Coworker
online
Opus 4.8, GPT-5.5 & Gemini 3.1 Pro free. Team memory + MCP built in.
LLMest. 2024 · San Francisco, CA
79
/ 100 APIVault Score
// At a glance
Free Tier
Opus 4.8 + GPT-5.5 + Gemini 3.1 · CC required
Category
LLM
Credit Card
Required
Last Verified
1m ago
// Free tier details
Available Models
Claude Opus 4.8GPT-5.5Gemini 3.1 Pro
Monthly Requests
High free limits across all models
Credit card required
No phone verification
// Quick start
# 1. Register at app.coworker.ai with Gmail
# 2. Settings → Coworker MCP → Add payment method
# 3. Add a card (zero"text-amber-400">-balance card works)
# 4. Access Claude Opus 4.8, GPT-5.5, Gemini 3.1 Pro for free
# Team memory — every team member's chats feed into shared agent context
# MCP integrations — dozens of ready connectors built in
# Custom agents — build your own with full company context from day one// Overview
Coworker gives access to every major frontier model — Claude Opus 4.8, GPT-5.5, and Gemini 3.1 Pro — under one roof. Adds shared company memory (every team member's chats feed into one agent context), built-in MCP integrations, custom agents, and file downloads. Register with Gmail; requires a card on file to unlock the free quota.
// Pros
- All three frontier models (Opus 4.8, GPT-5.5, Gemini 3.1) in one place
- Shared team memory — AI knows what colleagues discussed
- MCP + custom agents built in, no setup required
// Cons
- Credit card required to unlock free quota
- Newer platform — less established than individual providers
- Team memory raises privacy considerations
// Score breakdown
Reliability (35%) (from 1m ago health check)100/100
Free Tier Generosity (30%) (computed from quota, no-CC, no-phone fields)55/100
Documentation (20%) (human rating)78/100
Popularity (15%) (GitHub stars (log-normalised), or manual baseline)80/100
Methodology: apivault.dev/methodology
// Best for
Teams replacing multiple AI subscriptionsCompany-wide AI with shared contextAgent workflows with MCP integrations
// Recent changes
Jun 7, 2026Added to APIVault — free frontier model access with CC bindadded