Is OpenAI: GPT-4o-mini or OpenAI: GPT-5.2-Codex cheaper?

OpenAI: GPT-4o-mini is cheaper on output tokens ($0.60 vs $14.00 per 1M).

Which has the larger context window, OpenAI: GPT-4o-mini or OpenAI: GPT-5.2-Codex?

OpenAI: GPT-5.2-Codex has the larger context window (400K tokens).

OpenAI: GPT-4o-mini vs OpenAI: GPT-5.2-Codex

OpenAI: GPT-4o-mini is cheaper on output tokens, while OpenAI: GPT-5.2-Codex offers a larger context window. Choose OpenAI: GPT-4o-mini or OpenAI: GPT-5.2-Codex based on the trade-off between cost, context, and the benchmarks that matter for your use case.

Spec	OpenAI: GPT-4o-mini	OpenAI: GPT-5.2-Codex
Provider	OpenAI	OpenAI
Input / 1M tokens	$0.15	$1.75
Output / 1M tokens	$0.60	$14.00
Context window	128K	400K
Parameters	—	—
Open weights	No	No
Released	Jul 2024	Dec 2025

OpenAI: GPT-4o-mini details →OpenAI: GPT-5.2-Codex details →

FAQ

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