--- title: "Slack AI: The Path to Multi-Cloud" url: https://daily.dev/posts/slack-ai-the-path-to-multi-cloud-mcgkrjcli source_url: https://slack.engineering/slack-ai-the-path-to-multi-cloud type: article source: "Slack engineering" published: 2026-05-28T14:22:56.532Z updated: 2026-05-28T14:23:30.305Z tags: ["multi-cloud", "amazon-bedrock"] reading_time: 17 upvotes: 0 comments: 0 language: en --- > ## Documentation Index > Fetch the complete documentation index at: https://daily.dev/llms.txt > Use this file to discover all available pages before exploring further. # Slack AI: The Path to Multi-Cloud **[Slack engineering](https://daily.dev/sources/slack)** · 17 min read · 0 upvotes · 0 comments ## Summary Slack's engineering team details their three-year journey scaling LLM infrastructure from AWS SageMaker to a multi-cloud architecture spanning AWS Bedrock and GCP Vertex AI. The post covers four phases: self-managed SageMaker deployments with GPU scarcity challenges, migration to Bedrock for operational simplicity and model access, transitioning to on-demand capacity with hybrid routing and spillover patterns, and finally expanding to multi-cloud with an intelligent routing layer featuring circuit breakers, A/B testing, and API normalization. Key outcomes include ~10% quality improvement for reasoning tasks and ~67% latency reduction for low-token workloads, achieved through provider-agnostic abstraction and cross-functional alignment on security and compliance. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: ## Similar posts on daily.dev - [Slack Outlines Four-Phase Journey to a Multi-Cloud AI Serving Platform](https://daily.dev/posts/slack-outlines-four-phase-journey-to-a-multi-cloud-ai-serving-platform-y9airagyg) · InfoQ · 0 upvotes · 0 comments - [What the AI Stack looks like Below the Model](https://daily.dev/posts/what-the-ai-stack-looks-like-below-the-model-qmbjvhof0) · Medium · 0 upvotes · 0 comments --- Tags: [#multi-cloud](https://daily.dev/tags/multi-cloud), [#amazon-bedrock](https://daily.dev/tags/amazon-bedrock) [View this post on daily.dev](https://daily.dev/posts/slack-ai-the-path-to-multi-cloud-mcgkrjcli)