GPT-5.6 Terra Pro
GPT-5.6 Terra Pro is the same underlying model as GPT-5.6 Terra, served with `reasoning.mode` set to `pro` for higher-quality responses on complex tasks. **Cost note:** pro mode spends far more...
- Context window: 1.1M tokens
- Max output: 128K tokens
- Reads: file, image, text
- Writes: text