At the ongoing AWS re:Invent 2025 event (1st ~ 5th December 2025), Amazon’s AWS officially launched its Trainium3 AI chip. Notably, it has been introduced by positioning the latest AI chip as a much cheaper alternative when compared to the NVIDIA GPUs.

Here’s more about it.

Trainium3 AI Chip – Officially Launched

As mentioned, the Trainium3 AI chip has now been brought out by Amazon Web Services (AWS) and this state of the art 3nm chipset is used to power the Trainium3 UltraServers, combined with the brand’s networking tech. In terms of performance, up to 4.4x higher performance is being offered, as well as 4x more memory bandwidth. In comparison to the previous Trainium2 UltraServers, 4x better performance-per-watt is also being claimed on it. Also, the UltraServer (each) will be able to host 144 chips (362 FP8 PFLOPS) as per the brand, and over 1 million Trainium3 chips can be linked together in the UltraClusters – which is 10x times more than the previous generation.

Speaking more, the Trainium-based systems are said to cut down the training and inference costs by around 50% when compared to other GPU clusters that are used on large models. Furthermore, 2x more computing performance and 40% more energy efficiency are also notable aspects, which assure both faster training and peak AI app delivering demand. Thus, it is pointed out to be a better and cheaper alternative to the NVIDIA GPUs.

Already customers like Anthropic, LLM Karakuri, Decart, and SplashMusic have been making use of the latest Trainium3 AI chip, and Amazon states that these brands were able to lower their inference costs. The goal for Amazon is not just to make systems that consume less, but that also offers lower costs for its customers too.

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AWS has unveiled a new service called AWS Security Incident Response, designed to help organizations better manage and recover from security incidents. This comprehensive solution addresses the growing challenges organizations face in handling security events, from account compromises to ransomware attacks.

The service integrates deeply with existing AWS security tools, particularly Amazon GuardDuty and AWS Security Hub, while also supporting third-party threat detection tools. A standout feature is its 24/7 access to AWS Customer Incident Response Team (CIRT) experts, providing crucial support during security emergencies.

“Security events are becoming more pervasive and complex for customers. Security teams often face an overwhelming number of daily alerts, leading to potential misplaced priorities of resources and reduced effectiveness. Manual investigation of findings strains resources and may cause customers to overlook critical security alerts. Additionally, coordinating responses across multiple stakeholders, managing permissions in various environments, and documenting actions complicate the process,” the announcement explains.

The service introduces three core capabilities:

First, it implements automated triage of security findings, using customer-specific information to filter out expected behavior and highlight truly critical alerts. This automation helps security teams focus their attention where it’s most needed.

Second, it offers streamlined incident response through preconfigured notification rules and flexible permission settings. A centralized console provides integrated features including messaging, secure data transfer, and video conferencing capabilities, all accessible via APIs or the AWS Management Console.

Third, customers get access to self-service investigation tools alongside 24/7 CIRT support. Organizations can choose to handle incidents independently or work with third-party security vendors, providing flexibility based on their specific needs.

The service also includes a performance dashboard with key metrics such as mean time to resolution (MTTR) and case tracking statistics, enabling organizations to monitor and improve their security response over time.

Implementation of the service follows a straightforward process through AWS Organizations. Customers start by selecting a central account for managing security events, then enable proactive incident response features. The service can be configured to execute containment actions through specific IAM roles, potentially reducing the impact of security incidents.

AWS Security Incident Response is now operating in 12 AWS Regions globally, including major centers in North America, Asia Pacific, and Europe. The regions specifically include US East (N. Virginia, Ohio), US West (Oregon), Asia Pacific (Seoul, Singapore, Sydney, Tokyo), Canada (Central), and Europe (Frankfurt, Ireland, London, Stockholm).

This launch represents AWS’s latest effort to support organizations in maintaining robust security postures while reducing the operational burden on security teams. The service’s automation capabilities and expert support aim to address the growing complexity of security incident management in modern cloud environments.

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Amazon Web Services said Tuesday that Twitter has endorsed on to utilize AWS for its worldwide cloud framework to convey Twitter Timelines. Under the multi-year bargain, Twitter will utilize AWS foundation and items across process, holders, stockpiling, and security, denoting the first run through Twitter has utilized the public cloud to convey its ongoing assistance.

Twitter has utilized AWS for quite a long time as a feature of its general cloud technique, depending on AWS stockpiling, figure, information base, and substance conveyance administrations to help its appropriation of pictures, recordings, and advertisement content.

Twitter CTO Parag Agrawal said the organization’s new cooperation with AWS will improve the exhibition of Twitter’s administration by empowering the organization to “serve Tweets from server farms nearer to our clients simultaneously as we influence the Arm-based engineering of AWS Graviton2 examples. Notwithstanding encouraging us to scale our foundation, this work with AWS empowers us to transport includes quicker as we apply AWS’s assorted and developing arrangement of administrations.”

Talking about Arm, AWS reported a week ago that the chipmaker would depend on AWS for its cloud use, including for most of its electronic plan robotization (EDA) outstanding burdens. As per Amazon, running EDA in the cloud at creation scale is a semiconductor industry first.

The client wins come as AWS covers off its weeks-long re:Invent engineer meeting. The organization utilized the all-virtual occasion to introduce a huge number of item declarations, including new compartment contributions, contact focus benefits, and register cases.

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