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ZenMux Builder Pro

LLM 6.2/10

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).

Category LLM Kind Paid plan Caveats No production/automated use on subscription (must move to their pay-as-you-go for that); Flow/USD rate floats; abuse policy can reduce your effective Flow value below standard; GLM 5.2 / Kimi K2.7 confirmed only on PAYG tier, not subscription

Free value score

6.2 / 10
Show the math
Model Quality 7.2/10
value = 40 artificial_analysis_score
weighted score = 0.2 * 7.2/10
Access 10/10
value = 10/10
weighted score = 0.1 * 10/10
Price Efficiency 5.4/10
value = 1.5 value/$
weighted score = 0.7 * 5.4/10

Key metrics

GLM-5.1 40 Best model
1.5x Value ratio

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

Sources

paid value llm-providers
Open service ← All LLM