LLMOpen weights
Grok-1
xAI
Updated May 22, 2026 · Benchmarks via Artificial Analysis, specs & pricing via OpenRouter · Methodology · Report an error
Superseded by Grok-2
Specifications
- Type
- LLM
- Access
- Open weights
- Released
- November 4, 2023
- Parameters
- 314B total (MoE)
- Input
- Text
- Output
- Text
- API pricing
- $0.00 in · $0.00 out / 1M tokens
Our take
xAI’s debut model, later open-sourced as a 314B mixture-of-experts — the company’s entry into the frontier race.