# GPT-5.3 Codex API Pricing

As of October 10, 2026, GPT-5.3 Codex costs $1.75 per 1M input tokens and $14.00 per 1M output tokens on OpenAI, with cache reads at $0.175 per 1M tokens. Across 7 providers on LiteLLM, the input price ranges from $1.75 to $3.50. It has a 272,000-token context window and returns up to 128,000 tokens per response.

- Page: https://models.litellm.ai/models/gpt-5.3-codex
- Lab: OpenAI
- LiteLLM model name: `gpt-5.3-codex`
- Context window: 272,000 tokens
- Max output: 128,000 tokens
- Added to LiteLLM: February 2026
- Deprecation date: April 1, 2027
- 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 |
|---|---|---|---|---|---|---|---|
| OpenAI | `gpt-5.3-codex` | $1.75 | $14.00 | $0.175 | – | – | 272K |
| AIHubMix | `aihubmix/gpt-5.3-codex` | $1.75 | $14.00 | $0.175 | – | – | 400K |
| Azure OpenAI | `azure/gpt-5.3-codex` | $1.75 | $14.00 | $0.175 | – | – | 272K |
| ChatGPT Subscription | `chatgpt/gpt-5.3-codex` | – | – | – | – | – | 128K |
| Databricks | `databricks/databricks-gpt-5-3-codex` | $1.75 | $14.00 | $0.175 | – | – | 272K |
| GitHub Copilot | `github_copilot/gpt-5.3-codex` | $1.75 | $14.00 | $0.175 | – | – | 128K |
| Perplexity | `perplexity/openai/gpt-5.3-codex` | $3.50 | $28.00 | $0.35 | – | – | – |
| Azure OpenAI (eu) | `azure/eu/gpt-5.3-codex` | $1.925 | $15.40 | $0.1925 | – | – | – |
| Azure OpenAI (us) | `azure/us/gpt-5.3-codex` | $1.925 | $15.40 | $0.1925 | – | – | – |

## Cost examples

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

- OpenAI: $10.50
- AIHubMix: $10.50
- Azure OpenAI: $10.50
- Databricks: $10.50

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

- OpenAI: $20.30
- AIHubMix: $20.30
- Azure OpenAI: $20.30
- Databricks: $20.30

## 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="gpt-5.3-codex",
    messages=[{"role": "user", "content": "Hello!"}],
)
```

## FAQ

### How much does GPT-5.3 Codex cost?

GPT-5.3 Codex costs $1.75 per 1M input tokens and $14.00 per 1M output tokens on OpenAI, with cache reads at $0.175 per 1M tokens. Across 7 providers on LiteLLM, the input price ranges from $1.75 to $3.50.

### What is the context window of GPT-5.3 Codex?

GPT-5.3 Codex has a 272,000-token context window and returns up to 128,000 tokens per response.

### Which providers offer GPT-5.3 Codex?

GPT-5.3 Codex is available from 7 providers through LiteLLM: OpenAI, AIHubMix, Azure OpenAI, ChatGPT Subscription, Databricks, GitHub Copilot and Perplexity. The lowest price is on OpenAI.

### How do I call GPT-5.3 Codex with an OpenAI-compatible API?

Use the LiteLLM Python SDK with model="gpt-5.3-codex", or add the model to the LiteLLM proxy's config.yaml and send requests to /v1/responses from any OpenAI client. LiteLLM tracks the cost of every request at the prices on this page.

### What features does GPT-5.3 Codex support?

GPT-5.3 Codex supports function calling, parallel tool calls, structured output, image input, PDF input, reasoning, prompt caching and web search.

### When did LiteLLM add GPT-5.3 Codex?

GPT-5.3 Codex was added to LiteLLM's model price file in February 2026.

### Is GPT-5.3 Codex being deprecated?

OpenAI lists a deprecation date of April 1, 2027 for gpt-5.3-codex.

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