LLMCost

ScaleDown: Summarize vs Z.ai: GLM 5.3 Prime

On input price, ScaleDown: Summarize is ~70.0× cheaper. Verified 2026-10-21.

ScaleDown: Summarize $0.040/FreevsZ.ai: GLM 5.3 Prime $2.80/$8.80

Verdict

On blended price (3:1 input:output), ScaleDown: Summarize is ~143.3× cheaper ($0.040/Free vs $2.80/$8.80 per 1M tokens).

Pricing

Per-million-token list prices, verified 2026-10-21. Green marks the better value.

MetricScaleDown: SummarizeZ.ai: GLM 5.3 Prime
Input / 1M$0.040$2.80
Output / 1MFree$8.80
Cache read / 1M—$0.560
Blended (3:1)$0.030/1M$4.30/1M
Estimated monthly costScaleDown: SummarizeZ.ai: GLM 5.3 Prime
Chatbot10,000 reqs · 800/400 tok$0.32$57.60
Coding agent5,000 reqs · 8000/2000 tok$1.60$200.00
RAG pipeline30,000 reqs · 4000/500 tok$4.80$468.00

Plug in your own numbers in the calculator, or paste a real bill into the Bill Shredder.

Specifications & capabilities

MetricScaleDown: SummarizeZ.ai: GLM 5.3 Prime
Context window1M1M
Max output4K131K
Vision input✓–
Tool calling–✓
Reasoning–✓

Provider

Infrastructure metrics for the organizations behind these models.

MetricscaledownZ.ai (GLM)
Listed endpoints—4
Reliability—99.2%
Avg latency—500 ms
Pricing tiers—standard, free, batch

Full details: ScaleDown: Summarize pricing · Z.ai: GLM 5.3 Prime pricing