Claude Code with Anthropic API compatibility · Ollama Blog

If you’ve ever wished your local models could plug into the same workflows as big hosted AI tools, this update from Ollama is worth a quiet pause and a coffee refill.

In a recent post on the Ollama blog, titled Claude Code with Anthropic API compatibility, the team explains how Ollama v0.14.0 and later now support the Anthropic Messages API. That one sentence opens a surprising number of doors. It means tools built for Anthropic, including Claude Code, can now run on top of open models through Ollama.

This isn’t a brand new coding assistant. Claude Code already exists as Anthropic’s terminal based, agentic coding tool. What’s new is the bridge. According to the article, developers can now run Claude Code locally on their own machines using Ollama models, or connect to cloud hosted models via ollama.com. Same workflow, more freedom.

If you’ve ever bounced between local experiments and cloud tools, you know how clumsy that can feel. Different APIs, different assumptions, lots of small paper cuts. The Ollama team highlights that existing applications using the Anthropic SDK can connect to Ollama simply by changing the base URL. That’s it. No big rewrite. Just a redirect.

There are a few practical notes woven into the post. For example, Claude Code works best with models that support at least a 64k token context window. Ollama’s cloud models already run at full context length, which takes some pressure off local hardware. And yes, tool use is supported, so models can interact with external systems when needed.

What stands out most is the direction this points toward. Open models are starting to fit into the same professional tooling as closed ones, without forcing developers to relearn everything. That’s a subtle shift, but a meaningful one.

You can read the full article, including setup details and links to deeper documentation, directly on the Ollama blog here:
https://ollama.com/blog/claude

It feels like one of those updates that quietly makes daily work smoother. And those tend to age well.