Resource detail

OpenAI o3

OpenAI's deep-reasoning model for math, science, and complex planning.

OverseasPaidChinese support

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At a glance

Pricing

Paid

Access

Platforms

Web

Chinese support

Yes

Last checked

2026-08-29

Popularity

88/100

Model background

Closed weights

o3 is OpenAI's deep-reasoning model optimized for math, science, coding, and multi-step planning that benefits from longer deliberation.

Why it mattered

o3 is OpenAI's deep-reasoning model optimized for math, science, coding, and multi-step planning that benefits from longer deliberation.

Official linkhttps://openai.com/index/introducing-o3-and-o4-mini/

Model capabilities

Multimodal ✓Reasoning ✓Coding ✓Tool use ✓Long context ✓

Context length

200K tokens

API price

USD 2 / 8 /1M tokens

Provider

openai

Typical use

Deep reasoningResearch assistance

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