o3

Overview

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....

Best for

Best for
Hard reasoning and verification steps in agent pipelines

Use cases

• plan-then-act agents
• math/logic checks
• code verification

How to use / API access

Call via OpenRouter with model id `openai/o3`.

• openrouter · openai/o3 Docs

OpenRouter id: openai/o3

Benchmarks

• Design Arena codecategories (other) : 1057 elo · #92
• Design Arena dataviz (other) : 1200 elo · #49
• Design Arena gamedev (other) : 1093 elo · #83
• Design Arena uicomponent (other) : 1059 elo · #85

Enterprise DNA angle

Omni can stage o3 as a judge or planner while cheaper models do the volume work.

Notes

o3 is listed in the EDNA Models directory from the OpenRouter catalogue.