Anthropic is reportedly preparing to release Claude Opus 5.5, codenamed "claude-wafer-eap," in secret closed beta testing, with a possible stealth launch this Tuesday, according to developer Lyra. The next-generation version number jumps straight to 5.5, targeting GPT-6, and is rumored to outperform gpt-6-sol and leave Astra far behind. A leaked pricing sheet lists 4 USD for 1 million tokens of input and 20 USD for 1 million tokens of output. Claude Fable 5.2 is also being prepared quietly. The article says Anthropic must launch a blockbuster model before its IPO to restore market confidence. This comes as GPT-6 Sol and Gemini 4 Pro hold their "gray test" in the same week. On July 24, Claude Opus 5 was officially released; a test checkpoint of version 5.2 briefly appeared before jumping to 5.5. Developer Harshith said Opus 5.5 is "far better than the previous Fable 5.1 and Astra," generating a 3D model of the Waymo self-driving car with details such as the Jaguar logo and lidar sensor, at half the cost of Opus 5, with input of only 1.4k, output of 532k, and cache of 41.2M read + 1.7M write. Developer Veee tested a