Model comparison · text
DeepSeek-V3 vs Llama-3.1-405B
Symmetrical, primary-source facts with unknown values left visible. No winner is assigned without comparable measurements.
FieldAt a glance
DeepSeek · activeDeepSeek-V3Verified Aug 28, 2026
Meta · activeLlama-3.1-405BVerified Aug 28, 2026
Technical differences
Side-by-side facts
| Field | DeepSeek-V3 | Llama-3.1-405B |
|---|---|---|
| Developer | DeepSeek | Meta |
| Family | Deepseek V3 | Llama 3 1 405b |
| Model | DeepSeek-V3 | Llama-3.1-405B |
| Version | DeepSeek-V3 | Llama-3.1-405B |
| Lifecycle | active | active |
| Input modalities | Text | Text |
| Output modalities | Text | Text |
| Context window | 163840 | 131072 |
| Total parameters | 684531386000 | 405853388800 |
| Active parameters | 37000000000 | Unknown |
| License | Unknown | llama3.1 |
| Open weights | Yes | Yes |
| API available | Yes | Unknown |
| Self-hostable | Yes | Yes |
| Capabilities | chat, generation | generation |
12 comparable fields · 7 material differences · Pair passes the primary-source comparison gate
Primary benchmark evidence
Comparable performance
No protocol-matched benchmark yet.Results appear here only when both models share the same benchmark version, metric, evaluation protocol, and evidence class.
DeepSeek-V3 capabilities
Input price—
Output price—
Serving providers0
Canonical IDdeepseek-ai/DeepSeek-V3
Llama-3.1-405B capabilities
Input price—
Output price—
Serving providers0
Canonical IDmeta-llama/Llama-3.1-405B
Internal comparison graph
Related comparisons
Primary evidence