Z-ai model
GLM 5.3 Prime API cost calculator
GLM 5.3 Prime costs $2.80 per 1M input tokens and $8.80 per 1M output tokens on the Z-ai API, with a 1M-token context window. A typical request (2K input, 500 output tokens) costs $0.01 — about $300/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 Prime
| Workload | Tokens (in / out) | Per request | Per 1K requests |
|---|---|---|---|
| Chatbot message | 500 / 300 | $0.0040 | $4.04 |
| RAG query with context | 4,000 / 500 | $0.02 | $15.60 |
| Document summarization | 20,000 / 1,000 | $0.06 | $64.80 |
| Agent coding session | 100,000 / 5,000 | $0.32 | $324 |
GLM 5.3 Prime vs other Z-ai models
| Model | Input /1M | Output /1M | Context |
|---|---|---|---|
| GLM 5.3 Prime | $2.80 | $8.80 | 1M |
| GLM 5.3 FlashX | $0.37 | $1.25 | 1.0M |
| GLM 5.3 Flash | $0.15 | $0.50 | 1.0M |
| GLM 5.3 | $1.40 | $4.40 | 1.0M |
| GLM 5.2 | $0.36 | $3.99 | 1.0M |
Frequently asked questions
How much does GLM 5.3 Prime cost per 1M tokens?
According to current pricing data, GLM 5.3 Prime costs $2.80 per 1M input tokens and $8.80 per 1M output tokens. Processing 1M tokens each way costs $11.60.
What does a typical API request to GLM 5.3 Prime cost?
A typical request with 2,000 input tokens and 500 output tokens costs $0.01. At 1,000 requests per day that is $10.00 daily, or about $300 per month.
What is GLM 5.3 Prime's context window?
GLM 5.3 Prime supports a 1M-token context window (1,000,000 tokens).
Does GLM 5.3 Prime support prompt caching?
Yes. Cached input tokens cost $0.56 per 1M — a 80% 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 Prime?
DeepSeek V4 Flash Latest from ~deepseek is currently the cheapest comparable option at $0.01 per 1M input tokens versus $2.80 for GLM 5.3 Prime — roughly 280x cheaper on input.
Compare all current prices on the live model pricing dashboard, see GLM 5.3 Prime vs DeepSeek V4 Flash Latest pricing, or run GLM 5.3 Prime head-to-head against other models in the side-by-side comparison playground.
Pricing data via the OpenRouter models API.