ENTERPRISE AIMonitorNEXT 12 MONTHS
Claude Opus 5.5, GPT-6 Sol, GPT-6 Luna, and a new price war
Simon Willison's Weblog
Factual evidence
What the source reports
Anthropic released Claude Opus 5.5 and OpenAI launched GPT-6 Sol and Luna, driving down API pricing for enterprise applications.
Inspect the evidence
- Inclusion basis
- Enterprise AI
- Publisher and source type
- Simon Willison's Weblog · ENTERPRISE AI
- Published by source
- 23 September 2026
- Collected by OneBench
- 23 Sept 2026, 03:01 UK
- Original headline
- Claude Opus 5.5, GPT-6 Sol, GPT-6 Luna, and a new price war ↗
Stored source excerpt
Yesterday was Grok 4.7 ( pelicans ) and MiMo v2.6 Flash/Pro ( more pelicans ). Today Anthropic released Claude Opus 5.5 , and around an…
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