Z.ai: GLM 5.3 Flash

z-ai/glm-5.3-flash
Compare Open in Chat

GLM-5.3-Flash is a native multimodal model from Z.ai. It is suited for efficient coding and long-horizon agent tasks. Its hybrid sparse and linear attention architecture maintains accurate long-context behavior while...

Modalities
Text + Image + Video → Text
Input / Output Price$0.0088 / $0.0355From · per 1M tokens · see provider prices
Context1.05Mtokens · maximum across providers
ReleasedAug 26, 2026Public catalog metadata
Availability & data sources Listed in CLSSAI · 40 reference endpoints
CLSSAI API · Directory listedCatalog preview · Exact metadata
ACCESS

Where this model works

Catalog preview and CLSSAI API routing are independent decisions with separate sources.

Catalog previewTestable in Playground
Testable

Exact capability metadata is available. CLSSAI can prepare the Image understanding request without guessing the model contract.

Evidence
Exact ID z-ai/glm-5.3-flash · /chat/completions
Mapped mode
Image understanding
CLSSAI APICallable through CLSSAI API
Callable

The exact model ID is listed in the current CLSSAI public directory. This proves current route eligibility, not a completed inference for every mode.

Evidence
Exact ID z-ai/glm-5.3-flash is directory-listed
Vision test status

The request contract and frontend path are ready. A real recorded output has not yet been captured for this exact model and mode.

Request contract
Build verified
/chat/completions · Schema tests · 2026-08-05
Frontend path
Available
Vision form · 2026-08-05
Real model output
Not yet verified
No keyed smoke-test record

Providers

Compare published prices and endpoint capabilities. Select a provider for context limits, caching prices and supported parameters.

40 providers
$0.0088$0.182$0.0088----100.00%
$0.017$0.036$0.016----100.00%
$0.042$0.3$0.018----100.00%
$0.044$0.2$0.043----100.00%
$0.054$0.2$0.053----100.00%
$0.065$0.18$0.012------
$0.075$0.25$0.015----100.00%
$0.08$0.5$0.012----100.00%
$0.084$0.28$0.017----100.00%
$0.089$0.295$0.018----100.00%
$0.1$0.5$0.03----100.00%
$0.108$0.35$0.032----100.00%
$0.108$0.35$0.032----100.00%
$0.112$0.375$0.023----100.00%
$0.112$0.375$0.03----100.00%
$0.12$0.3$0.03----100.00%
$0.12$0.38$0.02----100.00%
$0.14$0.47$0.024----100.00%
$0.15$0.5$0.03----100.00%
$0.15$0.5$0.03----100.00%
$0.15$0.5$0.03----100.00%
$0.15$0.5$0.03----100.00%
$0.15$0.5$0.03----100.00%
$0.15$0.5$0.03------
$0.15$0.5$0.03----100.00%
$0.15$0.5$0.03------
$0.15$0.5$0.03----100.00%
$0.15$0.5$0.03----100.00%
$0.15$0.5$0.03----100.00%
$0.15$0.5$0.03----100.00%
$0.15$0.5$0.03----100.00%
$0.15$0.5$0.03----100.00%
$0.15$0.5$0.03----100.00%
$0.15$0.5$0.03----100.00%
$0.15$0.5$0.03----100.00%
$0.15$0.5$0.03----100.00%
$0.19$0.6$0.06----100.00%
$0.225$0.75$0.045----100.00%
$0.225$0.75$0.045----100.00%
$0.35$1.25$0.045----100.00%

USD per 1M tokens. Prices and metrics describe catalog endpoints, not CLSSAI routing. “--” means no measurement was supplied. Uptime: last 30 minutes.

Pricing

Published base rates across providers, in USD per 1M tokens. Actual cost depends on the provider, caching and prompt length.

Input / 1M tokens$0.0088 – $0.35
Output / 1M tokens$0.036 – $1.25
Cache read / 1M tokens$0.0088 – $0.06

Effective Pricing: request-weighted costs and historical prices are not supplied by the public source.

Performance

Latency and throughput history are not supplied by the public endpoint API. Check the catalog for its latest performance charts.

Uptime

Successful requests in the last 30 minutes, as reported by the catalog. A snapshot does not show historical reliability.

Relace Fp4100.00%
OpenInference Fp4100.00%
Morph Fp8100.00%
Wafer (US)100.00%
Wafer Nvfp4100.00%
GMICloud Fp8100.00%
Near AI Fp8100.00%
Novita Fp8100.00%
StreamLake Fp8100.00%
Particle AI Nvfp4100.00%
InferenceNet (US)100.00%
InferenceNet Fp4100.00%
Phala Nvfp4100.00%
DigitalOcean100.00%
Reka100.00%
CoreWeave Nvfp4100.00%
Makora100.00%
Mistral100.00%
Cohere100.00%
PrimeIntellect100.00%
Nebius Fp4100.00%
Modal Fp4100.00%
Crusoe Fp4100.00%
NextBit Fp4100.00%
Fireworks100.00%
Friendli100.00%
SiliconFlow Fp8100.00%
Together100.00%
Parasail Fp4100.00%
BaseTen Fp8100.00%
Venice100.00%
DeepInfra Fp4100.00%
Z.AI Fp8100.00%
Inceptron Fp8100.00%
Fireworks (US)100.00%
Sail Research (US)100.00%
Sail Research Fp4100.00%

Benchmarks

No scored evaluations are included in the public model metadata. View the source for benchmarks and their methodology.

Apps

Application rankings require verified traffic data, which is not included in this source.

Activity

Historical token and request volumes are not supplied by the public API. The catalog shows activity on its own network.

Frequently asked questions

Provider availability, context limits and API capabilities.

Which providers serve Z.ai: GLM 5.3 Flash?

Relace Fp4, OpenInference Fp4, Morph Fp8, Wafer (US), Wafer Nvfp4, Darkbloom Fp4, GMICloud Fp8, Near AI Fp8, Novita Fp8, StreamLake Fp8, Particle AI Nvfp4, InferenceNet (US), InferenceNet Fp4, Phala Nvfp4, DigitalOcean, Reka, CoreWeave Nvfp4, Makora, Mistral, Cohere, PrimeIntellect, Nebius Fp4, Modal Fp4, BaseTen Fp8 (US), Crusoe Fp4, AtlasCloud Fp8, NextBit Fp4, Fireworks, Friendli, SiliconFlow Fp8, Together, Parasail Fp4, BaseTen Fp8, Venice, DeepInfra Fp4, Z.AI Fp8, Inceptron Fp8, Fireworks (US), Sail Research (US), Sail Research Fp4 are listed in the public reference data. Check CLSSAI availability above before making a request.

What context length is available for Z.ai: GLM 5.3 Flash?

The largest available context window is 1,048,576 tokens.

Which API parameters does Z.ai: GLM 5.3 Flash support?

The providers list 21 distinct supported parameters. Open an endpoint row to inspect them.

Explore

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