LiteLLMModels

o1 Mini API Pricing

As of October 10, 2026, o1 Mini costs $1.10 per 1M input tokens and $4.40 per 1M output tokens from Azure OpenAI, the lowest of 2 providers, with cache reads at $0.55 per 1M tokens. It has a 128,000-token context window and returns up to 65,536 tokens per response.

By OpenAIModel ID azure/o1-miniPrices updated Checked
Input
$1.10 / 1M tokens
Output
$4.40 / 1M tokens
Cache read
$0.55 / 1M tokens
Context window
128,000 tokens
Max output
65,536 tokens
Providers
2
Added to LiteLLM
September 2024

o1 Mini pricing by provider

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

ProviderModel name in LiteLLMInputOutputCache readBatch inBatch outContext
Azure OpenAIazure/o1-mini$1.10$4.40$0.55$0.55$2.20128K
Azure OpenAIsnapshot 2024-09-12azure/o1-mini-2024-09-12$1.10$4.40$0.55$0.55$2.20128K
Replicatereplicate/openai/o1-mini$1.10$4.40––––
Azure OpenAIeuazure/eu/o1-mini$1.21$4.84$0.605$0.605$2.42–
Azure OpenAIeu, snapshot 2024-09-12azure/eu/o1-mini-2024-09-12$1.21$4.84$0.605$0.605$2.42128K
Azure OpenAIusazure/us/o1-mini$1.21$4.84$0.605$0.605$2.42–
Azure OpenAIus, snapshot 2024-09-12azure/us/o1-mini-2024-09-12$1.21$4.84$0.605$0.605$2.42128K

What o1 Mini costs in practice

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

Azure OpenAI$4.40
Replicate$4.40
Azure OpenAI batch$2.20

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

Azure OpenAI$11.88
Replicate$11.88

o1 Mini features

Use o1 Mini with LiteLLM

Call o1 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="azure/o1-mini",
    messages=[{"role": "user", "content": "Hello!"}],
)
Proxy config.yaml
model_list:
  - model_name: o1-mini
    litellm_params:
      model: azure/o1-mini
      api_base: os.environ/AZURE_API_BASE
      api_key: os.environ/AZURE_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": "o1-mini",
    "messages": [{"role": "user", "content": "Hello!"}]
  }'

o1 Mini FAQ

How much does o1 Mini cost?

o1 Mini costs $1.10 per 1M input tokens and $4.40 per 1M output tokens from Azure OpenAI, the lowest of 2 providers, with cache reads at $0.55 per 1M tokens. Batch requests cost $0.55 per 1M input tokens and $2.20 per 1M output tokens.

What is the context window of o1 Mini?

o1 Mini has a 128,000-token context window and returns up to 65,536 tokens per response.

Which providers offer o1 Mini?

o1 Mini is available from 2 providers through LiteLLM: Azure OpenAI and Replicate.

How do I call o1 Mini with an OpenAI-compatible API?

Use the LiteLLM Python SDK with model="azure/o1-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 o1 Mini support?

o1 Mini supports function calling, parallel tool calls, reasoning and prompt caching. It does not support image input.

When did LiteLLM add o1 Mini?

o1 Mini was added to LiteLLM's model price file in September 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: Azure OpenAI, Replicate.

Provider pages: Azure OpenAI, Replicate.