ZenMux Builder Pro
150+ aggregated models (Claude, GPT-5.x, Gemini, GLM, Kimi) via one OpenAI/Anthropic-compatible key, billed in 'Flows': 50 Flows/5h, ~213/week, ~914/month max ≈ $30 of API value (1.5x multiplier)
ZenMux Builder Pro scores 6.2/10 for free value in LLM. The main constraint: Paid — $20/mo (Max $100 and Ultra $200 tiers carry ~1.8x / 2.4x multipliers). 150+ aggregated models (Claude, GPT-5.x, Gemini, GLM, Kimi) via one OpenAI/Anthropic-compatible key, billed in 'Flows': 50 Flows/5h, ~213/week, ~914/month max ≈ $30 of value in API terms (1.5x multiplier).
Free value score
6.2 / 10Show the math
Key metrics
What you get
Paid — $20/mo (Max $100 and Ultra $200 tiers carry ~1.8x / 2.4x multipliers). 150+ aggregated models (Claude, GPT-5.x, Gemini, GLM, Kimi) via one OpenAI/Anthropic-compatible key, billed in 'Flows': 50 Flows/5h, ~213/week, ~914/month max ≈ $30 of value in API terms (1.5x multiplier)
~$30 of value in premium-model API terms for $20 (1.5x) — good for discounted Claude/GPT dabbling, NOT for volume; a handful of Opus requests can exhaust the 5h cap
Gotchas
No gotchas documented yet. Contribute one if you know a constraint we missed.
Sources
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"Pro $20/mo: 5h quota 50 Flows, weekly 213.37, monthly max 914.443 Flows (1 Flow ≈ $0.03283)"
https://zenmux.ai/docs/guide/subscription.html -
"Builder Plan is only for personal development and learning ... must not be used in production"
https://zenmux.ai/docs/guide/subscription.html
Alternatives
Same category · similar quotaAlways-on personal cloud box (4 cores / 32GB RAM / 100GB+, 5 services) with built-in AI agent: GLM 5.2, MiniMax M3, DeepSeek V4 Pro on a rotating daily allowance + $10/mo credits for at-cost Claude/GPT/Gemini; MCP server + BYOK