# Llama 4 Behemoth: AI model fact sheet

- **Provider:** meta
- **Released:** 2026-06-01
- **Context window:** 128,000 tokens
- **Parameters:** 288B active (2T total)
- **Capabilities:** conversation, reasoning, code-generation, analysis

Llama 4 Behemoth is Meta's most powerful model yet with 288B active parameters and 16 experts (nearly 2T total parameters), outperforming GPT-4.5, Claude Sonnet 3.7, and Gemini 2.0 Pro on several STEM benchmarks.

## Benchmarks

| Benchmark | Score |
| --- | --- |
| MMLU | 90.5% |
| MATH-500 | 83.7% |
| GPQA Diamond | 87.2% |
| HumanEval | 92.1% |

Source: real side-by-side outputs, pricing and specs at https://rival.tips/models/llama-4-behemoth