Successful inference trendActivity
Flatkey price
Live catalog modelInput /M
$2.8
Input /M
$2.8$3.5
Output /M
$8.8$11
glm-5.3-prime API
Z.ai glm-5.3-prime for chat and coding; Flatkey routes this model through /v1/chat/completions. $2.8/$8.8 per 1M tokens
Input /M
Reference price: $3.5
$2.8-20%
Output /M
Reference price: $11
$8.8-20%
Provider
Z.ai
glm-5.3-prime API performance
glm-5.3-prime API reliability and uptime
Live Flatkey request telemetry for glm-5.3-prime appears here when enough production traffic is available.
Avg. provider uptime
100.0%
last 30 days
Latency
1.00s
last 30 days
Requests
4
30-day window
Successful inference trend
glm-5.3-prime API activity
glm-5.3-prime API usage and request activity
Track request volume and successful inference activity for glm-5.3-prime over the latest reporting window.
Requests
4
30-day window
Latency
1.00s
last 30 days
Uptime
100.0%
last 30 days
glm-5.3-prime pricing
glm-5.3-prime API pricing and billing
Prices below are calculated from Flatkey pricing data for this model and the visible groups currently returned by our pricing API.
View API
Shared balance
Add credits Add credits
Use the same Flatkey balance and API key across image, video, audio, and text models.
Model catalog
- Model Type
- Text
- API
- /v1/chat/completions
- Billing basis
- 1M tokens
glm-5.3-prime chat and coding: core capabilities
Z.ai's glm-5.3-prime route supports Not listed in the catalog. The catalog does not list a category for this model.
glm-5.3-prime chat and coding API
Call glm-5.3-prime through /v1/chat/completions for chat, coding or agent workflows supported by the model's listed modalities.
glm-5.3-prime long-context work
glm-5.3-prime is listed with Context window not listed in the catalog; use that catalog value as an integration planning reference and validate limits for your account.
glm-5.3-prime tool and agent workflows
Keep tool calls, structured output and streaming behavior aligned with the endpoint contract instead of assuming every provider feature is interchangeable.
glm-5.3-prime production routing
Use one Flatkey key for glm-5.3-prime, usage controls and model routing while retaining the exact model id in your SDK configuration.
Compare
glm-5.3-prime API comparison: capabilities and access
Compare the catalog facts for glm-5.3-prime with the previous-generation baseline before changing your integration.
| Capability | Previous generation | glm-5.3-prime |
|---|---|---|
| Provider | Not verified in this catalog snapshot | Z.ai |
| Modalities | Not verified in this catalog snapshot | Not listed in the catalog |
| Context | Not verified in this catalog snapshot | Context window not listed in the catalog |
| Endpoint | Not verified in this catalog snapshot | /v1/chat/completions |
| Billing | Not verified in this catalog snapshot | $2.8/$8.8 per 1M tokens |
Why Flatkey
Why use Flatkey for glm-5.3-prime?
OpenAI-compatible migration path
Chat Completions-style payloads reduce switching friction from existing model stacks.
Production routing
Keep usage, keys, quotas, and model routing in one Flatkey account.
Unified API access
Use one account and API key across image, video, audio, and language models.
Routing across upstream channels
Requests are spread across the channels serving this model, with 30-day uptime published above.
API Gateway
Supported endpoint coverage in our pricing API.
Call this model through the same OpenAI-compatible router and API key as the rest of the Flatkey catalog.
Use your existing SDK and set its base URL to the Flatkey router origin.
Keep prompts and request files in your terminal workflow with the Flatkey CLI.
Use the same key with your coding agent and route model jobs from a script.
curl https://router.flatkey.ai/v1/chat/completions \ -H "Content-Type: application/json" \ -H "Authorization: Bearer sk-***" \ -d '{"model":"glm-5.3-prime","messages":[{"role":"user","content":"Say hello in one sentence."}]}'
FAQ
glm-5.3-prime API
pricing, features, and usage FAQs
Answers about glm-5.3-prime pricing, capabilities, endpoint access and catalog limits.
What is glm-5.3-prime used for?
glm-5.3-prime is listed by Z.ai for chat and coding; the catalog lists these modalities: Not listed in the catalog.
How is glm-5.3-prime priced?
Use the pricing section above for current Flatkey prices from our pricing API.
Which API endpoint calls glm-5.3-prime?
Flatkey routes this model through /v1/chat/completions. Set the model field to glm-5.3-prime and follow the fields supported by that endpoint.
What context or input limits does glm-5.3-prime have?
glm-5.3-prime is listed with Context window not listed in the catalog. Other limits depend on the route and current account availability, so verify them before production use.