Rumor: Anthropic Launches Claude Opus 5.5, 40% Cheaper Than Opus 5 — Unconfirmed
emmanuelvivier · x · 2026-09-23
Per an unconfirmed X brief, Anthropic has released Claude Opus 5.5, 40% cheaper to run than Opus 5 and reportedly matching 'Fable 5.1'. Related rumors claim OpenAI launched GPT-6 (Sol and Luna) at half the price with fewer coding and computer-use errors. Treat as unverified.
Related event: Claude Opus 5.5 Spotted in Claude Code Ahead of Imminent Launch(8 posts)→
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