Successful inference trendActivity
Flatkey price
Live catalog modelInput /M
$3.5/ 1M tokens
Input /M
$3.5/ 1M tokens
Output /M
$11/ 1M tokens
glm-5.3-prime API
GLM-5.3 Prime API for text and coding. Use glm-5.3-prime; standard GLM-5.3 and Flash specifications do not establish Prime’s limits or benchmark results.
Input /M
$3.5/ 1M tokens
Output /M
$11/ 1M tokens
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
43.3%
last 30 days
Latency
641ms
last 30 days
Requests
60
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
60
30-day window
Latency
641ms
last 30 days
Uptime
43.3%
last 30 days
glm-5.3-prime pricing
glm-5.3-prime Pricing
GLM-5.3 Prime API for text and coding. Use glm-5.3-prime; standard GLM-5.3 and Flash specifications do not establish Prime’s limits or benchmark results. Input, cached input when listed, and output are separate billable dimensions. Use the live price cards and actual usage, not a sibling model’s rate or a provider-direct free allowance.
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
GLM-5.3 Prime API for text and coding. Use glm-5.3-prime; standard GLM-5.3 and Flash specifications do not establish Prime’s limits or benchmark results.
Exact model and variant
glm-5.3-prime. Related model IDs: glm-5.3 · glm-5.3-flash.
Code review workflow
For a code-review request, provide the relevant function, expected behavior and failing example. Ask for a diagnosis, a minimal patch and regression tests; verify the result before merging.
API integration
Use the exact model ID in messages through the endpoint shown in the API section. Start with a small request; do not assume that provider-native tools or parameters are exposed by this route.
Context and output limits
Read this route’s current catalog limits before submitting long documents. An unspecified limit is not unlimited. Keep room for generated output; do not copy a sibling model’s context, output or tool limits.
Compare
glm-5.3-prime API comparison: capabilities and access
GLM-5.3 Prime API for text and coding. Use glm-5.3-prime; standard GLM-5.3 and Flash specifications do not establish Prime’s limits or benchmark results.
| Capability | Related model IDs | glm-5.3-prime |
|---|---|---|
| Model ID | glm-5.3 · glm-5.3-flash | glm-5.3-prime |
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
glm-5.3-prime API
Four ways in, all on the same key and the same model catalog. Pick one to see a runnable example.
Call any model with an OpenAI-compatible API. Copy a ready-to-run example for your model and language.
Use the OpenAI SDK you already know — with Flatkey as the gateway.
Generate images and videos from your terminal. Let your AI assistant drive the workflow.
Connect your coding agent with one command, then use Flatkey from your existing projects.
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 API for text and coding. Use glm-5.3-prime; standard GLM-5.3 and Flash specifications do not establish Prime’s limits or benchmark results.
How is glm-5.3-prime priced?
Input /M: $3.5; Output /M: $11. GLM-5.3 Prime API for text and coding. Use glm-5.3-prime; standard GLM-5.3 and Flash specifications do not establish Prime’s limits or benchmark results. Input, cached input when listed, and output are separate billable dimensions. Use the live price cards and actual usage, not a sibling model’s rate or a provider-direct free allowance.
Which API endpoint calls glm-5.3-prime?
Use the exact model ID in messages through the endpoint shown in the API section. Start with a small request; do not assume that provider-native tools or parameters are exposed by this route.
What context or input limits does glm-5.3-prime have?
Read this route’s current catalog limits before submitting long documents. An unspecified limit is not unlimited. Keep room for generated output; do not copy a sibling model’s context, output or tool limits.