8B profile](/models/llama-3-1-8b)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)