OpenAI: o3

OpenAI: o3

openai · Released Apr 16, 2025 Professional
Intelligence #40 / 556
75.7 Our Score
Speed #115 / 257
100.0 tokens / sec
Input #467 / 557
$2.00 per 1M tokens
Output #471 / 557
$8.00 per 1M tokens
Context #183 / 557
200,000 tokens

Analysis Summary

OpenAI: o3 sits in the Professional tier on our leaderboard, ranked #40 of 556 published models on overall intelligence. At $2.00 input and $8.00 output per 1M tokens, it is among the most expensive on the market. It offers a generous context window for extended reasoning and code review and supports tool use, function calling, vision, and reasoning.

Editorial notes

OpenAI o3 posts world-class agentic, math, and coding scores with vision, tool use, function calling, and file support at $2/$8 per million tokens, making it a top-tier choice for complex reasoning and agentic workflows.

Assessed May 14, 2026

Rankings consider pricing, capabilities, benchmarks, and real-world applicability and are refreshed as new models launch. Feedback?

Performance Profile

Intelligence7Technical7.4Value6.5Content8
Intelligence 7/10
Technical 7.4/10
Content 8/10
Value 6.5/10

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..

Capabilities

Tool Use Function Calling Vision

Performance Indices

Source: Artificial Analysis

38.4 Intelligence Index
38.4 Coding Index
58.9 Agentic Index
88.3 Math Index

Benchmark Scores

Intelligence

GPQA Diamond 82.7% Graduate-level scientific reasoning
HLE 20% Humanity's Last Exam
MMLU Pro 85.3% Multi-task language understanding
MATH 500 99.2% Mathematical problem-solving
AIME 90.3% Competition mathematics
AIME 2025 88.3% Competition mathematics (2025)
SciCode 41% Scientific computing

Technical

LiveCodeBench 80.8% Live coding evaluation
TerminalBench Hard 37.1% Agentic terminal tasks
τ²-Bench 80.7% Conversational agent benchmark

Content

IFBench 71.4% Instruction following
LCR 69.3% Long-context reasoning

Benchmark data from Artificial Analysis and Hugging Face

How does OpenAI: o3 stack up?

Compare side-by-side with other professional models.

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Model Information

OpenRouter ID openai/o3
Provideropenai
Model Familyo3
Release Date April 16, 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.

100%
Avg Uptime
5,429ms
Best Latency (TTFT)
119 tok/s
Best Throughput
1/1
Active Endpoints
Available via: OpenAI

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