Is Grok 4.1 Fast (Non-Reasoning) or Claude Opus 4.5 cheaper?

Grok 4.1 Fast (Non-Reasoning) is cheaper on output tokens ($0.50 vs $25.00 per 1M).

Which has the larger context window, Grok 4.1 Fast (Non-Reasoning) or Claude Opus 4.5?

Grok 4.1 Fast (Non-Reasoning) has the larger context window (2M tokens).

Grok 4.1 Fast (Non-Reasoning) vs Claude Opus 4.5

Grok 4.1 Fast (Non-Reasoning) is cheaper on output tokens, while Grok 4.1 Fast (Non-Reasoning) offers a larger context window. Choose Grok 4.1 Fast (Non-Reasoning) or Claude Opus 4.5 based on the trade-off between cost, context, and the benchmarks that matter for your use case.

Spec	Grok 4.1 Fast (Non-Reasoning)	Claude Opus 4.5
Provider	Perplexity Agent	Perplexity Agent
Input / 1M tokens	$0.20	$5.00
Output / 1M tokens	$0.50	$25.00
Context window	2M	200K
Parameters	—	—
Open weights	No	No
Released	Nov 2025	Nov 2025

Grok 4.1 Fast (Non-Reasoning) details →Claude Opus 4.5 details →

FAQ

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