Anthropic has introduced Claude Opus 5.5, a new AI model that delivers performance comparable to Claude Fable 5.1 while reducing operational costs by about 40 percent compared to its predecessor, Opus 5, according to The Decoder.

Benchmark tests cited by The Decoder also reveal that Claude Opus 5.5 surpasses OpenAI’s GPT-6 Astra on most tasks, despite being significantly more affordable to run. This development signals a strong competitive push in the AI model landscape ahead of the expected releases of Sonnet 5.5 and Haiku 5.5 in the coming weeks.

For Japanese markets, where cost efficiency and advanced AI integration are increasingly pivotal across FX, crypto, and equities trading platforms, Anthropic’s latest offering could influence technology adoption strategies among local financial institutions.