OpenAI
APIs and tools for building AI products
5.0•862 reviews•30K followers
APIs and tools for building AI products
5.0•862 reviews•30K followers
The most powerful platform for building AI products.
Build and scale AI experiences powered by industry-leading models and tools.
This is the 52nd launch from OpenAI. View more
GPT-6 Sol and and Luna
Launching today
GPT-6 Sol and Luna are fast, cost-efficient AI models for professional work, coding, computer use, and long-running agents. Built with advances from GPT-6 Astra, they deliver stronger factual accuracy and clearer collaboration while API prices are 50% lower than GPT-5.6. Choose Sol for demanding tasks and Luna for high-volume, everyday AI workloads.
Free Options
Launch Team
Gemini 2.5 Pro
Claude Code
GPT-6 Sol and Luna are OpenAI’s new fast, cost-efficient AI models for professional work, coding, computer use, and long-running agents.
What stands out here isn’t just another model release... it’s OpenAI putting speed, cost, and practical deployment front and center.
GPT-6 Sol and Luna bring the gains of GPT-6 Astra into two focused models:
Sol for demanding work and
Luna for high-volume, everyday AI workloads.
50% lower API pricing than GPT-5.6 makes advanced AI far more viable for startups, developers, and teams scaling agents.
OpenAI highlights stronger factual accuracy and clearer collaboration, not just benchmark claims.
Where it matters: coding, computer use, and long-running agents—areas where reliability and cost-per-task decide adoption.
My take: Luna could become the workhorse for routine automation, while Sol targets professional-grade workloads.