GPT-4o ("o" for "omni") is OpenAI's latest AI model, supporting both text and image inputs with text outputs. It maintains the intelligence level of [GPT-4 Turbo](/models/openai/gpt-4-turbo) while being twice as...
With CoreAI, you can start chatting with OpenAI: GPT-4o instantly — no separate subscription needed. CoreAI lets you chat with OpenAI: GPT-4o 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: GPT-4o sits at #320 for context capacity — 128K tokens, roughly 96,000 words or 192 pages of text in a single conversation. On price, it is the #176 cheapest of 183 standard-tier models by input cost. It joined the catalog on 2024-05-13. It accepts image input alongside text.
Every model in this table is available on CoreAI — open the web app and run the same prompt through OpenAI: GPT-4o and OpenAI: GPT-5.6 Sol Pro (batch) side by side to judge with your own eyes.
A typical question (about 1,000 tokens in, 500 out) runs $0.00750 on OpenAI: GPT-4o's raw per-token rates; a heavy session with a 50K-token document costs about $0.175. On CoreAI you don't juggle these numbers — one subscription covers OpenAI: GPT-4o and 300+ other models under a plan usage limit, with no API keys. See plans.
OpenAI: GPT-4o handles 128K tokens of context — roughly 96,000 words, or about 192 pages of text in one conversation.
OpenAI: GPT-4o's underlying rates are $2.5 per 1M input tokens and $10 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: GPT-4o accepts image input, so you can attach screenshots, photos or diagrams and ask questions about them.
No — OpenAI: GPT-4o answers directly without an extended reasoning phase, which usually means faster responses.
Open the CoreAI web app or the iOS/Android app, pick OpenAI: GPT-4o in the model selector, and chat — no API key, no per-token billing. One subscription covers OpenAI: GPT-4o and 300+ other models.
The closest alternatives on CoreAI are OpenAI: GPT-5.6 Sol Pro (batch), DeepSeek: DeepSeek V3, inclusionAI: Ling-2.6-flash — similar capability. The fastest way to choose is running one prompt through them side by side in CoreAI's Compare view.
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