Key Takeaways
Llama 3.1 405B Instruct wins:
- Higher intelligence benchmark
- Better at coding
Llama 4 Scout wins:
- Cheaper input tokens
- Cheaper output tokens
- Larger context window
- Faster response time
- Better at math
- Supports vision
Price Advantage
Llama 4 Scout
Benchmark Advantage
Llama 3.1 405B Instruct
Context Window
Llama 4 Scout
Speed
Llama 4 Scout
Pricing Comparison
Price Comparison
| Metric | Llama 3.1 405B Instruct | Llama 4 Scout | Winner |
|---|---|---|---|
| Input (per 1M tokens) | $4.00 | $0.08 | Llama 4 Scout |
| Output (per 1M tokens) | $4.00 | $0.30 | Llama 4 Scout |
Using a 3:1 input/output ratio, Llama 4 Scout is 97% cheaper overall.
Llama 3.1 405B Instruct Providers
Hyperbolic $4.00 (Cheapest)
Google $5.00
Llama 4 Scout Providers
DeepInfra $0.08 (Cheapest)
Friendli $0.10
Vercel $0.10
Groq $0.11
Novita $0.18
Benchmark Comparison
8
Benchmarks Compared
3
Llama 3.1 405B Instruct Wins
4
Llama 4 Scout Wins
Benchmark Scores
| Benchmark | Llama 3.1 405B Instruct | Llama 4 Scout | Winner |
|---|---|---|---|
Intelligence Index Overall intelligence score | 14.2 | 13.5 | |
Coding Index Code generation & understanding | 14.5 | 6.7 | |
Math Index Mathematical reasoning | 3.0 | 14.0 | |
MMLU Pro Academic knowledge | 73.2 | 75.2 | |
GPQA Graduate-level science | 51.5 | 58.7 | |
LiveCodeBench Competitive programming | 30.5 | 29.9 | |
Aider Real-world code editing | 66.2 | - | - |
AIME Competition math | 21.3 | 28.3 |
Llama 3.1 405B Instruct significantly outperforms in coding benchmarks.
Cost vs Quality
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Llama 3.1 405B Instruct
Other models
Context & Performance
Context Window
Llama 3.1 405B Instruct
131,000
tokens
Llama 4 Scout
327,680
tokens
Max output: 16,384 tokens
Llama 4 Scout has a 60% larger context window.
Speed Performance
| Metric | Llama 3.1 405B Instruct | Llama 4 Scout | Winner |
|---|---|---|---|
| Tokens/second | 25.2 tok/s | 156.0 tok/s | |
| Time to First Token | 0.79s | 0.49s |
Llama 4 Scout responds 520% faster on average.
Capabilities
Feature Comparison
| Feature | Llama 3.1 405B Instruct | Llama 4 Scout |
|---|---|---|
| Vision (Image Input) | ||
| Tool/Function Calls | ||
| Reasoning Mode | ||
| Audio Input | ||
| Audio Output | ||
| PDF Input | ||
| Prompt Caching | ||
| Web Search |
License & Release
| Property | Llama 3.1 405B Instruct | Llama 4 Scout |
|---|---|---|
| License | Open Source | Open Source |
| Author | Meta-llama | Meta-llama |
| Released | Jul 2024 | Apr 2025 |
Llama 3.1 405B Instruct Modalities
Input
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Output
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Llama 4 Scout Modalities
Input
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Output
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