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ModelCap

Llama 3.1 405B Instruct FP8

Official build · attached, unrankedGated access

Meta·meta-llama/Llama-3.1-405B-Instruct-FP8

Llama 3.1 405B Instruct FP8 weight access is gated access, from ModelCap classification of published repository metadata as of 22 Sept 2026, 21:31 UTC.

Snapshot facts · download the public dataset · methodology

ModelCap Index
See primary model · Llama 3.1 405B
This release is visible for discovery, not ranked as a peer model
Market Gravity
7.7
Secondary market signal

This separately configured or accelerated route is reviewed as the same underlying model identity as Llama 3.1 405B. That canonical product owns rank and capability evidence; pricing, providers and other operational differences remain route-specific below.

OpenRouter endpoint status could not be refreshed. This model is not treated as currently served until a successful observation arrives.

Input
Self-hosted
weights only · no listed API price
Output
Self-hosted
weights only · no listed API price
Context
—
tokens
Providers
0
endpoints
Gateway spend
—
latest · Vercel share

Providers

Uptime measured over the last 30 minutes

Current provider status is unavailable.

Deployment readiness

Metadata index
53.6
partial · 69% metadata coverage
Not capability
Artifact reproducibility
100.0
Access & legal clarity
68.3
Deployability
8.0
Evaluation provenance
37.9

Missing: accessLegalClarity.resolvable-license-terms, deployability.independent-provider-records, deployability.measured-provider-uptime, deployability.published-provider-pricing, deployability.declared-capacity, evaluationProvenance.evaluation-dataset-revisions.

A metadata completeness and deployability index—not a safety certification, quality grade, or production-readiness claim.

Market activity

Venue coverage
Market Gravity
7.7
OpenRouter weekly popularity
Not listed

Market Gravity uses OpenRouter’s full-catalogue popularity order. Sparse Vercel top-ten observations appear only when published and do not affect the score.

Market Gravity breakdown

Usage55%
0.0

OpenRouter weekly popularity across the full model catalogue.

Liquidity25%
0.0

Independent providers versus the model's open or closed cohort, weighted by uptime.

Open reach15%
50.0

Hugging Face 30-day downloads for open models; neutral for closed models.

Freshness5%
4.8

Time since first public availability, on a six-month half-life.

Specification

Context window
— tokens
Max output
—
Inputs
Text
Outputs
Text
Tokenizer
—
Cached input tokens
Not offered
First seen on OpenRouter
20 Jul 2024

Capabilities

  • Not supported: Reasoning
  • Not supported: Tool use
  • Not supported: Structured output
  • Not supported: Response format
  • Not supported: Moderated

Weights & access

Gated access. The weights are hosted behind an access request or acceptance step. Review the publisher's access requirements and license before use or redistribution.

Access
Gated access
Licence
llama3.1
Pinned revision
64a54b704768
Parameters
405.9B
Architecture
LlamaForCausalLM
Model type
llama
Hugging Face downloads (30d)
329
Downloads (all time)
554K
Likes
194
Repository
meta-llama/Llama-3.1-405B-Instruct-FP8
Repository updated
25 Sept 2024, 17:02 UTC
Base lineage
meta-llama/Llama-3.1-405B-Instructmeta-llama/Meta-Llama-3.1-405B-Instruct