Inferbase
Beta
Llama 3.1 405B
Meta's latest class of model (Llama 3.1) launched with a variety of sizes & flavors. This is the base 405B pre-trained version. It has demonstrated strong performance compared to leading closed-source models in human evaluations. To read more about the model release, [click here](https://ai.meta.com/blog/meta-llama-3/). Usage of this model is subject to [Meta's Acceptable Use Policy](https://llama.meta.com/llama3/use-policy/).
Input
Output
Context
33K
Max Output
33K
Parameters
405B
Technical Specifications
Model TypeChat
Context Window33K
Max Output Tokens33K
Parameters405B
Training Cutoff—
Licensellama3.1
Capabilities
Input Modalities
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Output Modalities
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Benchmarks
Related Tools
Data sourced from official provider APIs and documentation
Last updated: Mar 16, 2026
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