GPT 5.6 Terra Pro
GPT-5.6 Terra with Pro reasoning mode. Pro mode performs more model work for difficult tasks; reasoning effort remains independently configurable and defaults to medium.
- Reasoning
- Vision
- Native PDF input
- Tool Calling
- Structured Output
Added Jul 9, 2026
Pricing
Auto routing · per 1M tokens- Input
- $2.00
- Output
- $12.00
- Cache read
- $0.20
Specifications
- Context window
- 1.1M
- Max output
- 128K
- Avg output (7d)
- 1.7K tokens
- Longer than 90% of models
Benchmarks
No public benchmark scores for this model yet.
Providers
Auto routing is available for this model. Explicit provider selection is not available.
| Cache write /M | ||||||
|---|---|---|---|---|---|---|
 Recommended | $2.00 | $12.00 | $0.20 | $2.50 | N/A | N/A |
| >272k | $4.00 | $18.00 | $0.40 | $5.00 |
