Model comparison · text
Llama-3.1-405B vs Llama-3.1-405B-Instruct
Symmetrical, primary-source facts with unknown values left visible. No winner is assigned without comparable measurements.
FieldAt a glance
Meta · activeLlama-3.1-405BVerified Aug 28, 2026
Meta · activeLlama-3.1-405B-InstructVerified Aug 28, 2026
Technical differences
Side-by-side facts
| Field | Llama-3.1-405B | Llama-3.1-405B-Instruct |
|---|---|---|
| Developer | Meta | Meta |
| Family | Llama 3 1 405b | Llama 3 1 405b Instruct |
| Model | Llama-3.1-405B | Llama-3.1-405B-Instruct |
| Version | Llama-3.1-405B | Llama-3.1-405B-Instruct |
| Lifecycle | active | active |
| Input modalities | Text | Text |
| Output modalities | Text | Text |
| Context window | 131072 | 131072 |
| Total parameters | 405853388800 | 405853388800 |
| Active parameters | Unknown | Unknown |
| License | llama3.1 | llama3.1 |
| Open weights | Yes | Yes |
| API available | Unknown | Unknown |
| Self-hostable | Yes | Yes |
| Capabilities | generation | chat, generation, tools |
13 comparable fields · 4 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.
Llama-3.1-405B capabilities
Input price—
Output price—
Serving providers0
Canonical IDmeta-llama/Llama-3.1-405B
Llama-3.1-405B-Instruct capabilities
Input price—
Output price—
Serving providers0
Canonical IDmeta-llama/Llama-3.1-405B-Instruct
Internal comparison graph
Related comparisons
Primary evidence