Z.ai: GLM 5.1

Z.AI

zai/glm-5.1

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

205K

Input /1M

$1.40

Output /1M

$4.40

Latency (TTFT)

7,649ms

Pricing

Per 1M tokens, in USD

Input$1.40

Output$4.40

Cache read$0.26

Specs

text intext out

TokenizerOther

Max output tokens128,000

Supported parameters

frequency_penaltyinclude_reasoninglogit_biaslogprobsmax_tokensmin_ppresence_penaltyreasoningrepetition_penaltyresponse_formatseedstopstructured_outputstemperaturetool_choicetoolstop_ktop_logprobstop_p

Where it ranks on price

Against 157 routable models

Input$1.40

Cheaper than 28% of routable models

Output$4.40

Cheaper than 31% of routable models

Benchmarks

No third-party benchmark data available for this model yet.

Call this model

Swap in your Mizan key — the request/response bodies are OpenAI chat-completion shaped.

cURL

curl https://api.app-mizan.com/v1/chat/completions \
  -H "Authorization: Bearer mizan_rt_..." \
  -H "Content-Type: application/json" \
  -d '{
    "model": "zai/glm-5.1",
    "messages": [{ "role": "user", "content": "Say hi in five words." }]
  }'

Models

Z.ai: GLM 5.1

Z.AI

zai/glm-5.1

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

205K

Input /1M

$1.40

Output /1M

$4.40

Latency (TTFT)

7,649ms

Pricing

Per 1M tokens, in USD

Input$1.40

Output$4.40

Cache read$0.26

Specs

text intext out

TokenizerOther

Max output tokens128,000

Supported parameters

frequency_penaltyinclude_reasoninglogit_biaslogprobsmax_tokensmin_ppresence_penaltyreasoningrepetition_penaltyresponse_formatseedstopstructured_outputstemperaturetool_choicetoolstop_ktop_logprobstop_p

Where it ranks on price

Against 157 routable models

Input$1.40

Cheaper than 28% of routable models

Output$4.40

Cheaper than 31% of routable models

Benchmarks

No third-party benchmark data available for this model yet.

Call this model

Swap in your Mizan key — the request/response bodies are OpenAI chat-completion shaped.

cURL

curl https://api.app-mizan.com/v1/chat/completions \
  -H "Authorization: Bearer mizan_rt_..." \
  -H "Content-Type: application/json" \
  -d '{
    "model": "zai/glm-5.1",
    "messages": [{ "role": "user", "content": "Say hi in five words." }]
  }'