The o1 series of models are trained with reinforcement learning to think before they answer and perform complex reasoning. The o1-pro model uses more compute to think harder and provide...
With CoreAI, you can start chatting with OpenAI: o1-pro instantly — no separate subscription needed. CoreAI lets you chat with OpenAI: o1-pro 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: o1-pro 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 #64 cheapest of 64 premium-tier models by input cost. It joined the catalog on 2025-03-19. 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: o1-pro and OpenAI: o1-pro (batch) side by side to judge with your own eyes.
A typical question (about 1,000 tokens in, 500 out) runs $0.4500 on OpenAI: o1-pro's raw per-token rates; a heavy session with a 50K-token document costs about $10.500. On CoreAI you don't juggle these numbers — one subscription covers OpenAI: o1-pro and 300+ other models under a plan usage limit, with no API keys. See plans.
OpenAI: o1-pro handles 200K tokens of context — roughly 150,000 words, or about 300 pages of text in one conversation.
OpenAI: o1-pro's underlying rates are $15 per 1M input tokens and $6 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: o1-pro accepts image input, so you can attach screenshots, photos or diagrams and ask questions about them.
Yes. OpenAI: o1-pro 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: o1-pro in the model selector, and chat — no API key, no per-token billing. One subscription covers OpenAI: o1-pro and 300+ other models.
The closest alternatives on CoreAI are OpenAI: o1-pro (batch), Anthropic: Claude Opus 4.5, 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.
Chat with OpenAI: o1-pro and 300+ other AI models — all in one app.