LiteLLMModels

GLM 5.3 Fp4 API Pricing

By Z.ai · 1 providercoralbricks/glm-5.3-fp4Compare
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.

Prices updated Checked

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.

GLM 5.3 Fp4 prices by provider in US dollars, token prices per 1M tokens, as of October 21, 2026. Source: LiteLLM model price file.
ProviderModel name in LiteLLMInputOutputCache readCache writeContext
CoralBrickscoralbricks/glm-5.3-fp4$1.12$4.40$0$1.681M

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

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.

Python SDK
from litellm import completion

response = completion(
    model="coralbricks/glm-5.3-fp4",
    messages=[{"role": "user", "content": "Hello!"}],
)
Proxy config.yaml
model_list:
  - model_name: glm-5.3-fp4
    litellm_params:
      model: coralbricks/glm-5.3-fp4
      # credentials: see the provider's LiteLLM docs page
Call the proxy
curl 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.