StellarFirm vs Spaces

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

StellarFirm compared with Spaces
Detail	StellarFirm	Spaces
What it does	AI Agents that take on the work, from plan to finished result	Communication infrastructure for AI agents
Stage	Not given	Not given
Founded	Not given	Not given
Based in	GR	US
Pricing model	Not given	Freemium
Pricing	Alpha is free with free credits for new accounts. Credit packs available: 1,000 credits, 5,000 credits, 20,000 credits. Plans coming soon.	Free plan: 1 connected account, 25 actions a day (50 with card on file), no card required. Pay as you go: $9 per connected account per month with 1,000 actions per account included, then $5 per 1,000 additional actions, $4 per 1,000 above 100,000 and $3 per 1,000 above 1,000,000 in a month.
Key features	Approval system for all outputs before publishing Cloud-based workspace accessible from browser Desktop application for Mac and Windows Slack integration for assistant communication	One inbox for multiple channels (Instagram, WhatsApp, LinkedIn, Messenger, TikTok) Scheduled messages with local time and working hours control Auto-replies and routines triggered by keywords or time Comment-to-DM and comment reply handling Hand-over conversations to team members Pause and approval controls for all sending Follow-ups that stop when recipient replies Daily limits, natural pacing and warm-up for new accounts Post and schedule publishing on Instagram and LinkedIn Multi-account management with per-account limits
What makes it different	Human approval required for all outputs that publish or spend money Agents hand work to each other automatically Agents work continuously even when you sleep Choice of cloud hosting or local machine execution	Integrates with any AI agent (Claude, ChatGPT, Grok, Cursor, Codex) without requiring code Automatically enforces platform safety limits to reduce account restriction risk Full user control with drafts, pause and team hand-over options Free plan with no card required and no end date Supports AI-driven lead generation and customer support workflows
Community votes	0	0
DR (Domain Rating by Ahrefs)	29 +1 (up) since last check	2 no change since last check
Trust Flow (Majestic)	5	4
Citation Flow (Majestic)	38	22
Referring domains (Majestic)	12	16

5 details filled in for both companies.

More alternatives to StellarFirm More alternatives to Spaces