Is Claude Opus 4.6 or GPT-5.1 Codex Max cheaper?

GPT-5.1 Codex Max is cheaper on output tokens ($10.00 vs $25.00 per 1M).

Which has the larger context window, Claude Opus 4.6 or GPT-5.1 Codex Max?

Claude Opus 4.6 has the larger context window (1M tokens).

Claude Opus 4.6 vs GPT-5.1 Codex Max

GPT-5.1 Codex Max is cheaper on output tokens, while Claude Opus 4.6 offers a larger context window. Choose Claude Opus 4.6 or GPT-5.1 Codex Max based on the trade-off between cost, context, and the benchmarks that matter for your use case.

Spec	Claude Opus 4.6	GPT-5.1 Codex Max
Provider	DigitalOcean	DigitalOcean
Input / 1M tokens	$5.00	$1.25
Output / 1M tokens	$25.00	$10.00
Context window	1M	400K
Parameters	—	—
Open weights	No	No
Released	Feb 2026	Nov 2025

Claude Opus 4.6 details →GPT-5.1 Codex Max details →

FAQ

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