GPT-4o Mini API Pricing

As of October 10, 2026, GPT-4o Mini costs $0.15 per 1M input tokens and $0.60 per 1M output tokens on OpenAI, with cache reads at $0.075 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-miniPrices updated October 10, 2026Checked October 10, 2026

Input: $0.15 / 1M tokens
Output: $0.60 / 1M tokens
Cache read: $0.075 / 1M tokens
Context window: 128,000 tokens
Max output: 16,384 tokens
Providers: 7
Added to LiteLLM: July 2024

GPT-4o Mini pricing by provider

14 listings across 7 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	Cache write	Batch in	Batch out	Context
OpenAI	`gpt-4o-mini`	$0.15	$0.60	$0.075	–	$0.075	$0.30	128K
OpenAIsnapshot 2024-07-18	`gpt-4o-mini-2024-07-18`	$0.15	$0.60	$0.075	–	$0.075	$0.30	128K
OpenAIfine-tuned, snapshot 2024-07-18	`ft:gpt-4o-mini-2024-07-18`	$0.30	$1.20	$0.15	–	$0.15	$0.60	128K
Azure OpenAI	`azure/gpt-4o-mini`	$0.15	$0.60	$0.075	–	–	–	128K
Azure OpenAIsnapshot 2024-07-18	`azure/gpt-4o-mini-2024-07-18`	$0.15	$0.60	$0.075	–	$0.075	$0.30	128K
GitHub Copilot	`github_copilot/gpt-4o-mini`	–	–	–	–	–	–	64K
GitHub Copilotsnapshot 2024-07-18	`github_copilot/gpt-4o-mini-2024-07-18`	–	–	–	–	–	–	64K
GMI Cloud	`gmi/openai/gpt-4o-mini`	$0.15	$0.60	–	–	–	–	128K
GradientAI	`gradient_ai/openai-gpt-4o-mini`	–	–	–	–	–	–	128K
Replicate	`replicate/openai/gpt-4o-mini`	$0.15	$0.60	–	–	–	–	–
Vercel AI Gateway	`vercel_ai_gateway/openai/gpt-4o-mini`	$0.15	$0.60	$0.075	$0	–	–	128K
Azure OpenAIeu, snapshot 2024-07-18	`azure/eu/gpt-4o-mini-2024-07-18`	$0.165	$0.66	$0.083	–	$0.083	–	128K
Azure OpenAIglobal-standard	`azure/global-standard/gpt-4o-mini`	$0.15	$0.60	–	–	–	–	128K
Azure OpenAIus, snapshot 2024-07-18	`azure/us/gpt-4o-mini-2024-07-18`	$0.165	$0.66	$0.083	–	$0.083	–	128K

Other GPT-4o Mini prices on OpenAI

Priority input	$0.25 per 1M tokens
Priority output	$1.00 per 1M tokens
Web search	$25.00 per 1K searches

What GPT-4o Mini costs in practice

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

OpenAI	$0.60
Azure OpenAI	$0.60
GMI Cloud	$0.60
Replicate	$0.60
OpenAI batch	$0.30

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

OpenAI	$1.62
Azure OpenAI	$1.62
GMI Cloud	$1.62
Replicate	$1.62

GPT-4o Mini features

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

Use GPT-4o Mini with LiteLLM

Call GPT-4o Mini 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-mini",
    messages=[{"role": "user", "content": "Hello!"}],
)

Proxy config.yaml

model_list:
  - model_name: gpt-4o-mini
    litellm_params:
      model: gpt-4o-mini
      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-mini",
    "messages": [{"role": "user", "content": "Hello!"}]
  }'

GPT-4o Mini FAQ

How much does GPT-4o Mini cost?

GPT-4o Mini costs $0.15 per 1M input tokens and $0.60 per 1M output tokens on OpenAI, with cache reads at $0.075 per 1M tokens. Batch requests cost $0.075 per 1M input tokens and $0.30 per 1M output tokens.

What is the context window of GPT-4o Mini?

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

Which providers offer GPT-4o Mini?

GPT-4o Mini is available from 7 providers through LiteLLM: OpenAI, Azure OpenAI, GitHub Copilot, GMI Cloud, GradientAI, Replicate and Vercel AI Gateway.

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

Use the LiteLLM Python SDK with model="gpt-4o-mini", 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 Mini support?

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

When did LiteLLM add GPT-4o Mini?

GPT-4o Mini was added to LiteLLM's model price file in July 2024.

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, GitHub Copilot, GMI Cloud, GradientAI, Replicate.

Provider pages: OpenAI, Azure OpenAI, GitHub Copilot, GMI Cloud, GradientAI, Replicate, Vercel AI Gateway.