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Z.aiTextUncommon

GLM-5.1

Strong GLM coding model for agentic engineering, terminals, and repository generation

glm-5.1
Type
Text
Quality
79 · Top 21% on the Epoch Capabilities Index
Context window
200,000 tokens
Max output
131,072 tokens
Input price
$1.40 / 1M tokens
Output price
$4.40 / 1M tokens
Cache read
$0.26 / 1M tokens
Cache write
Free
Parameters
754B (753,864,139,008)
Downloads
550K in the last 30 days
Likes
1.8K
Access to weights
Open download
Released
Apr 7, 2026
Knowledge cutoff
—
Takes in
Text
Puts out
Text
Reasoning
Yes
Tool calling
Yes
Structured output
Yes
File attachments
No
Access
Open weights
License
MIT
Rarity
Uncommon
Set number
859/1040
Open Z.ai docsWeights on Hugging FaceQuality 79Where to run it 57Evolution 5/7Race it 67 tok/sMeet its creatureBattle Seed Evolving

License read from the model’s Hugging Face card. Specs from models.dev, downloads from Hugging Face, last changed Oct 18, 2026. Official source: docs.z.ai.

How good is it?

Public leaderboard scores for GLM-5.1, refreshed daily from Epoch AI and LMArena.

Top 21% of the 277 models on the Epoch Capabilities Index: #58.

Quality is the share of a leaderboard’s models this one beats, from 0 to 100. Chat models are rated on Epoch AI’s Capabilities Index when it lists them, otherwise on LMArena; image and video models on LMArena’s image and video arenas.

Leaderboards

Benchmarks Epoch AI runs

Scores from Epoch AI and LMArena, licensed CC BY 4.0. Boards list models under their own names, so a close match is shown with the name it was scored under. Credits

Where to run it

54 providers sell GLM-5.1 through an API, and 3 Hugging Face hosts serve it. Prices are per million tokens, cheapest first.

API providers

ProviderInputOutputContext
Alibaba Token PlanFreeglm-5.1FreeFree203K
Alibaba Token Plan (China)Freeglm-5.1FreeFree203K
KenariFreeglm-5-1FreeFree200K
SCNet Token PlanFreeGLM-5.1FreeFree200K
CrofAICheapest paidglm-5.1$0.45$2.15203K
HPC-AIzai-org/glm-5.1$0.61$2.46202K
NanoGPTTEE/glm-5.1$0.70$2.50203K
DevPass (LLM Gateway)glm-5.1$0.93$2.93205K
LLM Gatewayembercloud/glm-5.1$0.93$2.93203K
OpenRouterz-ai/glm-5.1$0.97$3.04205K
Show 44 more providers
ProviderInputOutputContext
GMI Cloudzai-org/GLM-5.1-FP8$0.98$3.08203K
Pioneerzai-org/GLM-5.1$0.98$3.08202K
Ollama Cloudglm-5.1$1.00$3.20203K
WaferGLM-5.1$1.00$3.20203K
Alibaba (China)glm-5.1$0.82$3.30203K
EmpirioLabs AIglm-5-1$0.82$3.30202K
AIHubMixalicloud-glm-5.1$0.84$3.38200K
EBCloudGLM-5.1$0.86$3.43200K
Deep Infrazai-org/GLM-5.1$1.05$3.50203K
FastRouterz-ai/glm-5.1$1.05$3.50200K
ZenMuxz-ai/glm-5.1$0.88$3.51200K
SiliconFlowzai-org/GLM-5.1$1.19$3.74205K
CrossModelz-ai/glm-5.1$1.00$3.80200K
DInferenceglm-5.1$1.25$3.89200K
Basetenzai-org/GLM-5.1$1.30$4.30203K
DigitalOceanglm-5.1$1.30$4.30164K
Cortecsglm-5.1$1.38$4.35203K
Crusoezai/GLM-5.1$1.20$4.40200K
Jalapeno CloudGLM-5.1$1.38$4.40203K
Novita AIzai-org/glm-5.1$1.38$4.40205K
302.AIglm-5.1$1.40$4.40200K
Abacuszai-org/GLM-5.1$1.40$4.40205K
Ambientzai-org/GLM-5.1-FP8$1.40$4.40203K
Aurikoglm-5.1$1.40$4.40200K
Eden AIzai/glm-5.1$1.40$4.40203K
Friendlizai-org/GLM-5.1$1.40$4.40203K
Impossiblzai/glm-5.1$1.40$4.40200K
Kilo Gatewayz-ai/glm-5.1$1.40$4.40200K
Merge Gatewayzai/glm-5.1$1.40$4.40200K
Ofoxz-ai/glm-5.1$1.40$4.40200K
OpenCodeglm-5.1$1.40$4.40205K
OrcaRouterz-ai/glm-5.1$1.40$4.40200K
Requestyglm-5.1$1.40$4.40200K
SiliconFlow (China)Pro/zai-org/GLM-5.1$1.40$4.40205K
Tempr Gatewayzai/glm-5.1$1.40$4.40200K
TensorXz-ai/glm-5.1$1.40$4.40203K
Together AIzai-org/GLM-5.1$1.40$4.40203K
TokenGoz-ai/glm-5.1$1.40$4.40200K
Vercel AI Gatewayzai/glm-5.1$1.40$4.40203K
Z.AIOfficialglm-5.1$1.40$4.40200K
Zhipu AIglm-5.1$1.40$4.40200K
Meliousglm-5.1$1.51$4.64203K
Venice AIzai-org-glm-5-1$1.54$4.84200K
GreenPTglm-5.1$1.76$5.52200K

Hugging Face Inference Providers

HostInputOutputContextSpeedFirst token
DeepInfraFastestTools$1.05$3.50203K67 tok/s0.5s
Featherless—————
Z.aiTools———26 tok/s3.9s

From models.dev and Hugging Face, checked daily. Resellers’ listings can lag behind their price pages, so confirm with the provider before you commit.

Face off

Current text models from other labs at a similar output price.

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