GPT-5.4 Pro API Pricing

As of October 10, 2026, GPT-5.4 Pro costs $30.00 per 1M input tokens and $180.00 per 1M output tokens on OpenAI. It has a 1,050,000-token context window and returns up to 128,000 tokens per response.

By OpenAIModel ID gpt-5.4-proPrices updated October 10, 2026Checked October 10, 2026

Input: $30.00 / 1M tokens
Output: $180.00 / 1M tokens
Context window: 1,050,000 tokens
Max output: 128,000 tokens
Providers: 4
Added to LiteLLM: March 2026

GPT-5.4 Pro pricing by provider

9 listings across 4 providers. Token prices are in US dollars per 1M tokens. The highlighted row is the price quoted above.

Provider	Model name in LiteLLM	Input	Output	Cache read	Batch in	Batch out	Context
OpenAI	`gpt-5.4-pro`	$30.00	$180.00	–	$15.00	$90.00	1M
OpenAIsnapshot 2026-03-05	`gpt-5.4-pro-2026-03-05`	$30.00	$180.00	–	$15.00	$90.00	1M
Azure AI Foundry	`azure_ai/gpt-5.4-pro`	$30.00	$180.00	$3.00	–	–	922K
Azure AI Foundrysnapshot 2026-03-05	`azure_ai/gpt-5.4-pro-2026-03-05`	$30.00	$180.00	$3.00	–	–	922K
Azure OpenAI	`azure/gpt-5.4-pro`	$30.00	$180.00	$3.00	$15.00	$90.00	922K
Azure OpenAIsnapshot 2026-03-05	`azure/gpt-5.4-pro-2026-03-05`	$30.00	$180.00	$3.00	$15.00	$90.00	922K
ChatGPT Subscription	`chatgpt/gpt-5.4-pro`	–	–	–	–	–	1M
Azure OpenAIeu	`azure/eu/gpt-5.4-pro`	$33.00	$198.00	–	$16.50	$99.00	–
Azure OpenAIus	`azure/us/gpt-5.4-pro`	$33.00	$198.00	–	$16.50	$99.00	–

Other GPT-5.4 Pro prices on OpenAI

Flex input	$15.00 per 1M tokens
Flex output	$90.00 per 1M tokens
Input above 272K tokens	$60.00 per 1M tokens
Output above 272K tokens	$270.00 per 1M tokens
Web search	$10.00 per 1K searches

What GPT-5.4 Pro costs in practice

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

OpenAI	$150.00
Azure AI Foundry	$150.00
Azure OpenAI	$150.00
OpenAI batch	$75.00

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

OpenAI	$336.00
Azure AI Foundry	$336.00
Azure OpenAI	$336.00

GPT-5.4 Pro features

Input: text, image. Output: text.

Function calling
Parallel tool calls
Structured output
Image input
PDF input
Reasoning
Prompt caching
Web search

Use GPT-5.4 Pro with LiteLLM

Call GPT-5.4 Pro through the LiteLLM Python SDK, or put it behind the LiteLLM proxy and send OpenAI-format requests to /v1/responses. LiteLLM tracks the cost of every request at these prices.

Python SDK

from litellm import completion

response = completion(
    model="gpt-5.4-pro",
    messages=[{"role": "user", "content": "Hello!"}],
)

Proxy config.yaml

model_list:
  - model_name: gpt-5.4-pro
    litellm_params:
      model: gpt-5.4-pro
      api_key: os.environ/OPENAI_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": "gpt-5.4-pro",
    "messages": [{"role": "user", "content": "Hello!"}]
  }'

GPT-5.4 Pro FAQ

How much does GPT-5.4 Pro cost?

GPT-5.4 Pro costs $30.00 per 1M input tokens and $180.00 per 1M output tokens on OpenAI. Batch requests cost $15.00 per 1M input tokens and $90.00 per 1M output tokens. Above 272K input tokens, input costs $60.00 and output costs $270.00 per 1M tokens.

What is the context window of GPT-5.4 Pro?

GPT-5.4 Pro has a 1,050,000-token context window and returns up to 128,000 tokens per response.

Which providers offer GPT-5.4 Pro?

GPT-5.4 Pro is available from 4 providers through LiteLLM: OpenAI, Azure AI Foundry, Azure OpenAI and ChatGPT Subscription.

How do I call GPT-5.4 Pro with an OpenAI-compatible API?

Use the LiteLLM Python SDK with model="gpt-5.4-pro", 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-5.4 Pro support?

GPT-5.4 Pro supports function calling, parallel tool calls, image input, PDF input, reasoning, prompt caching and web search. It does not support structured output.

When did LiteLLM add GPT-5.4 Pro?

GPT-5.4 Pro was added to LiteLLM's model price file in March 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: OpenAI, Azure AI Foundry, Azure OpenAI, ChatGPT Subscription.

Provider pages: OpenAI, Azure AI Foundry, Azure OpenAI, ChatGPT Subscription.