Is Claude Opus 4.8 (EU) or GPT-5.2-Codex cheaper?

GPT-5.2-Codex is cheaper on output tokens ($14.00 vs $27.50 per 1M).

Which has the larger context window, Claude Opus 4.8 (EU) or GPT-5.2-Codex?

Claude Opus 4.8 (EU) has the larger context window (1M tokens).

Claude Opus 4.8 (EU) vs GPT-5.2-Codex

GPT-5.2-Codex is cheaper on output tokens, while Claude Opus 4.8 (EU) offers a larger context window. Choose Claude Opus 4.8 (EU) or GPT-5.2-Codex based on the trade-off between cost, context, and the benchmarks that matter for your use case.

Spec	Claude Opus 4.8 (EU)	GPT-5.2-Codex
Provider	Requesty	Requesty
Input / 1M tokens	$5.50	$1.75
Output / 1M tokens	$27.50	$14.00
Context window	1M	400K
Parameters	—	—
Open weights	No	No
Released	May 2026	Jan 2026

Claude Opus 4.8 (EU) details →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.