Mycelis
Mycelis
xAI
Grok 4.1 Fast is a commercial model from xAI. Focus areas: Chat, Fast, Long Context. Context window: 2,000,000 tokens.
Context window
2M
Reasoning level
8 / 10
MMLU
86.0
HumanEval
85.0
Pricing
$0.20 per 1M input tokens
Usable the moment you add a key — your own (BYOK) or one managed by Mycelis. No GPU deployment or infrastructure needed.