Is OpenAI: GPT-5.4 Nano or OpenAI: GPT-5.2-Codex cheaper?

OpenAI: GPT-5.4 Nano is cheaper on output tokens ($1.25 vs $14.00 per 1M).

Which has the larger context window, OpenAI: GPT-5.4 Nano or OpenAI: GPT-5.2-Codex?

Both models offer a similar context window.

OpenAI: GPT-5.4 Nano vs OpenAI: GPT-5.2-Codex

OpenAI: GPT-5.4 Nano is cheaper on output tokens. Choose OpenAI: GPT-5.4 Nano 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-5.4 Nano	OpenAI: GPT-5.2-Codex
Provider	OpenAI	OpenAI
Input / 1M tokens	$0.20	$1.75
Output / 1M tokens	$1.25	$14.00
Context window	400K	400K
Parameters	—	—
Open weights	No	No
Released	Mar 2026	Dec 2025

OpenAI: GPT-5.4 Nano 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.