LiteLLMModels

GPT-5 Search API API Pricing

As of October 10, 2026, GPT-5 Search API costs $1.25 per 1M input tokens and $10.00 per 1M output tokens on OpenAI, with cache reads at $0.125 per 1M tokens. It has a 272,000-token context window and returns up to 128,000 tokens per response.

By OpenAIModel ID gpt-5-search-apiPrices updated Checked
Input
$1.25 / 1M tokens
Output
$10.00 / 1M tokens
Cache read
$0.125 / 1M tokens
Context window
272,000 tokens
Max output
128,000 tokens
Providers
1
Added to LiteLLM
February 2026

GPT-5 Search API pricing by provider

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

ProviderModel name in LiteLLMInputOutputCache readContext
OpenAIgpt-5-search-api$1.25$10.00$0.125272K
OpenAIsnapshot 2025-10-14gpt-5-search-api-2025-10-14$1.25$10.00$0.125272K

Other GPT-5 Search API prices on OpenAI

Web search$10.00 per 1K searches

What GPT-5 Search API costs in practice

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

OpenAI$7.50

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

OpenAI$14.50

GPT-5 Search API features

Use GPT-5 Search API with LiteLLM

Call GPT-5 Search API 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-5-search-api",
    messages=[{"role": "user", "content": "Hello!"}],
)
Proxy config.yaml
model_list:
  - model_name: gpt-5-search-api
    litellm_params:
      model: gpt-5-search-api
      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-search-api",
    "messages": [{"role": "user", "content": "Hello!"}]
  }'

GPT-5 Search API FAQ

How much does GPT-5 Search API cost?

GPT-5 Search API costs $1.25 per 1M input tokens and $10.00 per 1M output tokens on OpenAI, with cache reads at $0.125 per 1M tokens.

What is the context window of GPT-5 Search API?

GPT-5 Search API has a 272,000-token context window and returns up to 128,000 tokens per response.

Which providers offer GPT-5 Search API?

GPT-5 Search API is available from OpenAI through LiteLLM, using the model name gpt-5-search-api.

How do I call GPT-5 Search API with an OpenAI-compatible API?

Use the LiteLLM Python SDK with model="gpt-5-search-api", 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-5 Search API support?

GPT-5 Search API supports function calling, parallel tool calls, structured output, image input, PDF input, prompt caching and web search.

When did LiteLLM add GPT-5 Search API?

GPT-5 Search API was added to LiteLLM's model price file in February 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.

Provider pages: OpenAI.