Key Takeaways
Llama 3.1 405B Instruct wins:
- No clear advantages in compared metrics
Devstral 2 2512 wins:
- Cheaper input tokens
- Larger context window
- Faster response time
- Higher intelligence benchmark
- Better at coding
- Better at math
Price Advantage
Devstral 2 2512
Benchmark Advantage
Devstral 2 2512
Context Window
Devstral 2 2512
Speed
Devstral 2 2512
Pricing Comparison
Price Comparison
| Metric | Llama 3.1 405B Instruct | Devstral 2 2512 | Winner |
|---|---|---|---|
| Input (per 1M tokens) | $0.90 | $0.40 | Devstral 2 2512 |
| Output (per 1M tokens) | $0.90 | $0.90 | Tie |
| Cache Read (per 1M) | $0.45 | $0.45 | Tie |
Using a 3:1 input/output ratio, Devstral 2 2512 is 42% cheaper overall.
Llama 3.1 405B Instruct Providers
No provider data available
Devstral 2 2512 Providers
No provider data available
Benchmark Comparison
8
Benchmarks Compared
0
Llama 3.1 405B Instruct Wins
6
Devstral 2 2512 Wins
Benchmark Scores
| Benchmark | Llama 3.1 405B Instruct | Devstral 2 2512 | Winner |
|---|---|---|---|
Intelligence Index Overall intelligence score | 17.4 | 22.0 | |
Coding Index Code generation & understanding | 14.5 | 23.7 | |
Math Index Mathematical reasoning | 3.0 | 36.7 | |
MMLU Pro Academic knowledge | 73.2 | 76.2 | |
GPQA Graduate-level science | 51.5 | 59.4 | |
LiveCodeBench Competitive programming | 30.5 | 44.8 | |
Aider Real-world code editing | 66.2 | - | - |
AIME Competition math | 21.3 | - | - |
Devstral 2 2512 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
Devstral 2 2512
262,144
tokens
Devstral 2 2512 has a 50% larger context window.
Speed Performance
| Metric | Llama 3.1 405B Instruct | Devstral 2 2512 | Winner |
|---|---|---|---|
| Tokens/second | 33.7 tok/s | 81.2 tok/s | |
| Time to First Token | 0.71s | 0.39s |
Devstral 2 2512 responds 141% faster on average.
Capabilities
Feature Comparison
| Feature | Llama 3.1 405B Instruct | Devstral 2 2512 |
|---|---|---|
| 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 | Devstral 2 2512 |
|---|---|---|
| License | Open Source | Open Source |
| Author | Meta-llama | Mistral AI |
| Released | Jul 2024 | Dec 2025 |
Llama 3.1 405B Instruct Modalities
Input
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Output
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Devstral 2 2512 Modalities
Input
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Output
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