Model specification · Z.AI

GLM 5.3 Flash

z-ai/glm-5.3-flash

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...

SpecificationsReported values
Context window
1.0M
Maximum output
131K
Architecture
text+image+video->text
Tokenizer
Other
Knowledge cutoff
—
Moderated
No
Input modalities
textimagevideo
Output modalities
text
Full pricingUSD where reported
PriceStandard
Input$0.040 / M
Output$0.078 / M
Benchmark indexesReported indexes
Intelligence
27.8
Coding
71.5
Agentic
50.9
Design Arena Elo
1276
Example workload costsStandard pricing only
WorkloadInput / outputCache shareEstimated cost
Quick check10K / 1K × 10%$0.00048
Long analysis100K / 4K × 150%$0.00381
Workday20K / 2K × 1,00030%$0.895
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