Coding Sessions Are Longer and Use More Context. Claude Opus 5.5 Is Built With That in Mind.
Anthropic, Thursday, September 24th, 2026
Anthropic detailed how Claude Opus 5.5 cuts coding costs about 40% through cheaper caching and fewer turns per task.
Anthropic detailed how Claude Opus 5.5 delivers roughly 40% cost savings versus Opus 5, with the biggest gains in long, context-heavy coding sessions.
The savings come from three factors: cached token pricing that is 60% cheaper than before, improved cache retention within Claude Code, and fewer turns needed to complete complex tasks.
Anthropic cited usage data showing developers now work with the model 3.3 times longer per prompt and use 2.6 times more context per request. The company frames the shift as reflecting how development has moved toward sophisticated, open-ended agentic work rather than simple mechanical tasks.