openai

OpenAI: GPT-5.5 Pro

openai/gpt-5.5-pro

GPT-5.5 Pro is OpenAI’s high-capability model optimized for deep reasoning and accuracy on complex, high-stakes workloads. It features a 1M+ token context window (922K input, 128K output) with support for...

Prices updated: 7/28/2026

Input
6,000
credits / 1M tokens
Output
36,000
credits / 1M tokens
Context
1050k
tokens
Messages per $1 USD
≈ 4
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

Web search: 2,000,000 /1M

Spec sheet

Inputs
file, image, text
Outputs
text
Max output tokens
128,000
Knowledge cutoff
2025-12-01
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-5.5-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.