openai

OpenAI: GPT-5.6 Terra Pro

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

Prices updated: 7/28/2026

Input
250
credits / 1M tokens
Output
1,500
credits / 1M tokens
Context
1050k
tokens
Messages per $1 USD
≈ 100
typical message: 1k tokens in + 500 out

Prices in credits per million tokens. 1 credit = $0.01 USD. Final price, billed in MXN at the exchange rate on payment day + VAT (CFDI). Subject to change without notice.

Additional prices

Cache (read): 25 /1M
Cache (write): 313 /1M
Web search: 1,000,000 /1M

Spec sheet

Inputs
file, image, text
Outputs
text
Max output tokens
128,000
Knowledge cutoff
2026-02-16
Tokenizer
GPT
Capabilities
Text / LLM
Vision / OCR
Tools
JSON
Reasoning

Use it in your code

One OpenAI-compatible endpoint. Switch models by changing one line.

curl https://api.deployalo.com/ai/gateway/v1/chat/completions \
  -H "Authorization: Bearer $DEPLOYALO_AI_KEY" \
  -H "Content-Type: application/json" \
  -d '{"model":"openai/gpt-5.6-terra-pro","messages":[{"role":"user","content":"Hola"}]}'

Ready to use it?

Top up a credit pack, create your API key with a spend cap and start in minutes.