OpenAI o4-mini is a compact reasoning model in the o-series, optimized for fast, cost-efficient performance while retaining strong multimodal and agentic capabilities. It supports tool use and demonstrates competitive reasoning...
With CoreAI, you can start chatting with OpenAI: o4 Mini instantly — no separate subscription needed. CoreAI lets you chat with OpenAI: o4 Mini alongside 300+ other AI models from OpenAI and other providers like OpenAI, Anthropic, Google, Meta, and more.
Measured against all 412 chat models CoreAI serves, OpenAI: o4 Mini sits at #261 for context capacity — 200K tokens, roughly 150,000 words or 300 pages of text in a single conversation. On price, it is the #144 cheapest of 198 standard-tier models by input cost. It joined the catalog on 2025-04-16. It supports step-by-step reasoning (thinking mode) and accepts image input.
Every model in this table is available on CoreAI — open the web app and run the same prompt through OpenAI: o4 Mini 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: o4 Mini'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: o4 Mini and 300+ other models under a plan usage limit, with no API keys. See plans.
OpenAI: o4 Mini handles 200K tokens of context — roughly 150,000 words, or about 300 pages of text in one conversation.
OpenAI: o4 Mini'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.
Yes — OpenAI: o4 Mini accepts image input, so you can attach screenshots, photos or diagrams and ask questions about them.
Yes. OpenAI: o4 Mini 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: o4 Mini in the model selector, and chat — no API key, no per-token billing. One subscription covers OpenAI: o4 Mini and 300+ other models.
The closest alternatives on CoreAI are OpenAI: o4 Mini High, Anthropic Claude Haiku Latest, IBM: Granite 4.0 Micro — 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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