OpenAI's flagship model, GPT-4 is a large-scale multimodal language model capable of solving difficult problems with greater accuracy than previous models due to its broader general knowledge and advanced reasoning...
With CoreAI, you can start chatting with OpenAI: GPT-4 instantly — no separate subscription needed. CoreAI lets you chat with OpenAI: GPT-4 alongside 300+ other AI models from OpenAI and other providers like OpenAI, Anthropic, Google, Meta, and more.
OpenAI: GPT-4 holds the #422 spot for context size out of 427 chat models in the CoreAI catalog — 8K tokens, roughly 6,143 words or 12 pages of text in a single conversation. On price, it is the #61 cheapest of 64 premium-tier models by input cost. It joined the catalog on 2023-05-28.
Every model in this table is available on CoreAI — open the web app and run the same prompt through OpenAI: GPT-4 and OpenAI: GPT-5.5 Pro side by side to judge with your own eyes.
A typical question (about 1,000 tokens in, 500 out) runs $0.0600 on OpenAI: GPT-4's raw per-token rates; a heavy session with a 50K-token document costs about $1.800. On CoreAI you don't juggle these numbers — one subscription covers OpenAI: GPT-4 and 300+ other models under a plan usage limit, with no API keys. See plans.
OpenAI: GPT-4 handles 8K tokens of context — roughly 6,143 words, or about 12 pages of text in one conversation.
OpenAI: GPT-4's underlying rates are $30 per 1M input tokens and $60 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: GPT-4 is text-only. If you need image understanding, its premium-tier peers with vision are listed in the comparison table above.
No — OpenAI: GPT-4 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-4 in the model selector, and chat — no API key, no per-token billing. One subscription covers OpenAI: GPT-4 and 300+ other models.
The closest alternatives on CoreAI are OpenAI: GPT-5.5 Pro, Perplexity: Sonar Pro, 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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