LiteLLMModels

GPT-4 Turbo API Pricing

As of October 10, 2026, GPT-4 Turbo costs $10.00 per 1M input tokens and $30.00 per 1M output tokens on OpenAI. It has a 128,000-token context window and returns up to 4,096 tokens per response.

By OpenAIModel ID gpt-4-turboPrices updated Checked
Scheduled for deprecation: OpenAI lists October 23, 2026 as the deprecation date for gpt-4-turbo.
Input
$10.00 / 1M tokens
Output
$30.00 / 1M tokens
Context window
128,000 tokens
Max output
4,096 tokens
Providers
3
Added to LiteLLM
January 2024

GPT-4 Turbo pricing by provider

5 listings across 3 providers. Token prices are in US dollars per 1M tokens. The highlighted row is the price quoted above.

ProviderModel name in LiteLLMInputOutputBatch inBatch outContext
OpenAIgpt-4-turbo$10.00$30.00––128K
OpenAIsnapshot 2024-04-09gpt-4-turbo-2024-04-09$10.00$30.00$5.00$15.00128K
Azure OpenAIazure/gpt-4-turbo$10.00$30.00––128K
Azure OpenAIsnapshot 2024-04-09azure/gpt-4-turbo-2024-04-09$10.00$30.00––128K
Vercel AI Gatewayvercel_ai_gateway/openai/gpt-4-turbo$10.00$30.00––128K

What GPT-4 Turbo costs in practice

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

OpenAI$35.00
Azure OpenAI$35.00
Vercel AI Gateway$35.00

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

OpenAI$106.00
Azure OpenAI$106.00
Vercel AI Gateway$106.00

GPT-4 Turbo features

Use GPT-4 Turbo with LiteLLM

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

GPT-4 Turbo FAQ

How much does GPT-4 Turbo cost?

GPT-4 Turbo costs $10.00 per 1M input tokens and $30.00 per 1M output tokens on OpenAI.

What is the context window of GPT-4 Turbo?

GPT-4 Turbo has a 128,000-token context window and returns up to 4,096 tokens per response.

Which providers offer GPT-4 Turbo?

GPT-4 Turbo is available from 3 providers through LiteLLM: OpenAI, Azure OpenAI and Vercel AI Gateway.

How do I call GPT-4 Turbo with an OpenAI-compatible API?

Use the LiteLLM Python SDK with model="gpt-4-turbo", 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-4 Turbo support?

GPT-4 Turbo supports function calling, parallel tool calls, image input, PDF input and prompt caching.

When did LiteLLM add GPT-4 Turbo?

GPT-4 Turbo was added to LiteLLM's model price file in January 2024.

Is GPT-4 Turbo being deprecated?

OpenAI lists a deprecation date of October 23, 2026 for gpt-4-turbo.

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 OpenAI, Vercel AI Gateway.

Provider pages: OpenAI, Azure OpenAI, Vercel AI Gateway.