# Heroku AI: Accelerating AI Development With New Models, Performance Improvements, and Messages API

DevFeed: [Heroku AI: Accelerating AI Development With New Models, Performance Improvements, and Messages API](<https://devfeed.tech/articles/heroku-ai-accelerating-ai-development-with-new-models-performance-improvements-and-messages-api-26362.md>)

Original publisher: [Read original article](<https://www.heroku.com/blog/accelerating-ai-dev-new-models-performance-improvements-messages-api/>)

Author: Anush DSouza

Published: 2025-12-18T19:42:30Z

Content type: release

Language: en

Sources: [Heroku](<https://devfeed.tech/sources/heroku.md>)

Topics: [Heroku](<https://devfeed.tech/topics/heroku.md>), [AI Models](<https://devfeed.tech/topics/ai-models.md>), [API](<https://devfeed.tech/topics/api.md>), [Inference](<https://devfeed.tech/topics/inference.md>), [Claude](<https://devfeed.tech/topics/claude.md>)

Tags: [ai](<https://devfeed.tech/tags/ai.md>), [ai-models](<https://devfeed.tech/tags/ai-models.md>), [anthropic](<https://devfeed.tech/tags/anthropic.md>), [api](<https://devfeed.tech/tags/api.md>), [aws](<https://devfeed.tech/tags/aws.md>), [claude](<https://devfeed.tech/tags/claude.md>), [heroku](<https://devfeed.tech/tags/heroku.md>), [heroku-ai](<https://devfeed.tech/tags/heroku-ai.md>), [inference](<https://devfeed.tech/tags/inference.md>), [managed-inference-and-agents](<https://devfeed.tech/tags/managed-inference-and-agents.md>), [news](<https://devfeed.tech/tags/news.md>)

## AI overview

Heroku announces an expanded Managed Inference and Agents model catalog, including Claude Opus 4.5, Nova 2, Kimi K2 Thinking, MiniMax M2, and Qwen3. The release also describes updated model generations, regional availability, security and data-handling claims, and preview support for Anthropic's Messages API, which aligns with Claude SDKs and enables integration with Claude Code and the Claude Agents SDK.

## Source excerpt

This month marks significant expansion for Heroku Managed Inference and Agents, directly accelerating our AI PaaS framework. We're announcing a substantial addition to our model catalog, providing access to leading proprietary AI models such as Claude Opus 4.5, Nova 2, and open-weight models such as Kimi K2 thinking, MiniMax M2, and Qwen3. These resources are [...] The post Heroku AI: Accelerating AI Development With New Models, Performance Improvements, and Messages API appeared first on Heroku.