Is Grok Build 0.1 or Claude Opus 5.5 cheaper?

Grok Build 0.1 is cheaper on output tokens ($2.00 vs $20.00 per 1M).

Which has the larger context window, Grok Build 0.1 or Claude Opus 5.5?

Claude Opus 5.5 has the larger context window (1M tokens).

Grok Build 0.1 vs Claude Opus 5.5

Grok Build 0.1 is cheaper on output tokens, while Claude Opus 5.5 offers a larger context window. Choose Grok Build 0.1 or Claude Opus 5.5 based on the trade-off between cost, context, and the benchmarks that matter for your use case.

Spec	Grok Build 0.1	Claude Opus 5.5
Provider	CrossModel	CrossModel
Input / 1M tokens	$1.00	$4.00
Output / 1M tokens	$2.00	$20.00
Context window	256K	1M
Parameters	—	—
Open weights	No	No
Released	Apr 2026	Sep 2026

Grok Build 0.1 details →Claude Opus 5.5 details →

FAQ

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