<- All Models

GLM-5.1

Z.ai flagship (744B MoE, 40B activated). Post-training upgrade over GLM-5 with stronger coding and long-horizon task autonomy. 200K context, thinking mode.

205K context·$1.40 in·$4.40 out·Apr 2026 release·Reasoning, Tools / functions

Providers

Where GLM-5.1 runs in Big-AGI, with each service's own model ID and USD-per-1M-token rates. The summary above prefers the creator's claim; rates below are each service's own.

ServiceModel IDContextInputOutputCache read

Z.ai

creator

glm-5.1

205K

$1.40

$4.40

$0.26

z-ai/glm-5.1

205K

$0.97

$3.04

$0.18

Together AI

delisted

zai-org/GLM-5.1

203K

$1.40

$4.40

$0.26

glm-5.1

203K

$1.40

$4.40

$0.28

Specs as reported by each service · usage over the last 2 days · refreshed hourly

Run GLM-5.1 in Big-AGI.

Connect your own key on any of the services above, at their rates, no markup - and run it side by side with every other model.

Launch Big-AGI

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