feat(models): add GPT-6 Sol and Luna

[waleedlatif1]

Summary

• Add GPT-6 Sol and Luna to the hosted OpenAI catalog with documented pricing, long-context tiers, token limits, and reasoning controls.
• Mark Luna as speed optimized, retain Astra as the recommended model, and regenerate Agent streaming docs.
• Verify model metadata against OpenAI Sol docs, Luna docs, and the OpenRouter pricing catalog.

Type of Change

• New feature

Testing

395 focused provider tests passed, including billing at the long-context threshold with cache reads and writes. Full lint, 47 repo audits, block registry validation, and docs manifest checks passed. All workspace type-checks passed.

Checklist

• Code follows project style guidelines
• Self-reviewed my changes
• Tests added/updated and passing
• No new warnings introduced
• I confirm that I have read and agree to the terms outlined in the Contributor License Agreement (CLA)

[vercel]

The latest updates on your projects. Learn more about Vercel for GitHub.

Project	Deployment	Actions	Updated
docs	Ready	Preview	Sep 22, 2026 6:56pm UTC

[cubic-dev-ai]

No issues found across 5 files

Confidence score: 5/5

• Automated review surfaced no issues in the provided summaries.
• No files require special attention.

_{Re-trigger cubic}

[greptile-apps]

Confidence Score: 5/5

The PR appears safe to merge with no actionable correctness, security, documentation, or repository-rule issues identified.

Summary

This PR adds GPT-6 Sol and GPT-6 Luna to the hosted OpenAI model catalog and integrates them with billing and generated streaming documentation.

• Defines pricing, long-context tiers, token limits, reasoning controls, and Luna's speed-optimized designation.
• Adds catalog, hosted-billing, and long-context pricing coverage.
• Updates Agent documentation to list both models under OpenAI summarized-thinking support.

_{Reviews (1) · Last reviewed commit: "feat(models): add GPT-6 Sol and Luna"}