Llama 3.1 405B
by Meta
· Llama 3.1 family · released Jul 23, 2024
Open weights
Active
Largest open-weight model of its time.
Pricing
Launch price (from Jul 23, 2024)
$2.75 in / $3.50 out per 1M tokens
Current price (since Jul 23, 2024)
$2.75 in / $3.50 out per 1M tokens
Cache read: $0.500/M
| Tier | Effective | In $/M | Out $/M | Cache $/M | Per image | Per second | Source |
|---|---|---|---|---|---|---|---|
| Standard | Jul 23, 2024 – now | $2.75 | $3.50 | $0.500 | - | - | - |
Specifications
| Model type | Text LLM |
|---|---|
| Architecture | Dense |
| Parameters | 405 |
| Context window | 131.1K tokens |
| Max output | 131.1K tokens |
| Knowledge cutoff | Dec 1, 2023 |
| License | Llama 3 Community License |
| Modalities | Text input Text output |
| Tags | Flagship Long context |
| End of life | Not disclosed |
| Last verified | Aug 20, 2026 |
Benchmarks
| Benchmark | Score | Src |
|---|---|---|
| LMSYS Chatbot Arena Elo | 1,275 | - |
| MMLU | 88.6% | official |