Model Comparison
Gemini 1.5 Flash-8B
vs. Llama 3.1 Instruct 405B
Comparing 2 AI models · 12 benchmarks · Google, Meta
Recommended Pick
Me Llama 3.1 Instruct 405B 8 metric wins Strongest on: Throughput, Intelligence, GPQA
Lowest Price
Gemini 1.5 Flash-8B
$0.00/1M input price
Best Reasoning
Gemini 1.5 Flash-8B
24.8 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
Gemini 1.5 Flash-8B is ∞x cheaper on input tokens than Llama 3.1 Instruct 405B.
Reasoning gap
Gemini 1.5 Flash-8B leads Llama 3.1 Instruct 405B by 0.4 points on reasoning.
Top-pick rationale
Llama 3.1 Instruct 405B wins 8 measurable categories, including Throughput, Intelligence, GPQA, MMLU Pro.
Response Face-Off
Run one prompt through the selected models and compare response quality with live speed and cost context.
Gemini 1.5 Flash-8B
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 | Go Gemini 1.5 Flash-8B | 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 | Meta | |
| Release Date | Oct 3, 2024 | Jul 23, 2024 |
| Performance & Speed | ||
| Throughput | — | 44.0 tok/s |
| TTFT | — | 622ms |
| Latency | — | 622ms |
| Composite Indices | ||
| Value Score | — | 100.0 |
| Reasoning Score | 24.8 | 24.4 |
| Intelligence | 11.1 | 17.4 |
| Coding | — | 14.5 |
| Math | — | 3.0 |
| Standard Benchmarks | ||
| GPQA | 35.9% | 51.5% |
| MMLU Pro | 56.9% | 73.2% |
| HLE | 4.5% | 4.2% |
| LiveCodeBench | 21.7% | 30.5% |
| MATH 500 | 68.9% | 70.3% |
| AIME 2025 | — | 3.0% |
| AIME (Original) | 3.3% | 21.3% |
| SciCode | 22.9% | 29.9% |
| LCR | — | 24.3% |
| IFBench | — | 39.0% |
| TAU-bench v2 | — | 19.0% |
| TerminalBench Hard | — | 6.8% |
Key Takeaways
Gemini 1.5 Flash-8B offers the best value at $0.00/1M, making it ideal for high-volume applications and cost-conscious projects.
Gemini 1.5 Flash-8B has the strongest reasoning profile with a 24.8 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
Gemini 1.5 Flash-8B
- Cost-sensitive applications
- High-volume processing
- Complex reasoning tasks
- Research & analysis
Llama 3.1 Instruct 405B
- Code generation
- Software development
