# Microsoft — GPT-6 Astra, Sol, and Luna: For production agents in Microsoft Foundry

- Company: Microsoft (microsoft.com)
- Announced: 2026-09-22T18:30:00+00:00
- Category: not stated
- Coverage: not counted
- Announcement: yes
- Group: announcements
- Source: https://azure.microsoft.com/en-us/blog/gpt-6-astra-sol-and-luna-for-production-agents-in-microsoft-foundry/
- Record: https://forck.live/items/13754-gpt-6-astra-sol-and-luna-for-production-agents-in-microsoft-foundry
- Subject: Azure AI
- Models affected: GPT-6 Astra, GPT-6 Sol, GPT-6 Luna
- Context window: Short context, Long context
- Pricing: GPT-6 Astra: Global Standard Short context $10.00 input / $1.00 cached input / $12.50 cached writes / $50.00 output; Long context $20.00 input / $2.00 cached input / $25.00 cached writes / $75.00 output. Data Zone Standard (US) Short context $11.00 input / $1.10 cached input / $13.75 cached writes / $55.00 output; Long context $22.00 input / $2.20 cached input / $27.50 cached writes / $82.50 output. Data Zone Standard (EU) Short context $12.00 input / $1.20 cached input / $15.00 cached writes / $60.00 output; Long context $24.00 input / $2.40 cached input / $30.00 cached writes / $90.00 output. GPT-6 Sol: Global Standard Short context $2.00 input / $0.20 cached input / $2.50 cached writes / $10.00 output; Long context $4.00 input / $0.40 cached input / $5.00 cached writes / $15.00 output. Data Zone Standard (US) Short context $2.20 input / $0.22 cached input / $2.75 cached writes / $11.00 output; Long context $4.40 input.

Today, we are expanding our GPT-6 series by welcoming GPT-6 Sol and GPT-6 Luna to our generally available lineup in Microsoft Foundry . Building on the exceptional customer momentum of GPT-5.6 Sol and GPT-6 Astra , this launch continues our work to deliver transformative capabilities in Microsoft Foundry that produce less noise and are more capable at completing full tasks with agents . Explore GPT models in Foundry today Astra brings advanced reasoning , software engineering and computer use to demanding work that requires both judgment and action. Azure customers report a step-change in capabilities, and strong cost-to-performance with the model using fewer, higher-value tokens to drive agents. Completing the lineup, GPT-6 Sol is excellent for general-purpose use, while Luna brings efficient intelligence to high-volume data and preparatory work. Put the right intelligence behind every agent The right model for a job should be determined through evaluations: an agent handling a complex business decision and one routing routine requests have different needs. Microsoft recommends customers start with GPT-6 Astra for demanding work. …

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Record: https://forck.live/items/13754-gpt-6-astra-sol-and-luna-for-production-agents-in-microsoft-foundry
Catalogue: https://forck.live/llms.txt
Current issue: https://forck.live/feed.md