Is Grok-4.20-Multi-Agent or GPT-5.5-Pro cheaper?

Grok-4.20-Multi-Agent is cheaper on output tokens ($6.00 vs $163.64 per 1M).

Which has the larger context window, Grok-4.20-Multi-Agent or GPT-5.5-Pro?

GPT-5.5-Pro has the larger context window (400K tokens).

Grok-4.20-Multi-Agent vs GPT-5.5-Pro

Grok-4.20-Multi-Agent is cheaper on output tokens, while GPT-5.5-Pro offers a larger context window. Choose Grok-4.20-Multi-Agent or GPT-5.5-Pro based on the trade-off between cost, context, and the benchmarks that matter for your use case.

Spec	Grok-4.20-Multi-Agent	GPT-5.5-Pro
Provider	Poe	Poe
Input / 1M tokens	$2.00	$27.27
Output / 1M tokens	$6.00	$163.64
Context window	128K	400K
Parameters	—	—
Open weights	No	No
Released	Mar 2026	Apr 2026

Grok-4.20-Multi-Agent details →GPT-5.5-Pro details →

FAQ

Pricing is indicative — confirm with the provider before production use. Highlighted values indicate the better figure for that row.