This model always redirects to the latest model in the OpenAI GPT Luna family.
With CoreAI, you can start chatting with OpenAI GPT Luna Latest instantly — no separate subscription needed. CoreAI lets you chat with OpenAI GPT Luna Latest alongside 300+ other AI models from ~openai and other providers like OpenAI, Anthropic, Google, Meta, and more.
Measured against all 426 chat models CoreAI serves, OpenAI GPT Luna Latest sits at #3 for context capacity — 1.1M tokens, roughly 787,500 words or 1,575 pages of text in a single conversation. On price, it is the #10 cheapest of 201 standard-tier models by input cost. Released 2026-09-11, it is one of the 4 newest additions to the catalog. 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 GPT Luna Latest and OpenAI GPT Mini Latest side by side to judge with your own eyes.
A typical question (about 1,000 tokens in, 500 out) runs $0.00080 on OpenAI GPT Luna Latest's raw per-token rates; a heavy session with a 50K-token document costs about $0.016. On CoreAI you don't juggle these numbers — one subscription covers OpenAI GPT Luna Latest and 300+ other models under a plan usage limit, with no API keys. See plans.
OpenAI GPT Luna Latest handles 1.1M tokens of context — roughly 787,500 words, or about 1,575 pages of text in one conversation.
OpenAI GPT Luna Latest's underlying rates are $0.2 per 1M input tokens and $1.2 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 Luna Latest accepts image input, so you can attach screenshots, photos or diagrams and ask questions about them.
Yes. OpenAI GPT Luna Latest 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 GPT Luna Latest in the model selector, and chat — no API key, no per-token billing. One subscription covers OpenAI GPT Luna Latest and 300+ other models.
The closest alternatives on CoreAI are OpenAI GPT Mini Latest, OpenAI: GPT-5.6 Luna Pro, OpenAI: GPT-5 Nano (batch) — 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 GPT Luna Latest and 300+ other AI models — all in one app.