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OpenAI: GPT-5.5 Pro (batch)

OpenAIModerated
openai/gpt-5.5-pro:batch

About this model

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...

Make a request

OpenAI-compatible: set the base URL and your Promptix API key, keep your existing SDK.

curl https://promptix.tn/api/v1/chat/completions \  -H "Authorization: Bearer $PROMPTIX_API_KEY" \  -H "Content-Type: application/json" \  -d '{    "model": "openai/gpt-5.5-pro:batch",    "messages": [      {"role": "user", "content": "Hello! What can you do?"}    ]  }'

Pricing

In TND per 1M tokens. VAT and the platform fee are added at top-up.

Input tokens

58.065 TND

per 1M tokens

Output tokens

348.387 TND

per 1M tokens

1,000 requests with 1K input and 500 output tokens cost about 232.258 TND.

Specifications

Provider
OpenAI
Context window
1,050,000 tokens
Input modality
Text
Added
Apr 24, 2026
Supported parameters
include_reasoningmax_tokensreasoningreasoning_effortresponse_formatseedstructured_outputstool_choice