Llama 3.1 405B
by Meta · open-source · Last verified 2026-03-17
The largest openly available language model at 405 billion parameters, rivaling proprietary frontier models in reasoning and knowledge. A landmark release demonstrating open-source models can match closed alternatives.
https://llama.meta.com ↗B+
B+—Good
Adoption: B+Quality: A+Freshness: BCitations: A+Engagement: F
Specifications
- License
- Llama 3.1 Community License
- Pricing
- open-source
- Capabilities
- text-generation, code-generation, reasoning, tool-use, long-context, multilingual
- Integrations
- huggingface, vllm, together-ai, aws-bedrock, azure-ai
- Use Cases
- frontier-research, enterprise-deployment, synthetic-data-generation, complex-reasoning, code-generation
- API Available
- No
- Parameters
- 405B
- Context Window
- 128K tokens
- Modalities
- text
- Training Cutoff
- December 2023
- Tags
- llm, open-source, frontier, largest, reasoning, meta
- Added
- 2026-03-17
- Completeness
- 100%
Index Score
72.2Adoption
78
Quality
90
Freshness
62
Citations
92
Engagement
0