Is GLM 5 or GPT-5.1 Codex Max cheaper?

GLM 5 is cheaper on output tokens ($3.20 vs $10.00 per 1M).

Which has the larger context window, GLM 5 or GPT-5.1 Codex Max?

GPT-5.1 Codex Max has the larger context window (400K tokens).

GLM 5 vs GPT-5.1 Codex Max

GLM 5 is cheaper on output tokens, while GPT-5.1 Codex Max offers a larger context window. Choose GLM 5 or GPT-5.1 Codex Max based on the trade-off between cost, context, and the benchmarks that matter for your use case.

Spec	GLM 5	GPT-5.1 Codex Max
Provider	DigitalOcean	DigitalOcean
Input / 1M tokens	$1.00	$1.25
Output / 1M tokens	$3.20	$10.00
Context window	203K	400K
Parameters	744B	—
Open weights	Yes	No
Released	Feb 2026	Nov 2025

GLM 5 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.