What is Open Interpreter 0.0.26?

Open Interpreter 0.0.26 is the new Rust build of the popular open-source coding agent, based on the Codex architecture and tuned to squeeze strong tool-use behavior out of cheaper open models like Kimi K3, Qwen, and DeepSeek. It ships as a single terminal binary with native sandboxing on macOS, Linux, and Windows.

Why did Open Interpreter rewrite in Rust?

The Rust rewrite lets Open Interpreter emulate the same agent harness Codex uses, so a small open model can act more like a frontier one. The original Python project continues as a community fork, but the Rust build is the new default and is the version being tagged in the 0.0.24 to 0.0.26 releases from July 14 to July 16.

Which models does Open Interpreter 0.0.26 support?

Open Interpreter 0.0.26 ships four built-in harnesses that can be swapped with the /model command: claude-code for Anthropic, kimi-cli for Moonshot's Kimi K3, qwen-code for Alibaba's Qwen, and deepseek-tui for DeepSeek. Any Codex-compatible provider works through the same interface.

How do you install Open Interpreter 0.0.26?

On macOS or Linux, run curl -fsSL https://www.openinterpreter.com/install | sh; on Windows, use the PowerShell one-liner from openinterpreter.com/install.ps1. The installer drops a single interpreter binary and stores config under ~/.openinterpreter.

Is Open Interpreter free to use?

Open Interpreter is free and open source under the Apache-2.0 license, and the tool itself has no subscription. You only pay for whichever model provider you plug in via the harness; open weights like Kimi K3 or DeepSeek can be run locally at no per-token cost.

Open Interpreter · 2026-07-16 · major

Open Interpreter 0.0.26 — Rust coding agent tuned for open models

Open Interpreter's Rust rewrite is out: a Codex-compatible coding agent for low-cost open models. Three tagged releases shipped in 72h; the terminal UI swaps between Claude Code, Kimi CLI, Qwen Code, and DeepSeek TUI harnesses.

The 66k-star coding agent has been rewritten in Rust to make cheap open models act more like Codex.

Key specs

GitHub stars	65.9k
Stars today	633

Quick facts

Maker	Open Interpreter
Version	0.0.26 (Rust)
License	Apache-2.0
Language	Rust
Model support	claude-code, kimi-cli, qwen-code, deepseek-tui
Platforms	macOS, Linux, Windows
Install	curl openinterpreter.com/install \| sh

What is it?

Open Interpreter 0.0.26 is the first stable tag of the project's Rust rewrite. The tool now ships as a single interpreter binary with native sandboxing and swaps between four built-in agent harnesses — claude-code, kimi-cli, qwen-code, and deepseek-tui — from the /model command inside a terminal UI.

How does it work?

Under the hood the new build mirrors OpenAI's Codex agent loop, then wraps it around the tool-use format each backend understands, which is what lets a smaller open model imitate the planning and tool discipline of a frontier one. Config lives in ~/.openinterpreter, and the same binary can act as an Agent Client Protocol server for editors.

Why does it matter?

A serious coding agent aimed at open models matters because Kimi K3, Qwen, and DeepSeek are cheap or free but usually feel weaker than Claude or GPT inside off-the-shelf agents. Open Interpreter's rewrite closes that gap by giving those models the same harness the paid frontier tools use, which is why the repo picked up 633 stars in a single day.

Who is it for?

developers running local or low-cost open models

Frequently asked questions

What is Open Interpreter 0.0.26?: Open Interpreter 0.0.26 is the new Rust build of the popular open-source coding agent, based on the Codex architecture and tuned to squeeze strong tool-use behavior out of cheaper open models like Kimi K3, Qwen, and DeepSeek. It ships as a single terminal binary with native sandboxing on macOS, Linux, and Windows.
Why did Open Interpreter rewrite in Rust?: The Rust rewrite lets Open Interpreter emulate the same agent harness Codex uses, so a small open model can act more like a frontier one. The original Python project continues as a community fork, but the Rust build is the new default and is the version being tagged in the 0.0.24 to 0.0.26 releases from July 14 to July 16.
Which models does Open Interpreter 0.0.26 support?: Open Interpreter 0.0.26 ships four built-in harnesses that can be swapped with the /model command: claude-code for Anthropic, kimi-cli for Moonshot's Kimi K3, qwen-code for Alibaba's Qwen, and deepseek-tui for DeepSeek. Any Codex-compatible provider works through the same interface.
How do you install Open Interpreter 0.0.26?: On macOS or Linux, run curl -fsSL https://www.openinterpreter.com/install | sh; on Windows, use the PowerShell one-liner from openinterpreter.com/install.ps1. The installer drops a single interpreter binary and stores config under ~/.openinterpreter.
Is Open Interpreter free to use?: Open Interpreter is free and open source under the Apache-2.0 license, and the tool itself has no subscription. You only pay for whichever model provider you plug in via the harness; open weights like Kimi K3 or DeepSeek can be run locally at no per-token cost.

Try it

curl -fsSL https://www.openinterpreter.com/install | sh