Prices / OpenAI

OpenAI: GPT-5.6 Terra Pro

OpenAI · 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. **Cost note:** pro mode spends far more...

Input / 1M
$2 · ₹191.48$2€1.79£1.51SGD 2.56A$2.87CA$2.85¥317CHF 1.66HK$15.71CN¥13.38 · ₹225.95 with GST
Output / 1M
$12 · ₹1,148.88$12€10.72£9.06SGD 15.36A$17.22CA$17.1¥1,901CHF 9.98HK$94.25CN¥80.25 · ₹1,355.68 with GST
Context
1.05M
Sample month
$13.2 · ₹1,263.77$13.2€11.79£9.97SGD 16.9A$18.94CA$18.81¥2,092CHF 10.98HK$103.67CN¥88.27 · ₹1,491.25 with GST

Sample workload: 100,000 input tokens and 20,000 output tokens per day for 30 days.

Cheaper alternatives

OpenRouter listing

Questions

What is the OpenAI: GPT-5.6 Terra Pro API price per 1 million tokens?

OpenAI: GPT-5.6 Terra Pro is listed at $2 input and $12 output per 1 million tokens in this snapshot. INR without GST is ₹191.48 input and ₹1,148.88 output. With 18% GST those INR amounts are ₹225.95 and ₹1,355.68.

What would OpenAI: GPT-5.6 Terra Pro cost for a sample month?

For 100,000 input tokens and 20,000 output tokens per day for 30 days, this snapshot prices OpenAI: GPT-5.6 Terra Pro at $13.2, ₹1,263.77 without GST, and ₹1,491.25 with 18% GST.

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