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GLM 5.3 Flash price increase: output $0.20 → $0.50 per 1M tokens
Z.ai's GLM 5.3 Flash changed its list price between Oct 18, 2026 and Oct 20, 2026: input $0.048 → $0.15 and output $0.20 → $0.50 per 1M tokens (+150%).
What it means per task
Same tokens as today's measurement, old price vs new price.
| Task | Before | After | Per 1,000 tasks |
|---|---|---|---|
| Answer a chat question | 0.04¢ | 0.09¢ | $0.36 → $0.90 |
| Reply to a customer email | <0.01¢ | 0.02¢ | $0.06 → $0.17 |
| Write a 1,500-word blog post | 0.14¢ | 0.35¢ | $1.39 → $3.47 |
| Write 10 product descriptions | 0.14¢ | 0.36¢ | $1.42 → $3.56 |
| Translate 1,000 words | 0.21¢ | 0.53¢ | $2.09 → $5.28 |
| Proofread one page (500 words) | 0.02¢ | 0.05¢ | $0.19 → $0.51 |
| Summarize a 20-page PDF | 0.10¢ | 0.29¢ | $0.99 → $2.86 |
| Extract data from an invoice | 0.02¢ | 0.06¢ | $0.22 → $0.57 |
| Analyze a 200-row spreadsheet | 0.34¢ | 0.87¢ | $3.44 → $8.73 |
| Answer from 5 retrieved documents (RAG) | 0.06¢ | 0.15¢ | $0.57 → $1.54 |
| Classify 100 support tickets | 0.16¢ | 0.41¢ | $1.63 → $4.12 |
| Review 500 lines of code | 0.34¢ | 0.87¢ | $3.42 → $8.68 |
| Write a SQL query | 0.03¢ | 0.08¢ | $0.33 → $0.82 |
| Run a 50-step coding agent | 12¢ | 36¢ | $116 → $358 |