OpenBlock vs. Prime Agent

Feature	OpenBlock	Prime Agent

Tagline	A self-improving coding agent that handles the full dev lifecycle	Model-agnostic terminal coding agent built on a persistent IPython runtime
Website	https://openblocklabs.com/	https://www.primeintellect.ai/blog/prime-agent
Language	typescript	typescript
Release Date	March 16, 2026	May 8, 2026
Last Updated	August 19, 2026	September 4, 2026
Provider Type	Independent	AI Lab
MCP Support	Yes	Yes
Multi-Agent Support	Yes	Yes
Git Integration	deep	basic
Multi-File Editing	Yes	Yes
Auto Test Running	Yes	No
Sandbox / Permissions	Yes	No
Image / Multimodal Input	Yes	Yes
Voice Mode	No	No
IDE Integration	None - Terminal only	Zed, VS Code (via ACP)
Hooks / Extensions	Yes	Yes
Web Search	Yes	No
Local Model Support	Yes	Yes
Context Window	Model-dependent	Model-dependent
Supported Models	400+ via OpenRouter (Claude, GPT, Gemini, Grok, open-source)	20+ providers: Claude, GPT, Gemini, Mistral, Groq, Cerebras, xAI, DeepSeek, MiniMax, Xiaomi MiMo, Bedrock, Ollama, vLLM, LM Studio
Supported Subscriptions	—	ChatGPT Claude Code GitHub Copilot
Pricing Model	Freemium	Free, Subscription, BYOK
Free Tier	Yes	Yes
Price Range	$10-100 (credit-based)	Free (BYOK)
Source Code Availability	Proprietary Software	Open Source (MIT)
Source Code	N/A	https://github.com/PrimeIntellect-ai/prime-agent
Development State	active	active