Z.ai · 2026-08-26
GLM 5.3 Flash pricing
GLM-5.3-Flash is a native multimodal model from Z.ai. It is suited for efficient coding and long-horizon agent tasks.
Prices from OpenRouter’s models API, updated October 29, 2026
What GLM 5.3 Flash costs a month
| Workload | Standard | Batch API |
|---|---|---|
| Support chatbot: 1,000 chats a day, 1,500 tokens in, 400 out | $2.95 | $4.41 |
| Daily summaries: 10,000 a day, 3,000 tokens in, 300 out | $47.81 | $61.20 |
| Coding agent: 400 calls a day, 60,000 tokens in (80% cached), 2,000 out | $25.64 | $28.80 |
30 days. Cached input billed at the cache-read price. Use your own numbers.
Other GLM models
| Model | Input /1M | Output /1M | Cache read /1M | Context | Chatbot, per month* |
|---|---|---|---|---|---|
| GLM 5.3 Prime | $2.80 | $8.80 | $0.56 | 1M | $232 |
| GLM 5.3 FlashX | $0.37 | $1.25 | $0.09 | 1.05M | $31.65 |
| GLM 5.3 | $0.07 | $1.40 | $0.069 | 1.05M | $19.95 |
| GLM 5.2 | $0.006 | $7 | $0.005 | 1.05M | $84.27 |
| GLM 5.1 | $1.40 | $4.40 | $0.26 | 205K | $116 |
| GLM 5V Turbo | $1.20 | $4 | $0.24 | 203K | $102 |
* Support chatbot: 1,000 chats a day, 1,500 tokens in, 400 out, 30 days, no caching. Prices in US dollars per 1M tokens.
Related
GLM 5.3 Flash: questions
How much does GLM 5.3 Flash cost?
$0.046 per 1M input tokens and $0.074 per 1M output tokens, with cached input at $0.03, or $0.05 / $0.18 through the batch API. A 1,000-token prompt with a 500-token answer costs about $0.0001.
What is GLM 5.3 Flash’s context window?
1,048,576 tokens, with up to 131,072 output tokens per response.
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