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GLM 5.1

z-aiReleased Apr 2026Hugging Face ↗

z-ai/glm-5.1

About

GLM-5.1 delivers a major leap in coding capability, with particularly significant gains in handling long-horizon tasks. Unlike previous models built around minute-level interactions, GLM-5.1 can work independently and continuously on...

Context
202,752
Max output
128K
Tokenizer
Other
Knowledge cutoff
Input
text
Output
text

Pricing

per 1M tokens
Input
$1.40
Output
$4.40

Use this model

curl https://api.n4n.ai/v1/chat/completions \
  -H "Authorization: Bearer $N4N_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "z-ai/glm-5.1",
    "messages": [{"role": "user", "content": "Hello!"}]
  }'

Authenticate with an API key from your console; prices above are per 1M tokens.

Providers

max context 202,752
ProviderInput $/1MOutput $/1M
Wandb wandb$1.40$4.40
Yuwu yuwu$1.40$4.40

Supported parameters

frequency_penaltyinclude_reasoninglogit_biaslogprobsmax_tokensmin_ppresence_penaltyreasoningrepetition_penaltyresponse_formatseedstopstructured_outputstemperaturetool_choicetoolstop_ktop_logprobstop_p