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GPT-5.6 Terra Pro price increase: output $6.00 → $12.00 per 1M tokens
OpenAI's GPT-5.6 Terra Pro changed its list price between Aug 3, 2026 and Aug 21, 2026: input $1.00 → $2.00 and output $6.00 → $12.00 per 1M tokens (+100%).
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 | 0.71¢ | 1.4¢ | $7.12 → $14.24 |
| Reply to a customer email | 0.08¢ | 0.16¢ | $0.82 → $1.64 |
| Write a 1,500-word blog post | 1.4¢ | 2.8¢ | $14.22 → $28.44 |
| Write 10 product descriptions | 0.64¢ | 1.3¢ | $6.41 → $12.82 |
| Translate 1,000 words | 0.97¢ | 1.9¢ | $9.70 → $19.40 |
| Proofread one page (500 words) | 0.52¢ | 1.0¢ | $5.25 → $10.50 |
| Summarize a 20-page PDF | 1.6¢ | 3.2¢ | $16.19 → $32.37 |
| Extract data from an invoice | 0.37¢ | 0.75¢ | $3.75 → $7.49 |
| Analyze a 200-row spreadsheet | 2.2¢ | 4.3¢ | $21.54 → $43.09 |
| Answer from 5 retrieved documents (RAG) | 0.57¢ | 1.1¢ | $5.72 → $11.44 |
| Classify 100 support tickets | 0.75¢ | 1.5¢ | $7.47 → $14.94 |
| Review 500 lines of code | 3.6¢ | 7.2¢ | $36.10 → $72.21 |
| Write a SQL query | 0.48¢ | 0.96¢ | $4.82 → $9.64 |
| Run a 50-step coding agent | $2.37 | $4.74 | $2,370 → $4,739 |