GPT-5.6 Terra Pro
GPT-5.6 Terra Pro sits in the frontier tier, built for high-capability reasoning, tool use, and long-form output where capability outweighs cost. Available via OpenAI. 1,050,000-token context. Premium pricing.
GPT-5.6 Terra Pro is a multimodal AI model from OpenAI. It costs $2.000 per million input tokens and $12.000 per million output tokens (blended $5.000/M), with a 1,050,000-token context window.
0.0%over 54 days · hover to read
- Strong general reasoning
- Tool use & function calling
- Long-form writing
- Production-grade reliability
- Multimodal: handles images alongside text
- Production assistants
- Long-document analysis
- Multi-step agent workflows
- Engineering copilots
Benchmarks
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See all 28 →Price history
2 recorded changes| Date | Rate | Was | Now | Change |
|---|---|---|---|---|
| 18 Aug 2026 | Output | $15.000 | $12.000 | -20% |
| 18 Aug 2026 | Input | $2.500 | $2.000 | -20% |
Rates per million tokens, as published by the provider or its router listing. Tracking runs since 3 May; anything earlier is not on record. See every tracked price change.
Frequently asked questions
How much does GPT-5.6 Terra Pro cost?
GPT-5.6 Terra Pro costs $2.000 per million input tokens and $12.000 per million output tokens, for a blended reference rate of $5.000 per million tokens.
What is GPT-5.6 Terra Pro's context window?
GPT-5.6 Terra Pro supports up to 1,050,000 tokens of context in a single request.
What is GPT-5.6 Terra Pro best for?
GPT-5.6 Terra Pro is well suited to Strong general reasoning, Tool use & function calling and Long-form writing.
Who makes GPT-5.6 Terra Pro?
GPT-5.6 Terra Pro is developed and served by OpenAI.