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GLM 5.3 Flash price cut: output $0.71 → $0.20 per 1M tokens

Z.ai's GLM 5.3 Flash changed its list price between Oct 16, 2026 and Oct 18, 2026: input $0.023 → $0.048 and output $0.71 → $0.20 per 1M tokens (-72%).

What it means per task

Same tokens as today's measurement, old price vs new price.

TaskBeforeAfterPer 1,000 tasks
Answer a chat question0.13¢0.04¢$1.26 → $0.36
Reply to a customer email0.02¢<0.01¢$0.19 → $0.06
Write a 1,500-word blog post0.49¢0.14¢$4.88 → $1.39
Write 10 product descriptions0.50¢0.14¢$4.97 → $1.42
Translate 1,000 words0.72¢0.21¢$7.19 → $2.09
Proofread one page (500 words)0.06¢0.02¢$0.58 → $0.19
Summarize a 20-page PDF0.16¢0.10¢$1.58 → $0.99
Extract data from an invoice0.07¢0.02¢$0.74 → $0.22
Analyze a 200-row spreadsheet1.1¢0.34¢$11.40 → $3.44
Answer from 5 retrieved documents (RAG)0.15¢0.06¢$1.47 → $0.57
Classify 100 support tickets0.56¢0.16¢$5.57 → $1.63
Review 500 lines of code1.1¢0.34¢$11.39 → $3.42
Write a SQL query0.11¢0.03¢$1.13 → $0.33
Run a 50-step coding agent8.2¢12¢$82.19 → $116