Anthropic is reportedly testing Claude Opus 5.5, codenamed claude-wafer-eap, with a potential Tuesday release. Priced at $4 per million input tokens and $20 per million output, this 20% cost reduction aims to target GPT-6 and lower enterprise long-context costs. Developer tests highlight significant 3D generation improvements, including detailed Waymo car models and web-based interfaces, alongside updates to the Fable model which shows enhanced capabilities in generating complex 3D scenes and game elements without detailed prompts.