OpenAI: GPT-5.6 Terra Pro
GPT-5.6 Terra Pro is the same underlying model as [GPT-5.6 Terra](https://openrouter.ai/openai/gpt-5.6-terra), served with `reasoning.mode` set to `pro` for higher-quality responses on complex tasks. Learn more in OpenAI's docs: https://developers.openai.com/api/docs/guides/reasoning#reasoning-mode
Anyone in the Project can @-mention OpenAI: GPT-5.6 Terra Pro with the team's shared context - pooled credits, one chat, one memory.
Specifications
- Provider
- openai
- Category
- llm
- Context length
- 1,050,000 tokens
- Max output
- 128,000 tokens
- Modalities
- file, image, text
- License
- proprietary
- Released
- 2026-07-09
Pricing
- Input
- $2.50/Mtok
- Output
- $15.00/Mtok
- Model ID
openai/gpt-5.6-terra-pro
Per-token prices show what the model costs upstream. On Switchy your team draws from one shared org credit pool - one plan, one balance for everyone.
Team cost calculator
5 seats · 80 msgs/day
Switchy meters this against your org's shared credit pool - one plan, one balance for everyone.
Providers
Performance
Benchmarks
Works well with
Top MCPs
Compatibility data comes from first-party telemetry; once we have enough co-usage signal, top MCPs for this model will appear here.