Grok 4 Fast Non Reasoning API Pricing
As of October 10, 2026, Grok 4 Fast Non Reasoning costs $0.20 per 1M input tokens and $0.50 per 1M output tokens on Azure AI Foundry.
azure_ai/grok-4-fast-non-reasoning.- Input
- $0.20 / 1M tokens
- Output
- $0.50 / 1M tokens
- Providers
- 1
- Added to LiteLLM
- September 2025
Grok 4 Fast Non Reasoning 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 | Context |
|---|---|---|---|---|
| Azure AI Foundry | azure_ai/grok-4-fast-non-reasoning | $0.20 | $0.50 | – |
What Grok 4 Fast Non Reasoning costs in practice
1,000 requests with 2,000 input and 500 output tokens each
| Azure AI Foundry | $0.65 |
Use Grok 4 Fast Non Reasoning with LiteLLM
Call Grok 4 Fast Non Reasoning 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="azure_ai/grok-4-fast-non-reasoning",
messages=[{"role": "user", "content": "Hello!"}],
)model_list:
- model_name: grok-4-fast-non-reasoning
litellm_params:
model: azure_ai/grok-4-fast-non-reasoning
# 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 sk-1234" \
-d '{
"model": "grok-4-fast-non-reasoning",
"messages": [{"role": "user", "content": "Hello!"}]
}'Grok 4 Fast Non Reasoning FAQ
How much does Grok 4 Fast Non Reasoning cost?
Grok 4 Fast Non Reasoning costs $0.20 per 1M input tokens and $0.50 per 1M output tokens on Azure AI Foundry.
Which providers offer Grok 4 Fast Non Reasoning?
Grok 4 Fast Non Reasoning is available from Azure AI Foundry through LiteLLM, using the model name azure_ai/grok-4-fast-non-reasoning.
How do I call Grok 4 Fast Non Reasoning with an OpenAI-compatible API?
Use the LiteLLM Python SDK with model="azure_ai/grok-4-fast-non-reasoning", 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.
When did LiteLLM add Grok 4 Fast Non Reasoning?
Grok 4 Fast Non Reasoning was added to LiteLLM's model price file in September 2025.
Is Grok 4 Fast Non Reasoning being deprecated?
Azure AI Foundry deprecated azure_ai/grok-4-fast-non-reasoning on May 1, 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. Provider pricing pages:
LiteLLM docs: Azure AI Foundry.
Provider pages: Azure AI Foundry.
