OpenAI: o3

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....

Pricing and specs

Provideropenai
Input price$2.00 / 1M tokens
Output price$8.00 / 1M tokens
Context window200k tokens
Max output100k tokens
Modalitiesimage, text, file
Model IDopenai/o3

What a typical call costs

A 1,000-token prompt with a 500-token answer on OpenAI: o3 costs roughly $0.00600. Use the OpenRouter cost calculator to price your own prompt across 400+ models, or the token counter to measure prompt length first.

Run your prompts on OpenAI: o3

PromNest stores your prompt library and lets you run any prompt on OpenAI: o3 with your own OpenRouter key — including side-by-side comparison with other models. Browse 1,000+ ready-made prompt templates to start.

Alternatives from openai

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