Model

OpenAI o3-mini (Low)

CLOSED

OpenAI · o3 family · released Jan 31, 2025

Low reasoning-effort setting: fastest/cheapest of the three o3-mini configurations.

ReasoningCodingVisionFunction callingTool useAgentic

1334.3

Elo · rank #150

Parameters

Undisclosed

Active params

—

Context

200K tokens

Architecture

Dense transformer reasoning model (size undisclosed)

License

Proprietary

Languages

—

API price (in/out)

$1.1 / $4.4

Modalities

text

Benchmark results

Bar shows position within the tracked field; marker = field best

AIMEMath60.0%#111

best: GPT-5.2 · 100.0%

CodeforcesCoding1831#26

best: DeepSeek-V4-Pro (Think Max) · 3206

DROPReasoning77.6#35

best: Hunyuan-T1 · 93.1

GPQA DiamondReasoning70.6%#124

best: GPT-5.6 · 94.6%

HumanEvalCoding94.5%#7

best: Claude Opus 4.5 · 99.4%

MATH-500Math95.8%#31

best: GPT-5 · 99.4%

MGSMMath89.4%#15

best: OpenAI o4-mini · 93.7%

MMLUKnowledge84.9%#60

best: OpenAI o3 · 92.9%

SimpleQAKnowledge13.0%#31

best: GPT-4.5 · 62.5%

SWE-bench VerifiedCoding40.8%#103

best: Claude Fable 5 · 95.0%

Run it locally

Closed weights — available via API only. No local deployment.

Input / M tok

$1.1

Output / M tok

$4.4

o3 family

Elo progression across releases

OpenAI o3-mini (High)Jan 20251653.0 OpenAI o3-mini (Low)Jan 20251334.3 OpenAI o3-mini (Medium)Jan 20251485.5 OpenAI o3Apr 20251926.8 OpenAI o3-proJun 20252103.6

Resources

DOCSdevelopers.openai.com/api/docs/models/o3-mini APIAvailable via OpenAI API

API price $1.1/$4.4 · each benchmark row carries its own source badge (see methodology)