Goose CLI vs. Mastra Code

Feature	Goose CLI	Mastra Code

Tagline	An open source, extensible AI agent that goes beyond code suggestions	Coding agent that replaces compaction with Observational Memory
Website	https://block.github.io/goose/	https://code.mastra.ai/
Language	rust	typescript
Release Date	December 4, 2024	December 24, 2025
Last Updated	June 28, 2026	September 4, 2026
Provider Type	Independent	Independent
MCP Support	Yes	Yes
Multi-Agent Support	Yes	Yes
Git Integration	basic	basic
Multi-File Editing	Yes	Yes
Auto Test Running	Yes	No
Sandbox / Permissions	Yes	Yes
Image / Multimodal Input	Yes	Yes
Voice Mode	Yes	Yes
IDE Integration	Cursor, VSCode, JetBrains IDEs	ACP (Agent Client Protocol)
Hooks / Extensions	Yes	Yes
Web Search	Yes	Yes
Local Model Support	Yes	Yes
Context Window	Model-dependent	Model-dependent; observation-based
Terminal Bench 2.0	#58 · 54.3% ±2.6 ¹
Supported Models	Works with 25+ providers including Anthropic, OpenAI, xAI, Google, Mistral and works with 400+ models on OpenRouter.	Claude, GPT, Gemini and thousands more via Mastra's unified model router, plus custom OpenAI-compatible providers
Supported Subscriptions	Claude Code ChatGPT	Claude Code ChatGPT GitHub Copilot SuperGrok
Pricing Model	BYOK	Free, BYOK
Free Tier	Yes	Yes
Price Range	Free (BYOK)	Free (BYOK)
Source Code Availability	Open Source (Apache-2.0)	Open Source (Apache-2.0)
Source Code	https://github.com/aaif-goose/goose	https://github.com/mastra-ai/mastra
Development State	active	active