Is GPT-4.1 mini or GPT-5.3 Codex cheaper?

GPT-4.1 mini is cheaper on output tokens ($1.60 vs $14.00 per 1M).

Which has the larger context window, GPT-4.1 mini or GPT-5.3 Codex?

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

GPT-4.1 mini vs GPT-5.3 Codex

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 GPT-5.3 Codex based on the trade-off between cost, context, and the benchmarks that matter for your use case.

Spec	GPT-4.1 mini	GPT-5.3 Codex
Provider	OpenRouter	OpenRouter
Input / 1M tokens	$0.40	$1.75
Output / 1M tokens	$1.60	$14.00
Context window	1M	400K
Parameters	—	—
Open weights	No	No
Released	Apr 2025	Feb 2026

GPT-4.1 mini details →GPT-5.3 Codex details →

FAQ

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