Is GPT-4.1 mini or Claude Sonnet 4.5 cheaper?

GPT-4.1 mini is cheaper on output tokens ($1.60 vs $15.00 per 1M).

Which has the larger context window, GPT-4.1 mini or Claude Sonnet 4.5?

GPT-4.1 mini has the larger context window (1M tokens).

GPT-4.1 mini vs Claude Sonnet 4.5

GPT-4.1 mini is cheaper on output tokens, while GPT-4.1 mini offers a larger context window. Choose GPT-4.1 mini or Claude Sonnet 4.5 based on the trade-off between cost, context, and the benchmarks that matter for your use case.

Spec	GPT-4.1 mini	Claude Sonnet 4.5
Provider	Merge Gateway	Merge Gateway
Input / 1M tokens	$0.40	$3.00
Output / 1M tokens	$1.60	$15.00
Context window	1M	200K
Parameters	—	—
Open weights	No	No
Released	Apr 2025	Sep 2025

GPT-4.1 mini details →Claude Sonnet 4.5 details →

FAQ

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