prices synced 2026-07-28

o1-mini

retired

OpenAI · Released Sep 2024

Compare

Budget reasoning model at one-fifth of o1's price. Cut to o3-mini's $1.10/$4.40 when that model launched.

Input / 1M

$1.10

Output / 1M

$4.40

Cached input / 1M

—

Context window

128K

Price history

Input (solid)Output (dashed)
Price per 1M tokens over timeOutput went from $12.00 to $4.40; Input went from $3.00 to $1.10 between Sep 2024 and Jan 2025.$0$5.00$10.00Output on 12 Sep 2024: $12.00Output on 31 Jan 2025: $4.40Out $4.40Input on 12 Sep 2024: $3.00Input on 31 Jan 2025: $1.10In $1.10Sep 2024Jan 2025

Price change

30d
in — out —
90d
in — out —
1y
in — out —
Since launch
in decreased 63.3% out decreased 63.3%

Snapshots

Effective Input Output Cached in Note Source
31 Jan 2025 $1.10 $4.40 — Repriced to match o3-mini at its launch; date corroborated by archived openai.com/api/pricing data model (updatedAt 2025-01-31T19:07:33Z) openai.com/api/pricing
12 Sep 2024 $3.00 $12.00 — Launch pricing openai.com/api/pricing

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