Codex Mini API Pricing

Codex Mini pricing by provider

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

What Codex Mini costs in practice

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

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

Codex Mini features

Input: text, image. Output: text.

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

Use Codex Mini with LiteLLM

Call Codex Mini through the LiteLLM Python SDK, or put it behind the LiteLLM proxy and send OpenAI-format requests to /v1/responses. LiteLLM tracks the cost of every request at these prices.

from litellm import completion

response = completion(
    model="azure/codex-mini",
    messages=[{"role": "user", "content": "Hello!"}],
)

model_list:
  - model_name: codex-mini
    litellm_params:
      model: azure/codex-mini
      api_base: os.environ/AZURE_API_BASE
      api_key: os.environ/AZURE_API_KEY

curl http://0.0.0.0:4000/v1/chat/completions \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer sk-1234" \
  -d '{
    "model": "codex-mini",
    "messages": [{"role": "user", "content": "Hello!"}]
  }'

Codex Mini FAQ

More OpenAI models

• GPT Daybreak Blue 5.6 Sol$4.40 / $22 per 1M tokens
• GPT Daybreak Blue$4 / $20 per 1M tokens
• GPT Daybreak Red$12.50 / $75 per 1M tokens
• GPT-5.5 Pro$30 / $180 per 1M tokens
• GPT-5.3 Codex Spark
• GPT-5.3 Instant
• GPT-5.4 Pro$30 / $180 per 1M tokens
• GPT-5.3 Codex$1.75 / $14 per 1M tokens