LiteLLMModels

GPT-4o Search Preview API Pricing

As of October 10, 2026, GPT-4o Search Preview costs $2.50 per 1M input tokens and $10.00 per 1M output tokens on OpenAI, with cache reads at $1.25 per 1M tokens. It has a 128,000-token context window and returns up to 16,384 tokens per response.

By OpenAIModel ID gpt-4o-search-previewPrices updated Checked
Input
$2.50 / 1M tokens
Output
$10.00 / 1M tokens
Cache read
$1.25 / 1M tokens
Context window
128,000 tokens
Max output
16,384 tokens
Providers
1
Added to LiteLLM
March 2025

GPT-4o Search Preview 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
OpenAIgpt-4o-search-preview$2.50$10.00$1.25$1.25$5.00128K

Other GPT-4o Search Preview prices on OpenAI

Web search$25.00 per 1K searches

What GPT-4o Search Preview costs in practice

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

OpenAI$10.00
OpenAI batch$5.00

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

OpenAI$27.00

GPT-4o Search Preview features

Use GPT-4o Search Preview with LiteLLM

Call GPT-4o Search Preview 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="gpt-4o-search-preview",
    messages=[{"role": "user", "content": "Hello!"}],
)
Proxy config.yaml
model_list:
  - model_name: gpt-4o-search-preview
    litellm_params:
      model: gpt-4o-search-preview
      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-4o-search-preview",
    "messages": [{"role": "user", "content": "Hello!"}]
  }'

GPT-4o Search Preview FAQ

How much does GPT-4o Search Preview cost?

GPT-4o Search Preview costs $2.50 per 1M input tokens and $10.00 per 1M output tokens on OpenAI, with cache reads at $1.25 per 1M tokens. Batch requests cost $1.25 per 1M input tokens and $5.00 per 1M output tokens.

What is the context window of GPT-4o Search Preview?

GPT-4o Search Preview has a 128,000-token context window and returns up to 16,384 tokens per response.

Which providers offer GPT-4o Search Preview?

GPT-4o Search Preview is available from OpenAI through LiteLLM, using the model name gpt-4o-search-preview.

How do I call GPT-4o Search Preview with an OpenAI-compatible API?

Use the LiteLLM Python SDK with model="gpt-4o-search-preview", 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-4o Search Preview support?

GPT-4o Search Preview supports function calling, parallel tool calls, structured output, image input, PDF input, prompt caching and web search.

When did LiteLLM add GPT-4o Search Preview?

GPT-4o Search Preview was added to LiteLLM's model price file in March 2025.

Sources

Prices come from LiteLLM's open-source model_prices_and_context_window.json, which LiteLLM uses to calculate the cost of every request.

LiteLLM docs: OpenAI.

Provider pages: OpenAI.