GLM-5 Turbo

GLM-5 Turbo is a fast-inference member of Z.AI's GLM-5 family, tuned for agent-driven environments such as OpenClaw.

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input · usd / 1m tok

$1.20

output · usd / 1m tok

$4.00

context window

200ktokens

modalities · in → out

pricing

base api ratesusd per 1m tokens

input: $1.20
output: $4.00
cache read: $0.24

providers

Z.AI hosts GLM-5 Turbo. Impossibl routes your request intelligently and handles failover automatically when a provider is down.

Z.AI

specifications

takes text in, gives text outzai/glm-5-turbo

creatorZ.AI
model typeText generation
context window200,000 tokens
maximum outputnot published
input
takes text in, gives text out
outputtext
tool callingnot verified
releasedmar 15, 2026
endpoint/v1/chat/completions

unknown means the public catalog does not establish that fact. a model's documented capabilities can differ from what a particular api supports. see the model documentation for integration details.

try it · your prompt, this model, live

# responses API
import os
from openai import OpenAI

client = OpenAI(
    api_key=os.environ["IMPOSSIBL_API_KEY"],
    base_url="https://api.impossibl.com/v1",
)

resp = client.responses.create(
    model="zai/glm-5-turbo",
    input="▌",
)
print(resp.output_text)

edit the prompt, then run

# responses API
import os
from openai import OpenAI

client = OpenAI(
    api_key=os.environ["IMPOSSIBL_API_KEY"],
    base_url="https://api.impossibl.com/v1",
)

resp = client.responses.create(
    model="zai/glm-5-turbo",
    input="▌",
)
print(resp.output_text)

edit the prompt, then run

benchmarks

intelligence index

26.6#52 of 108 models on the gateway

omniscience-16.4#59 of 84
gpqa84.7%#44 of 80
humanity’s last exam27.8%#51 of 87

Tau298.5%
GPQA84.7%
IFBench73.2%
AA-LCR71.7%
Terminal-Bench Hard33.3%
Humanity’s Last Exam27.8%
CritPt0.3%

Intelligence Index26.60
Omniscience Index-16.37
intelligence index (API)26.6

view source ↗all source data and breakdowns (json) ↗

each configuration is listed separately; these evaluations describe the tested model configuration, and performance and costs can differ on impossibl. unmeasured scores are omitted and api values keep their source units. last checked 2026-10-14.

compare GLM-5 Turbo with other models

frontier labs and open weights, best-ranked firstusd / 1m tok · in / out

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xiaomi/mimo-v2.6-pro$0.435 / $0.87compare →

impossibl models --all →

frequently asked questions

What is GLM-5 Turbo?

GLM-5 Turbo is a fast-inference member of Z.AI's GLM-5 family, tuned for agent-driven environments such as OpenClaw. It is deeply optimized for real-world agent workflows where response speed matters, and Z.AI bundles it in its GLM Coding Plan alongside GLM-5.3 and GLM-5.2.

How much does GLM-5 Turbo cost?

GLM-5 Turbo costs $1.20 per million input tokens and $4.00 per million output tokens through the Impossibl API. Cache reads cost $0.24 per million tokens. All rates are in USD.

view the pricing table ↑

What is the context length of GLM-5 Turbo?

GLM-5 Turbo has a 200,000-token context window through the Impossibl API.

What inputs and outputs does GLM-5 Turbo support?

GLM-5 Turbo accepts text as input. GLM-5 Turbo returns text.

How do I use GLM-5 Turbo through an API?

GLM-5 Turbo is available through the Impossibl API. Use zai/glm-5-turbo as the model identifier with /v1/chat/completions. The quickstart explains how to create an API key and send your first request.

follow the api quickstart →

When was GLM-5 Turbo released?

Z.AI released GLM-5 Turbo on March 15, 2026.

Creator release announcement ↗

this page describes GLM-5 Turbo as listed by the impossibl public api. prices and availability come from that catalog, refreshed here every five minutes. this is an impossibl offering, not a comparison of independent hosting-provider quotes. model descriptions and release dates, where available, use the creator sources linked under the answers above.

view the source catalog ↗model as markdown ↗report a correction →