Model Comparison
LFM2 8B A1B
vs. Llama 3.1 Instruct 405B
Comparing 2 AI models · 12 benchmarks · Liquid AI, Meta
Recommended Pick
Me Llama 3.1 Instruct 405B 12 metric wins Strongest on: Throughput, Reasoning, Intelligence
Lowest Price
LFM2 8B A1B
$0.00/1M input price
Best Reasoning
Llama 3.1 Instruct 405B
24.4 reasoning score
Blends available reasoning benchmarks
Best for Coding
Llama 3.1 Instruct 405B
14.5 coding index
Composite Indices
Higher is better; speed and price are normalized
Standard Benchmarks
Only benchmarks with data are shown
Differences That Matter
Price gap
LFM2 8B A1B is ∞x cheaper on input tokens than Llama 3.1 Instruct 405B.
Reasoning gap
Llama 3.1 Instruct 405B leads LFM2 8B A1B by 5.0 points on reasoning.
Coding gap
Llama 3.1 Instruct 405B leads LFM2 8B A1B by 12.2 points on coding.
Top-pick rationale
Llama 3.1 Instruct 405B wins 12 measurable categories, including Throughput, Reasoning, Intelligence, Coding.
Response Face-Off
Run one prompt through the selected models and compare response quality with live speed and cost context.
LFM2 8B A1B
Liquid AI
TTFT
—
Time
—
tok/s
—
Tokens
—
Cost
—
Llama 3.1 Instruct 405B
Meta
TTFT
—
Time
—
tok/s
—
Tokens
—
Cost
—
Which answer was more useful?
Full Comparison
| Metric | Li LFM2 8B A1B | Top Pick Me Llama 3.1 Instruct 405B |
|---|---|---|
| Pricing per 1M tokens | ||
| Input Cost | $0.00/1M | $2.75/1M |
| Output Cost | $0.00/1M | $6.50/1M |
| Blended (3:1) | — | $3.69/1M |
| Specifications | ||
| Organization | Liquid AI | Meta |
| Release Date | Oct 7, 2025 | Jul 23, 2024 |
| Performance & Speed | ||
| Throughput | — | 44.0 tok/s |
| TTFT | — | 622ms |
| Latency | — | 622ms |
| Composite Indices | ||
| Value Score | — | 100.0 |
| Reasoning Score | 19.4 | 24.4 |
| Intelligence | 7.0 | 17.4 |
| Coding | 2.3 | 14.5 |
| Math | 25.3 | 3.0 |
| Standard Benchmarks | ||
| GPQA | 34.4% | 51.5% |
| MMLU Pro | 50.5% | 73.2% |
| HLE | 4.9% | 4.2% |
| LiveCodeBench | 15.1% | 30.5% |
| MATH 500 | — | 70.3% |
| AIME 2025 | 25.3% | 3.0% |
| AIME (Original) | — | 21.3% |
| SciCode | 6.8% | 29.9% |
| LCR | 0.0% | 24.3% |
| IFBench | 26.3% | 39.0% |
| TAU-bench v2 | 10.5% | 19.0% |
| TerminalBench Hard | 0.0% | 6.8% |
Key Takeaways
LFM2 8B A1B offers the best value at $0.00/1M, making it ideal for high-volume applications and cost-conscious projects.
Llama 3.1 Instruct 405B has the strongest reasoning profile with a 24.4 reasoning score, combining the available reasoning-heavy benchmarks.
Llama 3.1 Instruct 405B reaches a 14.5 coding index, making it the top choice for software development and code generation tasks.
All models support context windows of ∞+ tokens, suitable for processing lengthy documents and maintaining extended conversations.
When to Choose Each Model
LFM2 8B A1B
- Cost-sensitive applications
- High-volume processing
Llama 3.1 Instruct 405B
- Complex reasoning tasks
- Research & analysis
- Code generation
- Software development
