GLM-5.3-Flash API Pricing
Verified standard token pricing for GLM-5.3-Flash, with official-source evidence and computed workload costs.
As of Nov 4, 2026, GLM-5.3-Flash costs $0.15 per 1M input and $0.50 per 1M output tokens, $0.03 cached input. At standard non-cached rates, 10,000 monthly requests using 800 input and 300 output tokens each cost about $2.70, before retries, tools, storage, or provider-specific discounts.
| Model | Input $/1M | Cached input $/1M | Output $/1M | Source | Last verified How we verify |
|---|---|---|---|---|---|
| GLM-5.3-Flash | $0.15 | $0.03 | $0.50 | Official source | Nov 4, 2026 |
Prices from official provider pages, verified on the date shown.
Interactive estimate
GLM-5.3-Flash cost calculator
Enter your monthly requests and tokens per request to estimate GLM-5.3-Flash API cost with the verified standard prices on this page. For several models, cached input or a full monthly budget, use the AI API Cost Calculator.
- Per request
- $0.00027
- Per month
- $2.70
- Per year
- $32.40
GLM-5.3-Flash at standard non-cached rates: input tokens x input price + output tokens x output price, per 1M tokens. Retries, tools and cached input are not included.
Official source detail
Full pricing details
Standard prices are shown per 1M tokens. Provider-specific tiers, components, Batch rates, and time schedules remain separate below.
Published pricing components
| Mode and context | Input | Cached input | Output |
|---|---|---|---|
| Standard · Short context | $0.15 | $0.03 | $0.50 |
Computed examples
What it costs for real workloads
| Workload | Monthly volume | Input tokens | Output tokens | Estimated cost |
|---|---|---|---|---|
| Side project | 1,000 requests/month | 800,000 | 300,000 | $0.27 |
| Side project | 10,000 requests/month | 8,000,000 | 3,000,000 | $2.70 |
| Side project | 100,000 requests/month | 80,000,000 | 30,000,000 | $27.00 |
| Customer support chatbot | 10,000 conversations/month | 121,650,000 | 10,800,000 | $23.65 |
| Agent task | 1,000 tasks/month | 12,000,000 | 3,200,000 | $3.40 |
Assumptions
- Side project: 800 input and 300 output tokens per request at 1,000, 10,000, and 100,000 requests per month.
- Customer support chatbot: 6 replies per conversation, 600 system tokens, 90 user-message tokens, 1,000 retrieved-context tokens, 180 output tokens per reply, and 50% history carry, for 10,000 conversations.
- Agent task: 8 model calls per task, 1,500 input and 400 output tokens per call, for 1,000 tasks.
- Standard rows use non-cached, non-batch prices. A Batch row appears only when both published Batch token prices exist.
Same-provider context
GLM-5.3-Flash in the Z.ai (Zhipu) lineup
- GLM-5.3-Flash ranks 1st of 6 current Z.ai (Zhipu) models on this site by blended price (3 input tokens : 1 output token), from lowest to highest.
- The next higher-priced Z.ai (Zhipu) option, GLM-5.3-FlashX, costs 2.49× as much for the same workload ($6.71).
- Output tokens cost 3.33× input tokens, so long answers and generated code move the bill more than prompt length does.
- Cached input is billed at $0.03 per 1M tokens, 80% below standard input, which matters when the same system prompt or documents repeat across requests.
- The verified pricing data lists no Batch price for GLM-5.3-Flash.
- GLM-5.3-Flash is a variant of GLM-5.3: compared with GLM-5.3, it costs 89% less for input and 89% less for output.
| Z.ai (Zhipu) model | Input / 1M | Output / 1M | Side project, 10k requests |
|---|---|---|---|
| GLM-5.3-Flash (this page) | $0.15 | $0.50 | $2.70 |
| GLM-5.3-FlashX | $0.37 | $1.25 | $6.71 |
| GLM-4.7 | $0.60 | $2.20 | $11.40 |
| GLM-5 | $1.00 | $3.20 | $17.60 |
| GLM-5.2 | $1.40 | $4.40 | $24.40 |
| GLM-5.3 | $1.40 | $4.40 | $24.40 |
Verified changes
Price history
First observed on Nov 4, 2026; Z.ai (Zhipu) did not publish an effective date. Z.ai (Zhipu) added GLM-5.3-Flash with published input $0.15 and output $0.50 per 1M tokens.
View this update in the price monitor
Availability evidence
Lifecycle
- Status
- active
- Release date
- Not published in the verified record
- Pricing basis
- Standard list price
Nearby blended prices
Compare with
Alternatives are nearest by a 3:1 input-to-output blended token price, with same-provider coverage when available.
| Model | Input / 1M | Output / 1M | Side project, 10k requests |
|---|---|---|---|
| GLM-5.3-FlashX | $0.37 | $1.25 | $6.71 |
| Qwen3.8 Flash | $0.15 | $0.47 | $2.61 |
| Mistral Small 4 | $0.15 | $0.60 | $3.00 |
Next steps
Related
Common questions
Frequently asked questions
How much does GLM-5.3-Flash cost per million tokens?
GLM-5.3-Flash costs $0.15 per 1M input tokens and $0.50 per 1M output tokens.
Does GLM-5.3-Flash have cached input pricing?
Yes. The published cached-input price is $0.03 per 1M tokens.
How much does GLM-5.3-Flash cost for 10,000 requests a month?
Using 800 input and 300 output tokens per request at standard non-cached rates, 10,000 monthly requests cost about $2.70.
Where does this GLM-5.3-Flash price come from?
The prices come from Z.ai (Zhipu)'s official pricing source and were verified on Nov 4, 2026.
See the pricing verification methodology.