DeepSeek V3 and Meta Llama 3.1 405B are closely matched ai language models devices with nearly identical overall scores (6.5 vs 6.2). The best choice depends on which specific features matter most to you.
Scores are relative within the ai language modelscategory. Percentages show each dimension's weight in the overall score. A difference of less than 0.5 points is considered a tie.
✓ Pros
✗ Cons
✓ Pros
✗ Cons
Lower cost = better value. Free = open-source self-hosted.
| Metric | DeepSeek V3 | 3.1 405B |
|---|---|---|
| Input (Prompt) | $0.27/1M | ✓Free/1M |
| Output (Completion) | $1.10/1M | ✓Free/1M |
| Open Source | ✓ Free | ✓ Free |
Context Window (tokens)
| Metric | DeepSeek V3 | 3.1 405B |
|---|---|---|
| Max Output | ✓8,192 tok | 4,096 tok |
| Speed | ✓60 tok/s | 30 tok/s |
| Time to First Token | ✓800ms | 1.5s |
| Languages | ✓20+ | 8+ |
Higher is better. Industry-standard AI evaluation benchmarks.
DeepSeek V3
3.1 405B
DeepSeek V3
3.1 405B
DeepSeek V3
3.1 405B
DeepSeek V3
3.1 405B
DeepSeek V3
3.1 405B
| Feature | DeepSeek V3 | 3.1 405B |
|---|---|---|
| Reasoning / Chain-of-Thought | ✕ | ✕ |
| Vision (Image Input) | ✕ | ✕ |
| Audio Input | ✕ | ✕ |
| Video Input | ✕ | ✕ |
| Image/Audio Output | ✕ | ✕ |
| Function Calling / Tools | ✓ | ✓ |
| JSON Mode | ✓ | ✓ |
| Real-time Web Access | ✕ | ✕ |
| Fine-tuning Support | ✓ | ✓ |
| Batch API | ✓ | ✓ |
| Streaming | ✓ | ✓ |
| Open Source | ✓ | ✓ |
| Field | DeepSeek V3 | 3.1 405B |
|---|---|---|
| Provider | DeepSeek | Meta |
| Parameters | 671B (37B active) | 405B |
| Knowledge Cutoff | 2024-07 | 2023-12 |
| License | MIT | Llama 3.1 Community |
| Best For | cost efficiencycodingopen sourcegeneral | open sourceself hostingfine tuningenterprise privacy |
Buy DeepSeek V3 if…
The DeepSeek V3 is worth considering if you prefer its specific design, ecosystem, or brand — though it scores lower overall in our comparison.
Buy Meta Llama 3.1 405B if…
The Meta Llama 3.1 405B is worth considering if you prefer its specific design, ecosystem, or brand — though it scores lower overall in our comparison.
DeepSeek V3 and Meta Llama 3.1 405B are closely matched ai language models devices with nearly identical overall scores (6.5 vs 6.2). The best choice depends on which specific features matter most to you.
Both products score similarly — it depends on your priorities.
Check the latest prices using the buy links above.
The DeepSeek V3 is worth considering if you prefer its specific design, ecosystem, or brand — though it scores lower overall in our comparison.
The Meta Llama 3.1 405B is worth considering if you prefer its specific design, ecosystem, or brand — though it scores lower overall in our comparison.