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Glm-5.3-Flash — and what?

Pricing per million tokens, context window, capabilities — pulled from each provider's public docs. All 1 are available via the same AIgateway OpenAI-compatible endpoint; flip the model string to switch.

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Glm-5.3-Flash
zai-org/glm-5.3-flash
Provider
Zai-org
Family
Modality
text
Context window
1,310,720 tok
Max output
131,072 tok
Released
2026-08-26
License
Open-weight
Input price
$0.150 /1M
Output price
$0.500 /1M
Tools
yes
Streaming
yes
Vision
yes
JSON mode
yes
Reasoning
yes
Prompt caching
Batch API
Try it
Open in playground →
Glm-5.3-Flash
zai-org/glm-5.3-flash
Full spec →

The first natively multimodal model in the GLM-5 series. With 320B total parameters and just 18B active parameters, it outperforms GLM-5.2 across benchmarks and real-world workloads at one-tenth the price, while approaching Claude Opus 4.8 on coding and agentic benchmarks.

Strengths
  • General-purpose chat
  • Long context
  • Tool use
Use cases
ChatbotsContent generationAgentic workflows