GLM-5.3 FlashX API pricing
Z.ai model
Short answer
GLM-5.3 FlashX by Z.ai costs $0.37 per 1M input tokens and $1.25 per 1M output tokens, with a 1M token context window.
Prices updated Oct 23, 2026 (APIpulse, CC BY 4.0) · Benchmarks: ARC Prize, Vals.ai · all models
Input$0.37 / 1M
Output$1.25 / 1M
Context1M
Blended (3:1)$0.59 / 1M
API cost calculator
Enter your monthly usage in millions of tokens (1M tokens ≈ 750,000 words).
GLM-5.3 FlashX$6.20 / month$74.40 / year
Standard rates; batch processing and prompt caching can lower the bill.
Benchmarks
ARC-AGI-2 (reasoning)—
SWE-bench Verified (coding)—
Other Z.ai models
| Model | Input / 1M | Output / 1M |
|---|---|---|
| GLM-5.3 Flash | $0.15 | $0.50 |
Frequently asked questions
How much does the GLM-5.3 FlashX API cost?
GLM-5.3 FlashX costs $0.37 per 1M input tokens and $1.25 per 1M output tokens. A workload of 10M input and 2M output tokens a month costs $6.20.
What is the context window of GLM-5.3 FlashX?
GLM-5.3 FlashX supports a 1M token context window.