TREE NEWS update: Anthropic released Claude Opus 5.5 across AWS, Google Cloud and Microsoft Azure, priced at $4 per million input tokens and $20 per million output tokens. Because the model costs less than Opus 5, five-hour and weekly usage limits rise 25%, and five-hour Opus 5.5 limits for all subscription plans increase 20%. Anthropic said Opus 5.5 matches Claude Opus 5.1 on most tasks at roughly 40% lower running cost, with Claude Sonnet 5.5 and Claude Haiku 5.5 due in coming weeks.
Anthropic Launches Claude Opus 5.5 Across AWS, Google Cloud and Azure
The significance here is less the model itself than the pricing and quota mechanics: a cheaper Opus tier that lifts usage limits effectively lowers the cost of running frontier-class workloads, which matters most to teams already committed to Anthropic's stack rather than to buyers comparing vendors. Multi-cloud availability across AWS, Google Cloud and Azure also reduces the friction of standardising on one provider. The open question is whether this price-performance step forces comparable moves from rival model makers, and whether the promised Sonnet and Haiku releases extend the same economics down the stack.
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