OpenAI: GPT-5.6 Terra Pro vs Ox Alpha
On input price, Ox Alpha is ~20000.0× cheaper. Verified 2026-08-23.
| Metric | OpenAI: GPT-5.6 Terra Pro | Ox Alpha |
|---|---|---|
| Input / 1M | $2.00 | Free |
| Output / 1M | $12.00 | Free |
| Cache read / 1M | $0.200 | — |
| Context window | 1.1M | 1.0M |
| Max output | 128K | 131K |
Monthly cost by workload
| Workload | OpenAI: GPT-5.6 Terra Pro | Ox Alpha | Cheaper |
|---|---|---|---|
| Chatbot | $64.00 | $0.00 | Ox Alpha |
| Coding agent | $200.00 | $0.00 | Ox Alpha |
| RAG pipeline | $420.00 | $0.00 | Ox Alpha |
Full details: OpenAI: GPT-5.6 Terra Pro pricing · Ox Alpha pricing