Back to GPT-5.6 Terra pricing
GPT-5.6 Terra price history
Every tracked change to GPT-5.6 Terra token pricing on the OpenAI API — input, output, and cached-input rates per million tokens. Data goes back to July 12, 2026.
Price per million tokens
Price change events
| Date | Direction | Input | Output | Notes |
|---|---|---|---|---|
| July 30, 2026 | Decrease | $2.5 → $2/M (−$0.5) | $15 → $12/M (−$3) | OpenAI cut GPT-5.6 Terra API pricing by 20% on July 30, 2026. Input $2.50 → $2.00/M tokens, Output $15.00 → $12.00/M tokens, Cache Read $0.25 → $0.20/M tokens. Sources: unite.ai/openai-cuts-api-prices-on-its-two-cheaper-gpt-5-6-tiers/, aipricing.guru/openai-pricing/. Same-day companion move to Luna 80% cut. Context: competitive pressure from Chinese open-source models. Flagship Sol pricing unchanged. |
Full snapshot log
| Snapshot date | Input / 1M | Output / 1M | Cached input / 1M |
|---|---|---|---|
| July 30, 2026 | $2 | $12 | $0.2 |
| July 13, 2026 | $2.5 | $15 | $0.25 |
| July 12, 2026 | $2.5 | $15 | $0.25 |