Brian2 Atlas vs Replyz

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

Brian2 Atlas compared with Replyz
Detail	Brian2 Atlas	Replyz
What it does	Distributed neural simulation with MPI for Brian2 models	Email for your AI agent
Stage	Startup	MVP
Founded	2026	Not given
Based in	GB	PT
Pricing model	Open source	Not given
Pricing	Not given	Not given
Key features	Distributed simulation across MPI ranks Multi-backend execution (CPU, GPU, Browser, MPI) AtlasIR typed intermediate representation Native forward and reverse execution for training Retains Brian2 modelling interface GPU execution on Apple Metal and NVIDIA CUDA WebAssembly browser execution CPU reference and AOT compilation	Works with OpenClaw, Hermes, and Claude Code MCP, CLI, or skill integration options Automatic verification code and link extraction Agent email waiting capability Human approval required for outgoing emails
What makes it different	Distributed execution without sacrificing Brian2's familiar modelling interface Open-source with published arXiv paper and reproduction materials Explicit, verifiable execution plans via AtlasIR	Inbox setup in 60 seconds No humans in the loop for email handling EU-hosted infrastructure Human approval before sending
Free plan	Not given	Not given
Open source	Not given	Not given
Platforms	Not given	Not given
Public API	Not given	Not given
Community votes	0	0
DR (Domain Rating by Ahrefs)	Not checked yet −1 (down) since last check	31 +31 (up) since last check
Trust Flow (Majestic)	3	0
Citation Flow (Majestic)	19	0
Referring domains (Majestic)	14	0

5 details filled in for both companies.