Llama 3.1 405B vs Llama 3.1 405B Instruct
At a Glance
| Compare |  Llama 3.1 405BMeta | |
|---|---|---|
| Pricing and Limits | ||
| Context windowMaximum documented tokens | 131K | 131K |
| Model facts checked | Aug 28, 2026View model evidence → | Aug 28, 2026View model evidence → |
Token prices are the lowest available sourced USD rates; input and output may use different providers. Cost ranking estimates output spend on LiveBench, not a full request bill. Ranking methodology →
Available Benchmarks
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 |
| Released | 2024-07-23 | 2024-07-23 |
| Knowledge cutoff | Unknown | Unknown |
| Input modalities | Text | Text |
| Output modalities | Text | Text |
| Context window | 131K | 131K |
| Total parameters | 405.9B | 405.9B |
| Active parameters | Unknown | Unknown |
| License | llama3.1 | llama3.1 |
| Open weights | Yes | Yes |
| API available | Yes | Yes |
| Self-hostable | Yes | Yes |
| Provider access | Together Ai (Standard) | Together Ai (Standard) |
| Capabilities | generation | chat, generation, tools |
Llama 3.1 405B Capabilities
Llama 3.1 405B Instruct Capabilities
Related Comparisons
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DeepSeek-V4-Pro-BaseDeepSeek | vs | Llama-3.1-405BMeta | cross-developer peerstext |
DeepSeek-R1DeepSeek | vs | Llama-3.1-405BMeta | cross-developer peerstext |
DeepSeek-V3DeepSeek | vs | Llama-3.1-405BMeta | cross-developer peerstext |
DeepSeek-V3.2DeepSeek | vs | Llama-3.1-405BMeta | cross-developer peerstext |
Llama-3.1-405BMeta | vs | Llama-3.1-70BMeta | family variantstext |
Llama-3.1-405BMeta | vs | Llama-3.1-8BMeta | family variantstext |
Llama-3.1-405BMeta | vs | family variantstext | |
Llama-3.1-405BMeta | vs |  Kimi-K2-InstructMoonshot AI | cross-developer peerstext |
Llama-3.1-405BMeta | vs | cross-developer peerstext | |
| vs | Llama-3.1-405BMeta | cross-developer peerstext |
Primary Evidence
Sources and Freshness
Questions
Llama 3.1 405B vs Llama 3.1 405B Instruct FAQs
Is Llama 3.1 405B or Llama 3.1 405B Instruct better for coding?+
This comparison does not currently contain a protocol-matched coding benchmark for both Llama 3.1 405B and Llama 3.1 405B Instruct, so Model Markets cannot name a coding leader from pricing, context size, or capability labels alone.
Which is cheaper, Llama 3.1 405B or Llama 3.1 405B Instruct?+
Neither model has a directly sourced input price in this comparison. Neither model has a directly sourced output price in this comparison.
Which has a larger context window, Llama 3.1 405B or Llama 3.1 405B Instruct?+
Both models have the same sourced context window: 131,072 tokens each.
Which performs better in benchmarks, Llama 3.1 405B or Llama 3.1 405B Instruct?+
There is no overall benchmark winner: At least two independently verified, protocol-matched benchmarks are required for an overall winner.
Can Llama 3.1 405B or Llama 3.1 405B Instruct be self-hosted?+
Both models have the same sourced self-hosting status: supported. Llama 3.1 405B is open weight; Llama 3.1 405B Instruct is open weight.
Can Llama 3.1 405B and Llama 3.1 405B Instruct understand images?+
Llama 3.1 405B is not documented with image input; Llama 3.1 405B Instruct is not documented with image input. This reflects supported input modalities, not vision quality.
Which can generate longer answers, Llama 3.1 405B or Llama 3.1 405B Instruct?+
Neither model has a sourced maximum output in this comparison, so a larger limit cannot be determined.
Do Llama 3.1 405B and Llama 3.1 405B Instruct support reasoning and tool use?+
Llama 3.1 405B: none of these features are definitively sourced. Llama 3.1 405B Instruct: tool calling. Feature support does not establish relative quality.
Which is available from more inference providers, Llama 3.1 405B or Llama 3.1 405B Instruct?+
Llama 3.1 405B has 1 sourced provider route; Llama 3.1 405B Instruct has 1, a tie.
Which offers better value, Llama 3.1 405B or Llama 3.1 405B Instruct?+
There is no universal value winner. Compare the input and output prices above with the matched benchmark result for your workload: cheaper tokens can be offset by different quality, token usage, latency, or provider availability.