Claude Fable 5$22.000/MClaude Opus 5$11.000/MClaude Opus 4.8$11.000/MClaude Opus 4.7$11.000/MClaude Opus 4.6$11.000/MClaude Opus 4.5$33.000/MClaude Sonnet 3.7$6.600/MClaude Opus 3$33.000/MClaude 2.1$12.800/MClaude 2$12.800/MGPT-5.6 Sol$12.500/MGPT-5.6 Terra$5.000/MGPT-5.5$12.500/MGPT-5.2$5.425/MGPT-5.2-Codex$5.425/MGPT-5$3.875/MGPT-4.5$97.500/MGPT-4 Turbo Preview$16.000/MGPT-4$39.000/MGPT-4-32k$78.000/Mo3$19.000/Mo3-mini$2.090/Mo4-mini$2.090/Mo1$28.500/Mo1-mini$5.700/Mo1-preview$28.500/MGemini 3.5 Pro$5.000/MGemini 3.1 Pro$5.000/MGemini 3 Pro$5.000/MGemini 2.5 Pro$3.875/MClaude Fable 5$22.000/MClaude Opus 5$11.000/MClaude Opus 4.8$11.000/MClaude Opus 4.7$11.000/MClaude Opus 4.6$11.000/MClaude Opus 4.5$33.000/MClaude Sonnet 3.7$6.600/MClaude Opus 3$33.000/MClaude 2.1$12.800/MClaude 2$12.800/MGPT-5.6 Sol$12.500/MGPT-5.6 Terra$5.000/MGPT-5.5$12.500/MGPT-5.2$5.425/MGPT-5.2-Codex$5.425/MGPT-5$3.875/MGPT-4.5$97.500/MGPT-4 Turbo Preview$16.000/MGPT-4$39.000/MGPT-4-32k$78.000/Mo3$19.000/Mo3-mini$2.090/Mo4-mini$2.090/Mo1$28.500/Mo1-mini$5.700/Mo1-preview$28.500/MGemini 3.5 Pro$5.000/MGemini 3.1 Pro$5.000/MGemini 3 Pro$5.000/MGemini 2.5 Pro$3.875/M
MultimodalAUTO PROFILELIVE INDEX

Z.ai: GLM 5.3 Flash

text+image+video->text

Z.ai: GLM 5.3 Flash is a compact variant — chosen for high throughput and low cost rather than absolute capability. Available via z-ai. 1,310,720-token context. Budget pricing.

Z.ai: GLM 5.3 Flash is a multimodal AI model from z-ai. It costs $0.075 per million input tokens and $0.250 per million output tokens (blended $0.128/M), with a 1,310,720-token context window.

INPUT
$0.075/M
per million input tokens
OUTPUT
$0.250/M
per million output tokens
BLENDED 70/30
$0.128/M
unchanged since 3 May
CONTEXT
1,310,720
tokens
What it is good at
  • Sub-second latency
  • Affordable at scale
  • Good for routing & classification
  • Multimodal: handles images alongside text
Typical use cases
  • Routing & classification
  • Bulk summarisation
  • Realtime chat UX

Benchmarks

No published benchmark scores tracked for this model yet. Frontier and reasoning models from major providers have scores; smaller models and inference-host variants typically inherit the underlying open-weights score.

More from z-ai

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Frequently asked questions

How much does Z.ai: GLM 5.3 Flash cost?

Z.ai: GLM 5.3 Flash costs $0.075 per million input tokens and $0.250 per million output tokens, for a blended reference rate of $0.128 per million tokens.

What is Z.ai: GLM 5.3 Flash's context window?

Z.ai: GLM 5.3 Flash supports up to 1,310,720 tokens of context in a single request.

What is Z.ai: GLM 5.3 Flash best for?

Z.ai: GLM 5.3 Flash is well suited to Sub-second latency, Affordable at scale and Good for routing & classification.

Who makes Z.ai: GLM 5.3 Flash?

Z.ai: GLM 5.3 Flash is developed and served by z-ai.

Terms used on this page