Ante vs. Mastra Code

Feature	Ante	Mastra Code

Tagline	Self-contained Rust agent harness with native offline inference	Coding agent that replaces compaction with Observational Memory
Website	https://ante.run/	https://code.mastra.ai/
Language	rust	typescript
Release Date	December 23, 2025	December 24, 2025
Last Updated	September 4, 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	No	No
Sandbox / Permissions	Yes	Yes
Image / Multimodal Input	Yes	Yes
Voice Mode	No	Yes
IDE Integration	None shipped; `ante serve` exposes a JSONL protocol for editor plugins	ACP (Agent Client Protocol)
Hooks / Extensions	No	Yes
Web Search	Yes	Yes
Local Model Support	Yes	Yes
Context Window	Model-dependent	Model-dependent; observation-based
Terminal Bench 2.0	#24 · 69.4% ±2.1 ¹
Supported Models	17 built-in presets: Anthropic, OpenAI, Google Gemini and Vertex, xAI Grok, DeepSeek, OpenRouter, Zai, Ali Coding Plan, Antix, plus any OpenAI-compatible endpoint via ~/.ante/catalog.json and any local GGUF model through the bundled llama.cpp	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	Free, BYOK	Free, BYOK
Free Tier	Yes	Yes
Price Range	Free (alpha preview)	Free (BYOK)
Source Code Availability	Proprietary Software	Open Source (Apache-2.0)
Source Code	https://github.com/AntigmaLabs/ante	https://github.com/mastra-ai/mastra
Development State	active	active