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Meta Releases Llama 4 as Fully Open Source with Commercial License
Tuesday, March 31, 2026
Meta has released Llama 4 under a permissive commercial license, making it the most capable fully open-source language model available. The model comes in 8B, 70B, and 405B parameter variants, with the 70B version matching GPT-4-class performance. Meta has also released full training code, datasets, and RLHF recipes, setting a new standard for open-source AI transparency.
Key Takeaways
- Three variants: 8B, 70B, and 405B parameters
- 70B model matches GPT-4-class performance on most benchmarks
- Full training code, datasets, and RLHF recipes released
- Permissive commercial license for companies under 100M MAU