GLM 5.1

by Z.ai

Zhipu AI GLM-5.1 (744B params) for long-horizon tasks with 128K max output, served EU-resident from Frankfurt (eu-central-1)

Key info

Input
Output
Features
Context window
203K
Max output
131K
Input price
$0.82 /1M
Output price
$3.30 /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#24 of 529 LLMs
TierFrontier
Output speed71 tok/s
First token0.90s
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%

Available routes

GLM 5.1 runs on 5 different routes through the Opper gateway. Compare residency, ZDR, and training posture at a glance — full data-handling detail per route below.

ProviderRegionZero data retentionTrainingInputOutput
Alibaba CloudEUEnterpriseNo$0.82$3.30
DeepInfraUSEnterpriseNo$1.05$3.50
FireworksUSEnterpriseNo$1.40$4.40
NebiusEUEnterpriseNo$1.40$4.40
NovitaUSEnterpriseNo$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.

Alibaba Cloud Germany🇩🇪

Zero data retention is available via Opper Enterprise contract. No training on customer data. EU; DPA available.

Zero data retention
Available via Opper Enterprise contract.
Training
No training on customer data.
Logging
Abuse monitoring
Third-party access
None disclosed
GDPR DPA
DPA available
Transfer mechanism
Not applicable — data stays in EU

DeepInfra United States🇺🇸

Zero data retention is available via Opper Enterprise contract. No training on customer data. US; unknown.

Zero data retention
Available via Opper Enterprise contract.
Training
No training on customer data.
Logging
Limited debug logs
Third-party access
None disclosed
GDPR DPA
No DPA
Transfer mechanism
unknown

Fireworks United States🇺🇸

Zero data retention is available via Opper Enterprise contract. No training on customer data. US; SCCs; DPA available.

Zero data retention
Available via Opper Enterprise contract.
Training
No training on customer data.
Logging
None
Third-party access
None disclosed
GDPR DPA
DPA available
Transfer mechanism
SCCs

Nebius Finland🇫🇮

Zero data retention is available via Opper Enterprise contract. No training on customer data. EU; DPA available.

Zero data retention
Available via Opper Enterprise contract.
Training
No training on customer data.
Logging
Abuse monitoring
Third-party access
None disclosed
GDPR DPA
DPA available
Transfer mechanism
Not applicable — data stays in EU

Novita United States🇺🇸

Zero data retention is available via Opper Enterprise contract. No training on customer data. US; SCCs; DPA available.

Zero data retention
Available via Opper Enterprise contract.
Training
No training on customer data.
Logging
Abuse monitoring
Third-party access
None disclosed
GDPR DPA
DPA available
Transfer mechanism
SCCs

Compare GLM 5.1 with…

Side-by-side on privacy, EU hosting, pricing, and benchmarks.

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GLM 5.1 by Z.ai — pricing, benchmarks, EU/US hosting | Opper AI