# OpenAI Launches GPT-6 Sol and Luna for Cost-Efficient AI

> OpenAI releases GPT-6 Sol and Luna to cut AI costs while maintaining high performance for everyday tasks.
- Title: OpenAI Launches GPT-6 Sol and Luna for Cost-Efficient AI
- Summary: OpenAI releases GPT-6 Sol and Luna to cut AI costs while maintaining high performance for everyday tasks. OpenAI introduces GPT-6 Sol and Luna models that…
- Keywords: gpt-6, sol, luna, openai, api, cost, coding, factuality, computer use, technology, startups, Launches
- Source: OpenAI — https://openai.com/index/introducing-gpt-6-sol-and-luna
- Read time: 2 min
- Topics: gpt-6, sol, luna, openai, api, cost, coding, factuality, computer use, ai, technology, startups
## New GPT-6 Models Launch
OpenAI introduces GPT-6 Sol and Luna to expand the GPT-6 family with cost-efficient intelligence for everyday work tasks.
## Cost Efficiency Focus
GPT-6 Sol and Luna reduce API prices by 50% compared to GPT-5.6 promotional pricing for input and output tokens.
## Professional Work Performance
GPT-6 Sol outperforms Claude Opus 5 at 9% of its cost per task on AutomationBench for business workflows.
## Factuality Improvements
GPT-6 Sol makes half as many factual errors as its predecessor, approaching Astra-level reliability at lower cost.
## Coding Capabilities
GPT-6 Sol improves coding performance on FrontierCode and DeepSWE tests while reducing costs by up to 80% per task.
## Computer Use Efficiency
GPT-6 Sol matches Claude Opus 5 at 80% lower cost per task on OSWorld 2.0 for computer workflows.
## Collaboration Style
GPT-6 Sol provides clearer, more concise responses with fewer jargon and low-value details in technical conversations.
## Prompt Caching Improvements
OpenAI enhances prompt caching to reduce fresh processing by 50% across billions of requests for developers.
## Alignment Progress
GPT-6 Sol and Luna show improved alignment over GPT-5.6 with lower rates of misleading claims about coding work.
## Availability Details
GPT-6 Sol and Luna available in ChatGPT Work and Codex for Plus, Pro, Business, Enterprise, and Edu users starting today.
## Model Pricing Comparison
GPT-6 Sol costs $2 per million tokens versus $4 for GPT-5.6, and GPT-6 Luna costs $0.10 versus $0.20 for GPT-5.6.
## Real-World Example
GPT-6 Sol reshapes website layouts without needing React, using native page transitions for smoother performance.
## Gradual Rollout Plan
OpenAI rolls out GPT-6 Sol and Luna gradually in ChatGPT Work and Codex throughout the day to ensure stable service.
## Next Steps
Developers can monitor caching performance and optimize their applications using the Prompt Caching Dashboard and diagnostics tools.
## Key takeaway

OpenAI introduces GPT-6 Sol and Luna models that reduce API costs by 50% compared to GPT-5.6 while improving performance in coding, factuality, and computer use.