OpenAI Launches GPT-6 Sol and Luna After Anthropic Releases Claude Opus 5.5
OpenAI Releases New Models Hours After Anthropic Update
OpenAI has launched two new AI models called GPT-6 Sol and Luna. The launches came minutes after Anthropic released its own model, Claude Opus 5.5, according to Decrypt.
This timing suggests a rapid exchange of releases between the two major AI companies. The specific capabilities and features of each model were not detailed in the available source material.
Key Points
- OpenAI launched GPT-6 Sol and Luna.
- Anthropic released Claude Opus 5.5 shortly before OpenAI's announcements.
- The launches happened in close succession on September 22, 2026.
What Is Confirmed
OpenAI launched GPT-6 Sol and Luna. Anthropic released Claude Opus 5.5 before those launches. The events occurred on or around September 22, 2026, based on the publication timestamp of the Decrypt report.
What Is Still Unclear
The source material does not provide details on what GPT-6 Sol and Luna can do, how they differ from previous models, pricing, availability, or technical specifications. No quotes from OpenAI or Anthropic were included in the available source, and the body of the original article was not accessible beyond the headline and publication metadata.
Sources
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