Z.ai: GLM 5

GLM-5 is Z.ai’s flagship open-source foundation model engineered for complex systems design and long-horizon agent workflows.

Context
205K
Max output
131K
Input price
$1/1M tokens
Output price
$3.2/1M tokens

Capabilities

Reasoning & Interaction
Reasoning
Tool Calling
Output Control
Structured Output
JSON Mode

Details

Model IDz-ai/glm-5
Provider OpenRouter
Creator z-ai
Familyglm-5
License—
Status—
Typechat
Input modalitiestext
Output modalitiestext
Open weight—
Parameters—
Architecture—
Context window205K tokens
Max input—
Max output131K tokens
Reasoning tokens—
Knowledge cutoff—
Release date
Sourceofficial

Tools

Function Callingfunction_calling
Call external functions and APIs

Pricing

Input
$1
Output
$3.2
Cache write
—
Cache read
$0.2
Batch in
—
Batch out
—

Family Comparison: glm-5

ModelContextMax outPricing
Z.ai: GLM 5205K131K$1$3.2
Z.ai: GLM 5 Turbo203K131K$1.2$4
Z.ai: GLM 5V Turbo203K131K$1.2$4

API

GET/v1/models/openrouter/z-ai/glm-5

Z.ai: GLM 5

z-ai/glm-5

GLM-5 is Z.ai’s flagship open-source foundation model engineered for complex systems design and long-horizon agent workflows.

Changes · 16 entries
z-ai/glm-5updateca7a400Nov 2, 2026, 03:02 AM
context_window202752→204800
max_output_tokens16384→131072
pricinginput$0.6→$1output$1.92→$3.2cached input$0.12→$0.2
z-ai/glm-5update4e8b6afOct 21, 2026, 06:35 AM
max_output_tokens128000→131072
pricinginput$0.6→$1output$1.92→$3.2cached input$0.12→$0.2
z-ai/glm-5update42a9895Oct 20, 2026, 06:39 AM
max_output_tokens131072→128000
pricinginput$1→$0.6output$3.2→$1.92cached input$0.2→$0.12
z-ai/glm-5updateb92059eOct 15, 2026, 06:37 AM
max_output_tokens128000→131072
pricinginput$0.6→$1output$1.92→$3.2cached input$0.12→$0.2
z-ai/glm-5updatebe35184Aug 17, 2026, 04:02 AM
max_output_tokens131072→128000
pricinginput$0.95→$0.6output$2.55→$1.92cached input$0.2→$0.12
z-ai/glm-5updatebf78dcfJul 25, 2026, 05:49 AM
context_window202752→204800
max_output_tokens202752→131072
pricingoutput$3.15→$2.55cached input$0.19→$0.2
z-ai/glm-5update20c73acJul 17, 2026, 02:34 AM
max_output_tokens16384→202752
pricinginput$0.6→$0.95output$1.92→$3.15cached input$0.12→$0.19
z-ai/glm-5update19a79d1Jun 4, 2026, 07:15 AM
pricingoutput$2.08→$1.92
z-ai/glm-5updated657a45Jun 3, 2026, 03:19 AM
pricingoutput$1.92→$2.08
z-ai/glm-5update241c61aMay 7, 2026, 04:28 AM
pricingoutput$2.08→$1.92
z-ai/glm-5updatec8065d6Apr 25, 2026, 10:39 AM
max_output_tokens131072→16384
z-ai/glm-5update6a1e7e3Apr 24, 2026, 02:41 AM
pricinginput$0.65→$0.6cached input$0.13→$0.12
z-ai/glm-5update80802beApr 22, 2026, 02:56 PM
context_window80000→202752
pricinginput$0.72→$0.65output$2.3→$2.08cached input$0.13
z-ai/glm-5update1cd659eMar 24, 2026, 04:19 AM
capabilitiesjson modeyes
z-ai/glm-5update2b100acMar 23, 2026, 05:30 AM
familyglm-5
model_typechat
release_date2026-02-11
taglineGLM-5 is Z.ai’s flagship open-source foundation model eng...
tools["function_calling"]
z-ai/glm-5create7f5c66fMar 21, 2026, 05:16 AM