OpenAI: o4 Mini Deep Research

OpenAI: o4 Mini Deep Research

openai · Released Oct 10, 2025
65
Our Score

o4-mini-deep-research is OpenAI's faster, more affordable deep research model—ideal for tackling complex, multi-step research tasks. Note: This model always uses the 'web_search' tool which adds additional cost.

$2.00 / 1M Input Price
$8.00 / 1M Output Price
200,000 tokens Context Window
100,000 tokens Max Output

Capabilities

Tool Use Function Calling Vision

Architecture

ModalityText + Image + File → Text
TokenizerGPT

Performance Indices

Source: Artificial Analysis

33 Intelligence Index
25.6 Coding Index
90.7 Math Index

Benchmark Scores

Evaluations

GPQA Diamond 78.4%
Graduate-level scientific reasoning
HLE 17.5%
Humanity's Last Exam
MMLU Pro 83.2%
Multi-task language understanding
LiveCodeBench 85.9%
Live coding evaluation
SciCode 46.5%
Scientific computing
MATH 500 98.9%
Mathematical problem-solving
AIME 94%
Competition mathematics

Benchmark data from Artificial Analysis and Hugging Face

Model Information

OpenRouter ID openai/o4-mini-deep-research
Provideropenai
Release Date October 10, 2025
Context Length200,000 tokens
Max Completion100,000 tokens
Status Active

Pricing

Token Type Cost per 1M tokens Cost per 1K tokens
Input $2.00 $0.002000
Output $8.00 $0.008000

Live Performance

Live endpoint metrics — refreshed every 30 minutes.

274ms
Best Latency (TTFT)
43.5 tok/s
Best Throughput
0/1
Active Endpoints
Available via: OpenAI

Leaderboard Categories