o3-2025-04-16 - In-Depth Overview

OpenAI · o3

Current

Flagship

Latest in family

Model ID: o3-2025-04-16

Get all the details on o3-2025-04-16, an AI model from OpenAI. This page covers its token limits, pricing structure, key capabilities such as code_interpretation, web_browsing_via_tool, streaming, available API code samples, and performance strengths.

Key Metrics

Input Limit

200K tokens

Output Limit

100K tokens

Input Cost

$10.00/1M

Output Cost

$40.00/1M

Sample API Code

from openai import OpenAI
client = OpenAI()
response = client.chat.completions.create(model="o3-2025-04-16", messages=[{"role": "user", "content": "Hello world"}])
print(response.choices[0].message.content)

Required Libraries

openai

Benchmarks

Benchmark	Score	Source	Notes
lmarena text	1409	OpenLLM Leaderboard	Rank 2 overall
lmarena webdev	1190	OpenLLM Leaderboard	Rank 7 overall
lmarena vision	1303	OpenLLM Leaderboard	Rank 2 overall
gpqa	83.3%	Vellum	Best in Reasoning (GPQA Diamond)
aime 2024	91.6%	Vellum	Best in High School Math (AIME 2024)
swe bench	69.1%	Vellum	Best in Agentic Coding (SWE Bench)
livebench global average	80.71	LiveBench	Score for 'o3 High'
livebench reasoning average	93.33	LiveBench	Score for 'o3 High'
livebench coding average	76.71	LiveBench	Score for 'o3 High'
livebench mathematics average	85.00	LiveBench	Score for 'o3 High'
livebench data analysis average	67.02	LiveBench	Score for 'o3 High'
livebench language average	76.00	LiveBench	Score for 'o3 High'
livebench if average	86.17	LiveBench	Score for 'o3 High'

Notes

o3 is a well-rounded and powerful model across domains. It sets a new standard for math, science, coding, and visual reasoning tasks. It also excels at technical writing and instruction-following. Use it to think through multi-step problems that involve analysis across text, code, and images.