jcode vs. Mastra Code

FeaturejcodeMastra Code
jcode logoMastra Code logo
TaglineOpen-source AI coding agent for the terminal, written in RustCoding agent that replaces compaction with Observational Memory
Websitehttps://jcode.shhttps://code.mastra.ai/
Language
rust
typescript
Release DateJanuary 5, 2026December 24, 2025
Last UpdatedSeptember 4, 2026September 4, 2026
Provider TypeIndependentIndependent
MCP Support
Yes
Yes
Multi-Agent Support
Yes
Yes
Git Integrationbasicbasic
Multi-File Editing
Yes
Yes
Auto Test Running
No
No
Sandbox / Permissions
Yes
Yes
Image / Multimodal Input
Yes
Yes
Voice Mode
Yes
Yes
IDE IntegrationNone - terminal onlyACP (Agent Client Protocol)
Hooks / Extensions
Yes
Yes
Web Search
No
Yes
Local Model Support
Yes
Yes
Context WindowModel-dependentModel-dependent; observation-based
Supported Models25+ providers: Claude, GPT, Gemini, Copilot, MiniMax, OpenRouter, DeepSeek, Groq, Mistral, xAI, Cerebras, Ollama, LM StudioClaude, GPT, Gemini and thousands more via Mastra's unified model router, plus custom OpenAI-compatible providers
Supported Subscriptions
ChatGPT ChatGPTClaude Code Claude CodeGitHub Copilot GitHub Copilot
Claude Code Claude CodeChatGPT ChatGPTGitHub Copilot GitHub CopilotSuperGrok SuperGrok
Pricing ModelFreemium, Subscription, BYOKFree, BYOK
Free Tier
Yes
Yes
Price RangeFree (BYOK) / $10-1,000/moFree (BYOK)
Source Code AvailabilityOpen Source (MIT)Open Source (Apache-2.0)
Source Codehttps://github.com/1jehuang/jcodehttps://github.com/mastra-ai/mastra
Development State
active
active

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