LiteLLMModels

Grok 4.20 0309 Non Reasoning API Pricing

As of October 10, 2026, Grok 4.20 0309 Non Reasoning costs $1.25 per 1M input tokens and $2.50 per 1M output tokens on xAI, with cache reads at $0.20 per 1M tokens. It has a 1,000,000-token context window and returns up to 1,000,000 tokens per response.

By xAIModel ID xai/grok-4.20-0309-non-reasoningPrices updated Checked
Input
$1.25 / 1M tokens
Output
$2.50 / 1M tokens
Cache read
$0.20 / 1M tokens
Context window
1,000,000 tokens
Max output
1,000,000 tokens
Providers
1
Added to LiteLLM
August 10, 2026

Grok 4.20 0309 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.

ProviderModel name in LiteLLMInputOutputCache readBatch inBatch outContext
xAIxai/grok-4.20-0309-non-reasoning$1.25$2.50$0.20$1.00$2.001M

Other Grok 4.20 0309 Non Reasoning prices on xAI

Input above 200K tokens$2.50 per 1M tokens
Output above 200K tokens$5.00 per 1M tokens
Cache read above 200K tokens$0.40 per 1M tokens

What Grok 4.20 0309 Non Reasoning costs in practice

1,000 requests with 2,000 input and 500 output tokens each

xAI$3.75
xAI batch$3.00

100 long-document requests with 100,000 input and 2,000 output tokens each

xAI$13.00

Grok 4.20 0309 Non Reasoning features

Use Grok 4.20 0309 Non Reasoning with LiteLLM

Call Grok 4.20 0309 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.

Python SDK
from litellm import completion

response = completion(
    model="xai/grok-4.20-0309-non-reasoning",
    messages=[{"role": "user", "content": "Hello!"}],
)
Proxy config.yaml
model_list:
  - model_name: grok-4.20-0309-non-reasoning
    litellm_params:
      model: xai/grok-4.20-0309-non-reasoning
      api_key: os.environ/XAI_API_KEY
Call the proxy
curl http://0.0.0.0:4000/v1/chat/completions \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer sk-1234" \
  -d '{
    "model": "grok-4.20-0309-non-reasoning",
    "messages": [{"role": "user", "content": "Hello!"}]
  }'

Grok 4.20 0309 Non Reasoning FAQ

How much does Grok 4.20 0309 Non Reasoning cost?

Grok 4.20 0309 Non Reasoning costs $1.25 per 1M input tokens and $2.50 per 1M output tokens on xAI, with cache reads at $0.20 per 1M tokens. Batch requests cost $1.00 per 1M input tokens and $2.00 per 1M output tokens. Above 200K input tokens, input costs $2.50 and output costs $5.00 per 1M tokens.

What is the context window of Grok 4.20 0309 Non Reasoning?

Grok 4.20 0309 Non Reasoning has a 1,000,000-token context window and returns up to 1,000,000 tokens per response.

Which providers offer Grok 4.20 0309 Non Reasoning?

Grok 4.20 0309 Non Reasoning is available from xAI through LiteLLM, using the model name xai/grok-4.20-0309-non-reasoning.

How do I call Grok 4.20 0309 Non Reasoning with an OpenAI-compatible API?

Use the LiteLLM Python SDK with model="xai/grok-4.20-0309-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.

What features does Grok 4.20 0309 Non Reasoning support?

Grok 4.20 0309 Non Reasoning supports function calling, structured output, image input, prompt caching and web search.

When did LiteLLM add Grok 4.20 0309 Non Reasoning?

Grok 4.20 0309 Non Reasoning was added to LiteLLM's model price file on August 10, 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: xAI.

Provider pages: xAI.