Grok 4.6 vs Opus 5.5
Grok 4.6 vs Opus 5.5 compared on intelligence, speed, and cost. Try both models on Zo, the always-on AI computer that does real work for you.
Intelligence
Grok 4.6 is smartervs
Speed
Opus 5.5 is fasterStandard
vsCost
Grok 4.6 is cheapervs
How to read this
Intelligence comes from SWE-bench Verified, the coding benchmark used by the model picker. Speed means the model is fast enough for the picker threshold. Cost shows the relative tier across Zo models: green is cheaper, amber is pricier.
Model details
500k tokens
Context
1M tokens
Feb 2026
Knowledge
Jun 2026
Aug 2026
Released
Sep 2026
$2.00/1M
Input
$4.00/1M
$6.00/1M
Output
$20.00/1M
Both Grok 4.6 and Opus 5.5 are available on Zo Computer. Try them both to see which one works best for your use case.