Z-ai model
GLM 5.3 FlashX API cost calculator
GLM 5.3 FlashX costs $0.37 per 1M input tokens and $1.25 per 1M output tokens on the Z-ai API, with a 1.0M-token context window. A typical request (2K input, 500 output tokens) costs $0.0014 — about $40.95/month at 1,000 requests per day. Use the calculator below to model your exact workload.
Find me a cheaper modelWhat real workloads cost on GLM 5.3 FlashX
| Workload | Tokens (in / out) | Per request | Per 1K requests |
|---|---|---|---|
| Chatbot message | 500 / 300 | $0.0006 | $0.56 |
| RAG query with context | 4,000 / 500 | $0.0021 | $2.10 |
| Document summarization | 20,000 / 1,000 | $0.0086 | $8.65 |
| Agent coding session | 100,000 / 5,000 | $0.04 | $43.25 |
GLM 5.3 FlashX vs other Z-ai models
| Model | Input /1M | Output /1M | Context |
|---|---|---|---|
| GLM 5.3 FlashX | $0.37 | $1.25 | 1.0M |
| GLM 5.3 Prime | $2.80 | $8.80 | 1M |
| GLM 5.3 Flash | $0.15 | $0.50 | 1.0M |
| GLM 5.3 | $1.40 | $4.40 | 1.0M |
| GLM 5.2 | $0.41 | $3.99 | 1.0M |
Frequently asked questions
How much does GLM 5.3 FlashX cost per 1M tokens?
According to current pricing data, GLM 5.3 FlashX costs $0.37 per 1M input tokens and $1.25 per 1M output tokens. Processing 1M tokens each way costs $1.62.
What does a typical API request to GLM 5.3 FlashX cost?
A typical request with 2,000 input tokens and 500 output tokens costs $0.0014. At 1,000 requests per day that is $1.36 daily, or about $40.95 per month.
What is GLM 5.3 FlashX's context window?
GLM 5.3 FlashX supports a 1.0M-token context window (1,048,576 tokens).
Does GLM 5.3 FlashX support prompt caching?
Yes. Cached input tokens cost $0.09 per 1M — a 76% discount versus the standard input rate, which matters for agents and chat apps that resend the same system prompt.
What is a cheaper alternative to GLM 5.3 FlashX?
DeepSeek V4 Flash Latest from ~deepseek is currently the cheapest comparable option at $0.01 per 1M input tokens versus $0.37 for GLM 5.3 FlashX — roughly 37x cheaper on input.
Compare all current prices on the live model pricing dashboard, see GLM 5.3 FlashX vs DeepSeek V4 Flash Latest pricing, or run GLM 5.3 FlashX head-to-head against other models in the side-by-side comparison playground.
Pricing data via the OpenRouter models API.