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OpenAI

o4-mini-deep-research API Pricing

Only Batch-tier pricing is published on the pricing page: $1.00/MTok input, $4.00/MTok output.

Verified against OpenAI’s pricing page on 2026-07-02.

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Facts

Legacy

Specs

  • Familyo-series
  • API IDo4-mini-deep-research
  • ModalityText
  • Context window—
  • Max output—
  • Release dateNot published

Pricing (per 1M tokens)

  • Input—
  • Output—
  • Cached input—
  • Cache write—
  • Batch discount—

Capabilities

reasoning, tool-use

Notes

Only Batch-tier pricing is published on the pricing page: $1.00/MTok input, $4.00/MTok output.

Worked cost examples

Not priced per token

o4-mini-deep-researchis billed per unit (image, second, or similar), not per token — the standard chatbot/RAG/batch workloads don’t apply. See the notes in the facts panel above for its per-unit rate.

Price history

Changes we have documented since we began tracking

No price changes recorded since we began tracking.

o4-mini-deep-research pricing FAQ

How is o4-mini-deep-research priced?
o4-mini-deep-research is billed per unit rather than per token. Only Batch-tier pricing is published on the pricing page: $1.00/MTok input, $4.00/MTok output.
Does o4-mini-deep-research have cache pricing?
No cache discount is documented for o4-mini-deep-research on the provider's pricing page.

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