GLM 5.3 FlashX API Pricing
Zhipu · Budget · Apache 2.0 · released 2026-09. Prices in USD per 1 million tokens. Data snapshot: 2026-09-20.
- Input: $0.37 per 1M tokens
- Output: $1.25 per 1M tokens
- Batch API (input/output): not published
- Prompt-cache read: $0.07
- Context window: 1M
Cost per request by business use case
List price vs optimized (prompt caching on the cached input share, batch API for async workloads, only where the provider publishes those rates).
| Use case | Tokens (in/out) | Cost/req (list) | Cost/req (optimized) | Monthly @100K req |
|---|---|---|---|---|
| Support Ticket | 1,500 / 500 | $0.0012 | $0.000914 | $91 |
| Knowledge Q&A | 2,000 / 800 | $0.0017 | $0.0013 | $133 |
| Meeting Summary | 10,000 / 1,200 | $0.0052 | $0.0049 | $491 |
| Marketing Content | 2,500 / 1,800 | $0.0032 | $0.0030 | $303 |
| Coding Task | 3,000 / 2,000 | $0.0036 | $0.0032 | $317 |
| Invoice Processing | 1,500 / 600 | $0.0013 | $0.0012 | $117 |
| Call Summary | 2,000 / 700 | $0.0016 | $0.0016 | $156 |
| Agent Workflow | 6,000 / 3,000 | $0.0060 | $0.0047 | $473 |
GLM 5.3 FlashX pricing by host
A host is a company that runs the model and sells it by the token — the lab that made it, a cloud platform like Amazon Bedrock, Azure or Vertex, or an independent provider. One model, several sellers, and often several prices. This model is sold by 1 host. The price quoted above is the one we publish so that models stay comparable; it is not necessarily the cheapest way to buy this model. List prices as published on 2026-09-20 via OpenRouter — negotiated rates, committed-use discounts and provisioned capacity are not shown.
| Host | Input $/1M | Output $/1M |
|---|---|---|
| Z.AI (the price shown above) — fp8 | $0.37 | $1.25 |
Common questions about GLM 5.3 FlashX pricing
- How much does GLM 5.3 FlashX cost?
- GLM 5.3 FlashX costs $0.37 per million input tokens and $1.25 per million output tokens on the API.
- Does GLM 5.3 FlashX offer batch or cached pricing?
- Prompt-cache reads cost $0.07/M input tokens. No batch pricing is published.
- What would GLM 5.3 FlashX cost per month?
- For a support-ticket workload (1,500 input + 500 output tokens per request) at 100K requests/month, GLM 5.3 FlashX costs about $118 at list prices.
These are list prices: real cost also depends on caching, batching, negotiated discounts, marketplace agreements, and existing contracts. Get a FinOps review from OptimNow or compare all models.
Build the business case for GLM 5.3 FlashX in the AI ROI Calculator: add your business value on top of these costs to get ROI, break-even and payback.
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