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Z.ai: GLM 5.3 Flash API Pricing
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...
How much does Z.ai: GLM 5.3 Flash cost for a real workload?
At 10M input + 2M output tokens per month, Z.ai: GLM 5.3 Flash costs about $0.653 ($0.413 input + $0.24 output). Try your own volumes in the cost calculator.
What are cheaper alternatives to Z.ai: GLM 5.3 Flash?
- Qwen: Qwen3.7 Flash — $0.03 in / $0.13 out per 1M
- Mistral: Ministral 3 8B 2512 (batch) — $0.075 in / $0.075 out per 1M
- OpenAI: gpt-oss-20b (batch) — $0.024 in / $0.112 out per 1M
- Mistral: Mistral Small 3 — $0.05 in / $0.08 out per 1M
- Meta: Llama 3.1 8B Instruct — $0.05 in / $0.08 out per 1M
- IBM: Granite 4.0 Micro — $0.017 in / $0.112 out per 1M
Compare Z.ai: GLM 5.3 Flash with other models
Z.ai: GLM 5.3 Flash vs Z.ai: GLM 5.3 Flash (batch)Z.ai: GLM 5.3 Flash vs Z.ai: GLM 4.7 FlashZ.ai: GLM 5.3 Flash vs Z.ai: GLM 4.5 AirZ.ai: GLM 5.3 Flash vs Z.ai: GLM 4.6VZ.ai: GLM 5.3 Flash vs Z.ai: GLM 5.3Z.ai: GLM 5.3 Flash vs Z.ai: GLM 5.3 FlashX
Frequently asked questions
How much does Z.ai: GLM 5.3 Flash cost?
Z.ai: GLM 5.3 Flash costs $0.0413 per 1M input tokens and $0.12 per 1M output tokens (list price, snapshot October 21, 2026). At 10M input + 2M output tokens per month that is about $0.653.
What is the context window of Z.ai: GLM 5.3 Flash?
Z.ai: GLM 5.3 Flash has a context window of 1,048,576 tokens and can return up to 943,718 output tokens per response.
What are cheaper alternatives to Z.ai: GLM 5.3 Flash?
Cheaper models include Qwen: Qwen3.7 Flash ($0.03 in / $0.13 out), Mistral: Ministral 3 8B 2512 (batch) ($0.075 in / $0.075 out), OpenAI: gpt-oss-20b (batch) ($0.024 in / $0.112 out). See the full list on this page.
Is Z.ai: GLM 5.3 Flash free to use?
No. Z.ai: GLM 5.3 Flash is a paid model at $0.0413 input / $0.12 output per 1M tokens. 20 free models are listed on the free models page.
Provider: z-ai · Model ID: z-ai/glm-5.3-flash · Modality: text+image+video->text · Price snapshot October 21, 2026, refreshed daily. How we collect prices