glm-5.1 API price — 5 gateways compared

from $0.97 per million input tokens · 1.4× spread between gateways · updated hourly

Gateway	$ in /MTok	$ out /MTok	Context	Input price history	Model ID
OpenRouter fees	$0.97	$3.04	204,800		z-ai/glm-5.1
Glama	$0.97	$3.04	200,000	since 2026-08-20	zai/glm-5.1
Requesty	$1.05	$3.50	202,752	since 2026-08-20	deepinfra/zai-org/GLM-5.1
DeepInfra	$1.05	$3.50	202,752	since 2026-08-20	zai-org/GLM-5.1
Novita	$1.38	$4.40	204,800	since 2026-08-20	zai-org/glm-5.1

Fees beyond the token price

OpenRouter: No markup on token prices (provider pass-through), but credit purchases cost 5.5% via card ($0.80 minimum) or 5% via crypto; BYOK usage above the monthly allowance is charged 5%. source

The cheapest tracked gateway charges $0.97 per million input tokens and $3.04 per million output tokens (Glama). Prices refresh hourly.

Glama for input tokens and Glama for output tokens, among the 5 gateways we track.

Yes — the most expensive tracked gateway charges 1.4× the cheapest for input tokens. Identical model, identical tokens, different bill.