Does GLM 5.1 support zero data retention?

Not self-serve on Pay-as-you-go. Zero data retention for GLM 5.1 is available on request via Opper Enterprise — contact hello@opper.ai.

Where is GLM 5.1 hosted?

GLM 5.1 runs on both EU and US hosting routes through the Opper gateway. Pick the route that matches your residency requirement.

Is GLM 5.1 trained on prompts and outputs?

No. Every hosting route for GLM 5.1 is configured so customer prompts and outputs are not used to train models by default.

Is a GDPR DPA available for GLM 5.1?

Yes. A GDPR Data Processing Agreement is available on at least one route serving GLM 5.1. Contact hello@opper.ai to receive it.

GLM 5.1

by Zhipu

Z.ai GLM 5.1 on DeepInfra with extended agentic reasoning

Try in chat Open in playground Compare

Key info

Input

Output

Features

Context window

203K

Max output

203K

Input price

$1.05 /1M

Output price

$3.50 /1M

EU residency available
US residency available
Zero data retention via Enterprise
No training by default
GDPR DPA available

Benchmarks

Independent benchmark scores — composite indices for reasoning, coding, and math, plus individual eval scores where available.

Global rank#21 of 518 LLMs

TierFrontier

Output speed59 tok/s

First token0.82s

Intelligence Index51.4

Coding Index43.4

GPQA Diamond

87%

Humanity's Last Exam

28%

SciCode

44%

IFBench

76%

Long-context reasoning

62%

Terminal-Bench Hard

43%

τ²-Bench Telecom

98%

See full leaderboard →Benchmarks via Artificial Analysis · View on AA

Available routes

GLM 5.1 runs on 4 different routes through the Opper gateway. Compare residency, ZDR, and training posture at a glance — full data-handling detail per route below.

Provider	Region	Zero data retention	Training	Input	Output
DeepInfra	US	Enterprise	No	$1.05	$3.50
Fireworks	US	Enterprise	No	$1.40	$4.40
Nebius	EU	Enterprise	No	$1.40	$4.40
Novita	US	Enterprise	No	$1.38	$4.40

Training posture across routes: No training on prompts by default.

Data handling per route

Each route hosting GLM 5.1 has its own privacy posture, residency, and GDPR terms. Postures are maintained by Opper with a last-verification timestamp.