Is GPT-4o mini or Claude Fable 5.1 cheaper?

GPT-4o mini is cheaper on output tokens ($0.60 vs $50.00 per 1M).

Which has the larger context window, GPT-4o mini or Claude Fable 5.1?

Claude Fable 5.1 has the larger context window (1M tokens).

GPT-4o mini vs Claude Fable 5.1

GPT-4o mini is cheaper on output tokens, while Claude Fable 5.1 offers a larger context window. Choose GPT-4o mini or Claude Fable 5.1 based on the trade-off between cost, context, and the benchmarks that matter for your use case.

Spec	GPT-4o mini	Claude Fable 5.1
Provider	CrossModel	CrossModel
Input / 1M tokens	$0.15	$10.00
Output / 1M tokens	$0.60	$50.00
Context window	128K	1M
Parameters	—	—
Open weights	No	No
Released	Jul 2024	Sep 2026

GPT-4o mini details →Claude Fable 5.1 details →

FAQ

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