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GPT-5.6 Sol Pro price cut: output $20.00 → $10.00 per 1M tokens
OpenAI's GPT-5.6 Sol Pro changed its list price between Sep 29, 2026 and Oct 5, 2026: input $4.00 → $2.00 and output $20.00 → $10.00 per 1M tokens (-50%).
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 | 2.4¢ | 1.2¢ | $23.76 → $11.88 |
| Reply to a customer email | 0.29¢ | 0.15¢ | $2.91 → $1.46 |
| Write a 1,500-word blog post | 4.7¢ | 2.4¢ | $47.44 → $23.72 |
| Write 10 product descriptions | 2.2¢ | 1.1¢ | $21.55 → $10.78 |
| Translate 1,000 words | 3.3¢ | 1.7¢ | $33.22 → $16.61 |
| Proofread one page (500 words) | 1.8¢ | 0.90¢ | $17.97 → $8.99 |
| Summarize a 20-page PDF | 6.3¢ | 3.1¢ | $62.61 → $31.30 |
| Extract data from an invoice | 1.3¢ | 0.64¢ | $12.73 → $6.37 |
| Analyze a 200-row spreadsheet | 7.5¢ | 3.7¢ | $75.00 → $37.50 |
| Answer from 5 retrieved documents (RAG) | 2.2¢ | 1.1¢ | $21.52 → $10.76 |
| Classify 100 support tickets | 2.6¢ | 1.3¢ | $25.74 → $12.87 |
| Review 500 lines of code | 12¢ | 6.2¢ | $123 → $61.69 |
| Write a SQL query | 1.6¢ | 0.81¢ | $16.14 → $8.07 |
| Run a 50-step coding agent | $9.39 | $4.70 | $9,390 → $4,695 |