# Grok 4.3 API Pricing

As of October 10, 2026, Grok 4.3 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.

- Page: https://models.litellm.ai/models/grok-4.3
- Lab: xAI
- LiteLLM model name: `xai/grok-4.3`
- Context window: 1,000,000 tokens
- Max output: 1,000,000 tokens
- Added to LiteLLM: May 2026
- Prices updated: October 10, 2026

## Pricing by provider

Token prices in USD per 1M tokens.

| Provider | Model name | Input | Output | Cache read | Per image | Per second | Context |
|---|---|---|---|---|---|---|---|
| xAI | `xai/grok-4.3` | $1.25 | $2.50 | $0.20 | – | – | 1M |
| xAI (latest alias) | `xai/grok-4.3-latest` | $1.25 | $2.50 | $0.20 | – | – | 1M |
| Amazon Bedrock Mantle | `bedrock_mantle/xai.grok-4.3` | $1.25 | $2.50 | $0.20 | – | – | 1M |
| Azure AI Foundry | `azure_ai/grok-4.3` | $1.25 | $2.50 | $0.20 | – | – | 200K |
| Google Vertex AI | `vertex_ai/xai/grok-4.3` | $1.25 | $2.50 | $0.20 | – | – | 200K |
| Perplexity | `perplexity/xai/grok-4.3` | $1.25 | $2.50 | $0.20 | – | – | – |
| Amazon Bedrock Mantle (us-gov-west-1) | `bedrock_mantle/us-gov-west-1/xai.grok-4.3` | $1.50 | $3.00 | $0.24 | – | – | 1M |

## Cost examples

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

- xAI: $3.75
- Amazon Bedrock Mantle: $3.75
- Azure AI Foundry: $3.75
- Google Vertex AI: $3.75
- xAI batch: $3.00

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

- xAI: $13.00
- Amazon Bedrock Mantle: $13.00
- Azure AI Foundry: $13.00
- Google Vertex AI: $13.00

## Features

Supported: Function calling, Structured output, Image input, Reasoning, Prompt caching, Web search.

## Use it with LiteLLM

```python
from litellm import completion

response = completion(
    model="xai/grok-4.3",
    messages=[{"role": "user", "content": "Hello!"}],
)
```

## FAQ

### How much does Grok 4.3 cost?

Grok 4.3 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 4.3?

Grok 4.3 has a 1,000,000-token context window and returns up to 1,000,000 tokens per response.

### Which providers offer Grok 4.3?

Grok 4.3 is available from 5 providers through LiteLLM: xAI, Amazon Bedrock Mantle, Azure AI Foundry, Google Vertex AI and Perplexity.

### How do I call Grok 4.3 with an OpenAI-compatible API?

Use the LiteLLM Python SDK with model="xai/grok-4.3", 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 4.3 support?

Grok 4.3 supports function calling, structured output, image input, reasoning, prompt caching and web search.

### When did LiteLLM add Grok 4.3?

Grok 4.3 was added to LiteLLM's model price file in May 2026.

Source: LiteLLM model price file, https://github.com/BerriAI/litellm/blob/main/model_prices_and_context_window.json