Devin for Terminal vs. Mastra Code

Feature	Devin for Terminal	Mastra Code

Tagline	A local coding agent that runs directly in your terminal from Cognition AI	Coding agent that replaces compaction with Observational Memory
Website	https://devin.ai/terminal	https://code.mastra.ai/
Language	rust	typescript
Release Date	April 9, 2026	December 24, 2025
Last Updated	August 19, 2026	September 4, 2026
Provider Type	AI Lab	Independent
MCP Support	Yes	Yes
Multi-Agent Support	Yes	Yes
Git Integration	deep	basic
Multi-File Editing	Yes	Yes
Auto Test Running	No	No
Sandbox / Permissions	Yes	Yes
Image / Multimodal Input	Yes	Yes
Voice Mode	No	Yes
IDE Integration	Windsurf IDE	ACP (Agent Client Protocol)
Hooks / Extensions	Yes	Yes
Web Search	Yes	Yes
Local Model Support	No	Yes
Context Window	Model-dependent	Model-dependent; observation-based
Supported Models	Cognition (SWE-1), Anthropic (Opus, Sonnet, Haiku), OpenAI (GPT, GPT-mini, GPT-Codex), Google (Gemini), Kimi (Kimi K2.5), GLM (GLM 5)	Claude, GPT, Gemini and thousands more via Mastra's unified model router, plus custom OpenAI-compatible providers
Supported Subscriptions	—	Claude Code ChatGPT GitHub Copilot SuperGrok
Pricing Model	Subscription, Usage Based	Free, BYOK
Free Tier	Yes	Yes
Price Range	$0, $20 - $200 per month	Free (BYOK)
Source Code Availability	Proprietary Software	Open Source (Apache-2.0)
Source Code	N/A	https://github.com/mastra-ai/mastra
Development State	active	active