AI Intelligence Brief: Frontier Launches of GPT-6 Sol/Luna and Claude Opus 5.5

OpenAI and Anthropic unveiled major frontier model updates simultaneously, launching GPT-6 Sol, GPT-6 Luna, and Claude Opus 5.5 with 1-million-token context windows, enhanced coding capabilities, and substantial API cost cuts.

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AI Intelligence Brief: Frontier Launches of GPT-6 Sol/Luna and Claude Opus 5.5 | Gauss Labs News