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o4 Mini

Last verified: April 24, 2026

$1.10/1M input · $4.40/1M output · 200K context · OpenAI

mid-rangemathreasoningsciencelogic

When to use o4 Mini

OpenAI's reasoning model for tasks that need step-by-step thinking. Excels at math, science, and logic puzzles where chain-of-thought matters. More expensive but more accurate on hard problems.

  • Superior on math and science benchmarks
  • Chain-of-thought reasoning built in
  • 200K context window
  • Function calling support

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Pricing Details

OpenAIReasoning model
Input / 1M tokens
$1.1
Output / 1M tokens
$4.4
Context Window
200K
Max Output
100K

Price History

Launched at current price. No price changes recorded.

Frequently Asked Questions

Common questions about o4 Mini pricing and usage

Read More About o4 Mini