OpenAI: o3 Mini

Public pricingIntelligence 78/100Large memory่ฆ–่ฆšๆทฑใ„ๆ€่€ƒใƒ„ใƒผใƒซๅˆฉ็”จ

OpenAI: o3 Mini ใฏ ใƒžใƒซใƒใƒขใƒผใƒ€ใƒซ ใƒขใƒ‡ใƒซใงใ€ใ‚ณใƒผใƒ‡ใ‚ฃใƒณใ‚ฐใ€ใƒ‡ใƒใƒƒใ‚ฐใ€ๆŠ€่ก“ไฝœๆฅญ ใซๅ‘ใ„ใฆใ„ใพใ™ใ€‚ใƒžใƒซใƒใƒขใƒผใƒ€ใƒซๅ…ฅๅŠ›ๅ‡ฆ็†ใ€้ซ˜ใ„ใ‚ณใƒผใƒ‡ใ‚ฃใƒณใ‚ฐๆ€ง่ƒฝใ€200K tokensใฎใ‚ณใƒณใƒ†ใ‚ญใ‚นใƒˆใ€ใƒใƒฉใƒณใ‚นๅž‹ใ‚ณใ‚นใƒˆใฎ็‰นๆ€งใ‚’็ต„ใฟๅˆใ‚ใ›ใ€coding, debugging, and technical writing ใงๅฎ‰ๅฎšใ—ใŸๅ‹•ไฝœใ‚’ๆ”ฏใˆใพใ™ใ€‚้…ๅปถใƒปใ‚ณใ‚นใƒˆใƒปใ‚นใƒซใƒผใƒ—ใƒƒใƒˆ ใŒ้‡่ฆใชๅ ด้ขใซๅˆใฃใฆใŠใ‚Šใ€ๅฎ‰ๅฎšใ—ใŸๅ‡บๅŠ›ใ€ๆŸ”่ปŸใชๅฐŽๅ…ฅใ€ๆ‹กๅผตๆ€งใ‚’ๆฑ‚ใ‚ใ‚‹ใƒใƒผใƒ ใซๅฎŸ็”จ็š„ใงใ™ใ€‚ ๅฎ‰ๅฎšใ—ใŸๅฟœ็ญ”ใ€้•ทใ„ๆ–‡่„ˆๅ‡ฆ็†ใ€ใใ—ใฆ่ฉฆไฝœใ‹ใ‚‰ๆœฌ็•ชใพใงๅบƒใไฝฟใˆใ‚‹ๆŸ”่ปŸใ•ใŒๅฟ…่ฆใชๅ ด้ขใงๅฝน็ซ‹ใกใพใ™ใ€‚ ๅฎ‰ๅฎšใ—ใŸๅฟœ็ญ”ใ€้•ทใ„ๆ–‡่„ˆๅ‡ฆ็†ใ€ใใ—ใฆ่ฉฆไฝœใ‹ใ‚‰ๆœฌ็•ชใพใงๅบƒใไฝฟใˆใ‚‹ๆŸ”่ปŸใ•ใŒๅฟ…่ฆใชๅ ด้ขใงๅฝน็ซ‹ใกใพใ™ใ€‚ ๅฎ‰ๅฎšใ—ใŸๅฟœ็ญ”ใ€้•ทใ„ๆ–‡่„ˆๅ‡ฆ็†ใ€ใใ—ใฆ่ฉฆไฝœใ‹ใ‚‰ๆœฌ็•ชใพใงๅบƒใไฝฟใˆใ‚‹ๆŸ”่ปŸใ•ใŒๅฟ…่ฆใชๅ ด้ขใงๅฝน็ซ‹ใกใพใ™ใ€‚

Input

$1.10/1M

Output

$4.40/1M

Cached

$0.55/1M

Batch

$0.55/1M

Calculate your o3 Mini bill.

Set your workload โ€” see cost at your exact volume.

What would o3 Mini cost you?

Adjust the workload to see your monthly bill.

1,00010,00050,000250,0001M10M

Technical specifications

o3 Mini at a glance.

Memory

200,000

tokens

Max reply

100,000

tokens

Memory tier

Large

an entire book or large codebase

Tokenizer

tiktoken-o200k

Released

Jan 2025

Training cutoff

Oct 2023

Availability

Public pricing

Status

active

Benchmarks

Quality benchmarks

Independent evaluations from public leaderboards. Higher is better.

  • frontiermath_tier_4

    4.17
  • gpqa_diamond

    74.8
  • livecodebench

    71.7
  • mmlu

    79.1
  • scipredict

    19.84

What it can do

Capabilities & limits.

  • Understands images
  • Deep step-by-step thinking
  • Uses tools / calls functions
  • Strict JSON output
  • Streams replies
  • Fine-tunable on your data

When to pick o3 Mini

  • Multi-step reasoning, research agents, or hard math.
  • Screenshot analysis, image understanding, or document OCR.
  • Agentic workflows that call tools or APIs.
  • Long documents, full codebases, or extensive chat histories.

When to look elsewhere

  • Very latency-sensitive, real-time apps where every millisecond counts.

FAQ

o3 Mini โ€” the questions we see most.

Pricing, capabilities, alternatives โ€” generated from the same data that powers the calculator above.

Get instant answers from our AI agent

At a typical workload of 50,000 conversations a month with 1,500-token prompts and 800-token replies, o3 Mini costs roughly $259 per month. Input is $1.10 /1M tokens and output is $4.40 /1M tokens.
o3 Mini has a 200,000-token context window (large memory โ€” an entire book or large codebase). That means you can fit about 37,500 words of input and history in a single call.
Beyond text generation, o3 Mini supports understanding images, deep step-by-step reasoning, calling functions / tools, strict JSON output. It streams replies by default.
o3 Mini was released in January 2025, with training data cut off around October 2023.
Models in a similar class include o3 Mini High, o4 Mini, o4 Mini High. The "Similar models" section below this FAQ links into each.

Still unsure?

Compare o3 Mini against 100+ other models.

Open the full wizard โ€” pick a use case, set your usage, and see side-by-side monthly costs in under a minute.