Mastra Code vs. Prime Agent

Feature	Mastra Code	Prime Agent

Tagline	Coding agent that replaces compaction with Observational Memory	Model-agnostic terminal coding agent built on a persistent IPython runtime
Website	https://code.mastra.ai/	https://www.primeintellect.ai/blog/prime-agent
Language	typescript	typescript
Release Date	December 24, 2025	May 8, 2026
Last Updated	September 4, 2026	September 4, 2026
Provider Type	Independent	AI Lab
MCP Support	Yes	Yes
Multi-Agent Support	Yes	Yes
Git Integration	basic	basic
Multi-File Editing	Yes	Yes
Auto Test Running	No	No
Sandbox / Permissions	Yes	No
Image / Multimodal Input	Yes	Yes
Voice Mode	Yes	No
IDE Integration	ACP (Agent Client Protocol)	Zed, VS Code (via ACP)
Hooks / Extensions	Yes	Yes
Web Search	Yes	No
Local Model Support	Yes	Yes
Context Window	Model-dependent; observation-based	Model-dependent
Supported Models	Claude, GPT, Gemini and thousands more via Mastra's unified model router, plus custom OpenAI-compatible providers	20+ providers: Claude, GPT, Gemini, Mistral, Groq, Cerebras, xAI, DeepSeek, MiniMax, Xiaomi MiMo, Bedrock, Ollama, vLLM, LM Studio
Supported Subscriptions	Claude Code ChatGPT GitHub Copilot SuperGrok	ChatGPT Claude Code GitHub Copilot
Pricing Model	Free, BYOK	Free, Subscription, BYOK
Free Tier	Yes	Yes
Price Range	Free (BYOK)	Free (BYOK)
Source Code Availability	Open Source (Apache-2.0)	Open Source (MIT)
Source Code	https://github.com/mastra-ai/mastra	https://github.com/PrimeIntellect-ai/prime-agent
Development State	active	active