OpenAI o3-mini-high is the same model as [o3-mini](/openai/o3-mini) with reasoning_effort set to high. o3-mini is a cost-efficient language model optimized for STEM reasoning tasks, particularly excelling in science, mathematics, and...
With CoreAI, you can start chatting with OpenAI: o3 Mini High instantly — no separate subscription needed. CoreAI lets you chat with OpenAI: o3 Mini High alongside 300+ other AI models from OpenAI and other providers like OpenAI, Anthropic, Google, Meta, and more.
Measured against all 392 chat models CoreAI serves, OpenAI: o3 Mini High sits at #237 for context capacity — 200K tokens, roughly 150,000 words or 300 pages of text in a single conversation. On price, it is the #131 cheapest of 183 standard-tier models by input cost. It joined the catalog on 2025-02-12. It supports step-by-step reasoning (thinking mode).
Every model in this table is available on CoreAI — open the web app and run the same prompt through OpenAI: o3 Mini High and OpenAI: o4 Mini High side by side to judge with your own eyes.
A typical question (about 1,000 tokens in, 500 out) runs $0.00330 on OpenAI: o3 Mini High's raw per-token rates; a heavy session with a 50K-token document costs about $0.077. On CoreAI you don't juggle these numbers — one subscription covers OpenAI: o3 Mini High and 300+ other models under a plan usage limit, with no API keys. See plans.
OpenAI: o3 Mini High handles 200K tokens of context — roughly 150,000 words, or about 300 pages of text in one conversation.
OpenAI: o3 Mini High's underlying rates are $1.1 per 1M input tokens and $4.4 per 1M output tokens. On CoreAI it is included in one subscription alongside 300+ models, so there is no per-token billing to manage.
No — OpenAI: o3 Mini High is text-only. If you need image understanding, its standard-tier peers with vision are listed in the comparison table above.
Yes. OpenAI: o3 Mini High can work through problems step by step before answering; on CoreAI you can toggle thinking mode per message.
Open the CoreAI web app or the iOS/Android app, pick OpenAI: o3 Mini High in the model selector, and chat — no API key, no per-token billing. One subscription covers OpenAI: o3 Mini High and 300+ other models.
The closest alternatives on CoreAI are OpenAI: o4 Mini High, Anthropic Claude Haiku Latest, inclusionAI: Ling-2.6-flash — similar tier and capability. The fastest way to choose is running one prompt through them side by side in CoreAI's Compare view.
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