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Opus 5.5 just gave Astra 6 a reason to worry. Anthropic’s new Terminal-Bench 4.0 chart puts the stronger Opus 5.5 settings ahead of GPT-6 Astra in agentic terminal coding. Anthropic says the model also completes tasks around 30% faster and 40% cheaper than Opus 5, while matching Fable 5.1 on most tasks. That’s Anthropic’s comparison, so independent testing still matters. But cheaper, faster and higher on the chart is a pretty good reason to look at another model #Claude #Opus55 #Anthropic #Astra6 #AI