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Pulumi Team for Pulumi

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What AWS’s 2025 AI and Cloud Updates Mean for Engineers Building Large Systems

AWS announced major changes this year that affect how teams design, train, and operate large-scale systems. If you work in AI infrastructure, MLOps, or cloud engineering, several releases stand out for their long-term impact.

Pulumi put together a full breakdown, but here is the technical signal behind the announcements.

Nova Forge and the new model training workflow

AWS is shifting model training toward a platform-based workflow. Nova Forge abstracts much of the orchestration, data movement, and scaling logic that teams previously had to build themselves. This is important because training pipelines are becoming too large and too complex for ad-hoc solutions.

For teams building specialized LLMs or domain-specific models, this lowers both time and operational overhead.

Trainium 3 and the next stage of high-throughput compute

Trainium 3 extends AWS’s hardware roadmap with higher throughput and deeper integration into the broader AI stack. The takeaway is that large-scale training is becoming more predictable and better supported by AWS-native services.

This matters for iteration speed and total cost at scale.

AgentCore’s move toward structured automation

AgentCore is evolving from helper APIs into a system that understands user intent and applies guardrails across environments. This is a step toward infrastructure that can participate in operations rather than simply expose endpoints.

For teams wrestling with multi-environment complexity, this points toward more automated operational patterns.

A shift in what cloud engineering workflows look like

The common pattern across these launches is integration. Compute, orchestration, training workflows, and automation are becoming parts of a single continuum rather than separate tools stitched together.

Pulumi’s analysis places these changes in the bigger shift toward adaptive infrastructure. Tools like https://www.pulumi.com/product/neo/#video align with this direction by introducing AI-supported workflows into everyday development.

Read the full analysis

For a deeper look at how AWS is shaping AI and cloud infrastructure going into the next decade, read "AWS built an integrated AI Agent training pipeline and they want you to rent it".

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