Grok 4.20
xAI · Released Mar 10, 2026
$2
Input price / MTok
#20 of 27$6
Output price / MTok
#16 of 272M
Context window
#3 of 28Summary
Grok 4.20 is a proprietary language model from xAI, released on Mar 10, 2026.
At $2 input and $6 output per million tokens, it ranks #20 of 27 for input price, placing it mid-range on input cost.
Its context window of 2M tokens ranks #3 of 28 for context depth in this dataset.
It targets reasoning, agents, long-context workloads.
4-agent collaborative architecture (Grok/coordinator, Harper/research, Benjamin/math & code, Lucas/synthesis); integrates real-time X data. Architecture confirmed in xAI official docs.
No independently verified benchmark scores are available for this model. Scores are only shown when independently confirmed with a source URL.