GLM 5.3 Fp4 API Pricing
- Input / output
- $1.12 / $4.40 per 1M tokens
- Cache read
- $0 / 1M
- Context
- 1M tokens
As of October 21, 2026, GLM 5.3 Fp4 costs $1.12 per 1M input tokens and $4.40 per 1M output tokens on CoralBricks, with cache reads at $0 and cache writes at $1.68 per 1M tokens. It has a 1,048,576-token context window.
GLM 5.3 Fp4 pricing by provider
1 listing across 1 provider. Token prices are in US dollars per 1M tokens. The highlighted row is the price quoted above.
| Provider | Model name in LiteLLM | Input | Output | Cache read | Cache write | Context |
|---|---|---|---|---|---|---|
| CoralBricks | coralbricks/glm-5.3-fp4 | $1.12 | $4.40 | $0 | $1.68 | 1M |
What GLM 5.3 Fp4 costs in practice
1,000 requests with 2,000 input and 500 output tokens each
| CoralBricks | $4.44 |
100 long-document requests with 100,000 input and 2,000 output tokens each
| CoralBricks | $12.08 |
GLM 5.3 Fp4 cost calculator
At CoralBricks's price ($1.12 input, $4.40 output per 1M tokens), 10,000 requests a day with 1,000 input and 500 output tokens each cost $33.20 a day, about $996 a month. Change the numbers for your workload, or compare it with other models.
- Per request
- $0.00332
- Per day
- $33.20
- Per month (30 days)
- $996
GLM 5.3 Fp4 features
- Function calling
- Image input
- Reasoning
- Prompt caching
Use GLM 5.3 Fp4 with LiteLLM
Call GLM 5.3 Fp4 through the LiteLLM Python SDK, or put it behind the LiteLLM proxy and send OpenAI-format requests to /v1/chat/completions. LiteLLM tracks the cost of every request at these prices.
from litellm import completion
response = completion(
model="coralbricks/glm-5.3-fp4",
messages=[{"role": "user", "content": "Hello!"}],
)model_list:
- model_name: glm-5.3-fp4
litellm_params:
model: coralbricks/glm-5.3-fp4
# credentials: see the provider's LiteLLM docs pagecurl http://0.0.0.0:4000/v1/chat/completions \
-H "Content-Type: application/json" \
-H "Authorization: Bearer $LITELLM_API_KEY" \
-d '{
"model": "glm-5.3-fp4",
"messages": [{"role": "user", "content": "Hello!"}]
}'GLM 5.3 Fp4 FAQ
How much does GLM 5.3 Fp4 cost?
GLM 5.3 Fp4 costs $1.12 per 1M input tokens and $4.40 per 1M output tokens on CoralBricks, with cache reads at $0 and cache writes at $1.68 per 1M tokens.
What is the context window of GLM 5.3 Fp4?
GLM 5.3 Fp4 has a 1,048,576-token context window.
Which providers offer GLM 5.3 Fp4?
GLM 5.3 Fp4 is available from CoralBricks through LiteLLM, using the model name coralbricks/glm-5.3-fp4.
How do I call GLM 5.3 Fp4 with an OpenAI-compatible API?
Use the LiteLLM Python SDK with model="coralbricks/glm-5.3-fp4", or add the model to the LiteLLM proxy's config.yaml and send requests to /v1/chat/completions from any OpenAI client. LiteLLM tracks the cost of every request at the prices on this page.
What features does GLM 5.3 Fp4 support?
GLM 5.3 Fp4 supports function calling, reasoning and prompt caching. It does not support image input.
When did LiteLLM add GLM 5.3 Fp4?
GLM 5.3 Fp4 was added to LiteLLM's model price file on October 12, 2026.
Sources
Prices come from LiteLLM's open-source model_prices_and_context_window.json, which LiteLLM uses to calculate the cost of every request. Maintainers update it from each provider's published pricing, and this page is usually rebuilt within 20 minutes of every change. Provider pricing pages:
LiteLLM docs: CoralBricks.
Provider pages: CoralBricks.
