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GLM 5.3 price cut: output $4.40 → $2.86 per 1M tokens

Z.ai's GLM 5.3 changed its list price between Aug 21, 2026 and Sep 21, 2026: input $1.40 → $0.91 and output $4.40 → $2.86 per 1M tokens (-35%).

What it means per task

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

TaskBeforeAfterPer 1,000 tasks
Answer a chat question0.79¢0.51¢$7.91 → $5.14
Reply to a customer email0.15¢0.10¢$1.51 → $0.98
Write a 1,500-word blog post3.1¢2.0¢$30.55 → $19.86
Write 10 product descriptions3.1¢2.0¢$31.39 → $20.40
Translate 1,000 words4.7¢3.0¢$46.54 → $30.25
Proofread one page (500 words)0.45¢0.29¢$4.53 → $2.94
Summarize a 20-page PDF2.6¢1.7¢$26.17 → $17.01
Extract data from an invoice0.51¢0.33¢$5.08 → $3.30
Analyze a 200-row spreadsheet7.7¢5.0¢$77.26 → $50.22
Answer from 5 retrieved documents (RAG)1.4¢0.90¢$13.87 → $9.02
Classify 100 support tickets3.6¢2.4¢$36.34 → $23.62
Review 500 lines of code7.7¢5.0¢$76.74 → $49.88
Write a SQL query0.72¢0.47¢$7.20 → $4.68
Run a 50-step coding agent$3.33$2.16$3,328 → $2,163