Is GPT-5.3 Codex XHigh or GPT-5 Mini cheaper?

GPT-5 Mini is cheaper on output tokens ($2.00 vs $14.00 per 1M).

Which has the larger context window, GPT-5.3 Codex XHigh or GPT-5 Mini?

Both models offer a similar context window.

GPT-5.3 Codex XHigh vs GPT-5 Mini

GPT-5 Mini is cheaper on output tokens. Choose GPT-5.3 Codex XHigh or GPT-5 Mini based on the trade-off between cost, context, and the benchmarks that matter for your use case.

Spec	GPT-5.3 Codex XHigh	GPT-5 Mini
Provider	Abacus	Abacus
Input / 1M tokens	$1.75	$0.25
Output / 1M tokens	$14.00	$2.00
Context window	400K	400K
Parameters	—	—
Open weights	No	No
Released	Feb 2026	Aug 2025

GPT-5.3 Codex XHigh details →GPT-5 Mini details →

FAQ

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