Home › Compare › Z.ai: GLM 5.3 vs Z.ai: GLM 5.3 Flash (batch)

Z.ai: GLM 5.3 vs Z.ai: GLM 5.3 Flash (batch): API Pricing Compared

Comparing Z.ai: GLM 5.3 and Z.ai: GLM 5.3 Flash (batch): on combined input+output list price, Z.ai: GLM 5.3 Flash (batch) is cheaper at $0.23 vs $2.9 per 1M tokens — a difference of $2.67 (92%). Z.ai: GLM 5.3 costs $0.7 in / $2.2 out with a 1,048,576-token context; Z.ai: GLM 5.3 Flash (batch) costs $0.05 in / $0.18 out with a 1,048,576-token context.
Z.ai: GLM 5.3Z.ai: GLM 5.3 Flash (batch)
Input /1M$0.7$0.05
Output /1M$2.2$0.18
Cached input /1M$0.13$0.01
Context window1,048,5761,048,576
Max output tokens262,144131,072
Cost @ 10M in + 2M out / mo$11.4$0.86

Estimate your own workload in the cost calculator, or open the full pages for Z.ai: GLM 5.3 and Z.ai: GLM 5.3 Flash (batch).

Frequently asked questions

Which is cheaper, Z.ai: GLM 5.3 or Z.ai: GLM 5.3 Flash (batch)?

Z.ai: GLM 5.3 Flash (batch) is cheaper on combined list price: $0.23 vs $2.9 per 1M tokens (input + output). At 10M input + 2M output tokens per month, Z.ai: GLM 5.3 costs $11.4 and Z.ai: GLM 5.3 Flash (batch) costs $0.86.

Which has the larger context window, Z.ai: GLM 5.3 or Z.ai: GLM 5.3 Flash (batch)?

Z.ai: GLM 5.3 has a context window of 1,048,576 tokens; Z.ai: GLM 5.3 Flash (batch) has 1,048,576 tokens. The larger one is Z.ai: GLM 5.3.

Price snapshot October 22, 2026, refreshed daily.