Claude Opus 5.5 (Global)

The KFGO Reuters wire reports that Anthropic on Tuesday launched Claude Opus 5.5, a new AI model that delivers performance comparable to its top-tier Fable 5.1 while costing 40% less to run than its predecessor. The release lands amid growing debate over AI risks, with CEO Dario Amodei earlier this month calling on the The excerpt confirms Amazon Web Services as a launch platform for Opus 5.5 alongside Google Cloud and Microsoft Azure, supporting the subject of Claude Opus 5.5 on Amazon Bedrock. Pricing is set at $4 per million input tokens and $20 per million output tokens, 20% below Opus 5, and the model underwent external testing

Anthropic has launched Claude Opus 5.5, the first model in a new 5.5 family that the company says performs at the level of Claude Fable 5.1 on most work while costing 40 percent less to run than Opus 5. Anthropic describes Opus 5.5 as a major step up from Opus 5 in both performance and safety, with output generated over 30 percent faster than its predecessor. The model surpassed Fable 5.1 on benchmarks covering agentic coding, knowledge work, computer use, visual chart recognition, and multidisciplinary reasoning, and Anthropic launched it with safeguards similar to those used for Fable 5.1 due to its comparability with Mythos 5.1 in biology and cybersecurity. Claude Opus 5.5 is available on all platforms, and Anthropic raised five-hour usage limits on Pro, Max, Team, and seat-based Enterprise plans, while subscribers received a rate limit reset usable through October 22.

VentureBeat reports Anthropic released Claude Opus 5.5, its new frontier model aimed at long-running coding agents, research, and professional knowledge work, which both outperforms and undercuts the cost of Anthropic's prior flagship Mythos 5.1 and Fable 5.1. The model is priced at $4 per million input tokens and $20 According to the excerpt, cache-write pricing was cut by 20% from $6.25 to $5 per million tokens while cache-read costs were reduced from $0.50 to $0.20 per million tokens, and Opus 5.5 achieved high benchmark scores on Terminal-Bench 4.0, FrontierCode v1.1 Main, CursorBench 4.0, GDPval-AA v2.1, Terminal-Bench-Science

Anthropic has launched Claude Opus 5.5, the first model in its new Claude 5.5 family, positioning it as a more affordable and capable successor to Opus 5. The release reflects Anthropic's ongoing push to improve the economics and performance of its frontier AI systems for developers, businesses, and individual users. According to Anthropic, Opus 5.5 matches Claude Fable 5.1 on most tasks while costing 40% less than Opus 5 on typical workloads and generating output more than 30% faster. The company highlighted gains in agentic coding, computer use, and knowledge work, along with more natural communication. Opus 5.5 is the first model released since Anthropic called for pacing frontier AI development and was tested by external evaluators METR and Frontier Design, achieving Anthropic's strongest alignment assessment result to date. Anthropic also expanded five-hour usage limits for Claude Pro, Max, and Team subscribers and added a savable rate-limit reset.

MarkTechPost reports that Anthropic released Claude Opus 5.5 as the first model in its new Claude 5.5 family, performing at the level of Claude Fable 5.1 on most work while costing 40% less to run than Opus 5 on typical workloads at default settings. The supplied excerpt includes benchmark comparisons showing Opus 5.5 The excerpt confirms developers can call claude-opus-5-5 on the Claude Platform, Amazon Web Services, Google Cloud, and Microsoft Azure, supporting the subject of Claude Opus 5.5 on Amazon Bedrock. The model is deployed as a managed API without released weights (self-hosting not available), with zero data retention ava

TechCrunch reports that Anthropic's newest model, Opus 5.5, was released on Tuesday, setting a new state-of-the-art in coding and knowledge work performance according to the company. The supplied excerpt details that output tokens are charged at $20 per million tokens for Opus 5.5 compared to $25 for the previous model The excerpt describes significant communication changes in Opus 5.5, with the model less likely to use jargon and more likely to put important information at the start of its messages. The launch came just two months after Opus 5's July 24 release, with Sonnet 5.5 and Haiku 5.5 expected in the coming weeks, and Opus 5.

The AI×AI technical report details the September 22, 2026 launch of Claude Opus 5.5, the first model in the Claude 5.5 family, with Anthropic engineering it to deliver reasoning capabilities previously restricted to Claude Fable 5.1 while generating output 30% faster and cutting operating expenses by 40% compared to Op The excerpt explicitly confirms day-one deployment across the Anthropic API, Claude.ai, AWS Bedrock, Google Cloud Vertex AI, Microsoft Azure AI Foundry, and GitHub Copilot, directly supporting the subject of Claude Opus 5.5 on Amazon Bedrock. It reports pricing of $4.00 per million input tokens and $20.00 per million o

Anthropic launched Claude Opus 5.5 on September 22, 2026, positioning it as a new AI model that delivers performance comparable to its top-tier Fable 5.1 while costing 40% less to run than its predecessor. According to the supplied excerpt, the model is priced at $4 per million input tokens and $20 per million output t The Reuters excerpt confirms Amazon Web Services as a launch-day platform for Opus 5.5 alongside Google Cloud and Microsoft Azure, directly supporting the subject of Claude Opus 5.5 on Amazon Bedrock. The model underwent external testing by independent AI safety research groups Frontier Design and METR before launch an