# GPT Chat API Pricing

As of October 10, 2026, GPT Chat costs $5.00 per 1M input tokens and $30.00 per 1M output tokens from Azure OpenAI, the lowest of 3 providers, with cache reads at $0.50 per 1M tokens. It has a 272,000-token context window and returns up to 128,000 tokens per response.

- Page: https://models.litellm.ai/models/gpt-chat
- Lab: OpenAI
- LiteLLM model name: `azure/gpt-chat-latest`
- Context window: 272,000 tokens
- Max output: 128,000 tokens
- Added to LiteLLM: September 9, 2026
- Deprecation date: December 2, 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 |
|---|---|---|---|---|---|---|---|
| Azure OpenAI (latest alias) | `azure/gpt-chat-latest` | $5.00 | $30.00 | $0.50 | – | – | 272K |
| AIHubMix (latest alias) | `aihubmix/gpt-chat-latest` | $5.00 | $30.00 | $0.50 | – | – | 400K |
| Azure AI Foundry (latest alias) | `azure_ai/gpt-chat-latest` | $5.00 | $30.00 | $0.50 | – | – | 272K |
| Azure OpenAI (us, latest alias) | `azure/us/gpt-chat-latest` | $5.50 | $33.00 | $0.55 | – | – | 272K |

## Cost examples

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

- Azure OpenAI: $25.00
- AIHubMix: $25.00
- Azure AI Foundry: $25.00

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

- Azure OpenAI: $56.00
- AIHubMix: $56.00
- Azure AI Foundry: $56.00

## Features

Supported: Function calling, Parallel tool calls, Structured output, Image input, PDF input, Reasoning, Prompt caching, Web search.

## Use it with LiteLLM

```python
from litellm import completion

response = completion(
    model="azure/gpt-chat-latest",
    messages=[{"role": "user", "content": "Hello!"}],
)
```

## FAQ

### How much does GPT Chat cost?

GPT Chat costs $5.00 per 1M input tokens and $30.00 per 1M output tokens from Azure OpenAI, the lowest of 3 providers, with cache reads at $0.50 per 1M tokens.

### What is the context window of GPT Chat?

GPT Chat has a 272,000-token context window and returns up to 128,000 tokens per response.

### Which providers offer GPT Chat?

GPT Chat is available from 3 providers through LiteLLM: Azure OpenAI, AIHubMix and Azure AI Foundry.

### How do I call GPT Chat with an OpenAI-compatible API?

Use the LiteLLM Python SDK with model="azure/gpt-chat-latest", 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 GPT Chat support?

GPT Chat supports function calling, parallel tool calls, structured output, image input, PDF input, reasoning, prompt caching and web search.

### When did LiteLLM add GPT Chat?

GPT Chat was added to LiteLLM's model price file on September 9, 2026.

### Is GPT Chat being deprecated?

Azure OpenAI lists a deprecation date of December 2, 2026 for azure/gpt-chat-latest.

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