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Heroku AI Studio is Your Workspace for Smarter, Faster AI Apps

Ever found yourself in the endless loop of tweaking a prompt, running your code, and waiting to see if you finally got the output you wanted? That slow, frustrating feedback cycle is a common headache for AI developers. What if you could speed that up and get back to what you do best? Let’s focus on building amazing applications.

We're excited to introduce Heroku AI Studio, a new set of tools designed to streamline your generative AI development from prompt to production. We've focused on creating a more intuitive and efficient workflow, so you can focus on innovation instead of wrestling with your development environment. When using the Heroku Managed Inference and Agents add-on, this new tool is about to become an essential part of your workflow.

Corrective Action Update for the Heroku June 10th Outage

Beginning at 06:00 UTC on Tuesday, Jun 10, 2025, Heroku customers began experiencing a platform service disruption due to an unintended system update applied to our production infrastructure by our vendor. To compound the issue, the Heroku Status site was affected by the outage. Shortcomings in site design and API latency resulted in timeouts, and the Status site appeared as if there were no active incidents.

On June 15th we published a summary of our initial investigation, mitigation, and root cause analysis. We also identified the following post-incident remediation objectives:

  • Ensuring immutable infrastructure
  • Increasing resilience of communication channels
  • Accelerating investigation and recovery

As promised, we are providing a status update of our continued corrective actions.

Discover How Heroku’s AI PaaS Delivers Real-World Results at Dreamforce

The AI revolution presents a critical challenge: moving from experimentation to production. This year, Heroku has evolved beyond a traditional PaaS to become an AI PaaS, a fully managed platform designed to solve this problem and accelerate the delivery of AI-powered apps. With new capabilities like AppLink, Managed Inference and Agents, and MCP on Heroku, Heroku now provides a fully managed platform designed for the AI era.

This evolution accelerates the delivery of AI-powered apps and intelligent agents, bringing a new level of speed and simplicity to your development process. Dreamforce 2025 is your chance to see firsthand how the Heroku AI PaaS is delivering business value faster and with less complexity.

Building Agents With Heroku AI and Pydantic AI

Building production-grade AI applications can be complex, but with Heroku and Pydantic AI, developers gain a powerful and reliable solution for integrating advanced AI capabilities. Heroku makes it easy to integrate AI into your applications with Heroku Managed Inference and Agents . With a single click, you can attach powerful Large Language Models like Anthropic’s Claude 4 Sonnet to your apps. Heroku AI also provides built-in tools like secure code execution and an OpenAI-compatible API that you can drop directly into popular frameworks and SDKs.

Heroku Key-Value Store Now Supports Valkey 8.1 with JSON and Bloom Modules

We’re thrilled to announce the general availability of Valkey v8.1 in Redis OSS compatible Heroku Key-Value Store . This isn’t just an incremental update; it’s a significant leap forward, bringing enhanced performance and greater efficiency. To add to this excitement, we’re bringing powerful new module capabilities to v8.1, with Valkey Bloom and ValkeyJSON.

For years, Heroku customers have relied on our managed in-memory data store services for caching, session management, real-time leaderboards, queueing, and so much more. Valkey is a drop-in, open-source fork of Redis OSS at v7.2, maintained by the Linux Foundation, and is backwards compatible with Redis OSS protocols…

Introducing the Heroku AI Platform as a Service (AI PaaS)

Today, we are pleased to announce the evolution of Heroku to an AI Platform as a Service (AI PaaS). GenAI has changed how we build software (vibe coding), the kind of technology we use (Cursor, LLMs), the type of software we make (agents), and redefined what it means to be a developer in this new world.

In a recent Salesforce study , 84% of developers with AI say it helps their teams complete their projects faster. AI-powered, natural language development tools make it possible for anyone to create software by typing instructions in English. This increase in new apps is only…

Heroku AI: Heroku Remote MCP Server

Today, we’re thrilled to announce a new way in which agents can access the Heroku platform using the Heroku Remote MCP Server, now available at https://mcp.heroku.com/mcp.

This new remote server is an expansion of our earlier stdio-based MCP server and comes with secure OAuth authentication. It’s designed to provide a secure, scalable, and incredibly simple way for agents to interact with the Heroku platform and use tools to perform actions such as creating a Heroku app from your favorite agents such as Claude , Agentforce , or Cursor . With Agentforce 3.0 announcing native support for MCP, you can bring Heroku…

Summary of Heroku June 10 Outage

Beginning at 6:00 UTC, on Tuesday, Jun 10, 2025 Heroku customers began experiencing service disruption, creating up to 24 hours of downtime for many customers. This issue was caused by an unintended system update across our production infrastructure; it was not the result of a security incident, and no customer data was lost. Now that we have fully restored our services, we would like to share more details.

The entire Heroku team offers our deepest apology for this service disruption. We understand that many of you rely on our platform as a foundation for your business. Communication during the incident did…

Heroku Postgres 17 with the New Upgrade Process: Faster Performance, Easier Upgrade

We’re excited to announce the general availability of Heroku Postgres version 17 , packed with new features and enhancements to your database performance. And that’s not all – we’re also introducing a game-changing feature that streamlines your upgrade experience . This new method of version upgrade is now the default, so you can try it to upgrade to Postgres 17!

Postgres 17: Powering your applications with enhanced performance and security

Before we dive into the simplicity of the new upgrade process, let’s talk about what makes PostgreSQL 17 a must-have. This release brings significant improvements that directly translate to better…

Heroku AI: Claude 4 Sonnet is now available

Anthropic’s Claude 4 Sonnet, part of the next generation of Claude models, is now available on Heroku Managed Inference and Agents . This gives developers immediate access to a model designed for coding, advanced reasoning, and the support of capable AI agents. Heroku Managed Inference and Agents expands your AI choices, offering the freedom to build transformative applications with the developer and operational ease Heroku is known for. Claude 4 Sonnet extends what’s possible with AI systems by improving task planning, tool use, and overall agent experience within the Heroku ecosystem. Claude 4 Sonnet offers a significant leap in performance,…

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