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GPT-5.5
Commercial useGPT-5.5 is OpenAI’s advanced reasoning model for agentic coding, knowledge work, scientific research, and complex multi-step task execution.
Pricing theo tokenInput 500 credits / 1M (≈ $2.50)Output 3000 credits / 1M (≈ $15.00)
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Input
Used to describe the generated output.
Priced per token (in 500 · out 3000 cr / 1M)
Output
output typetext
Ready to create
Fill the inputs and click Run.
Examples
Click an example to load it into the Playground and try it.
README
GPT-5.5 API
GPT-5.5 is OpenAI’s advanced reasoning model for agentic coding, knowledge work, scientific research, and complex multi-step task execution.
Capabilities
- ✓ chat
How to use it on CinAPI
- 1Create an API key. Go to API Keys to create a hal_… key for your app.
- 2Try it in the Playground. Fill in the Playground tab form and click Run to see instant results (real credits deducted).
- 3Call via the API. POST to /v1/claude with a Bearer key to integrate it into your product.
- 4Integrate & scale. One key works for every model (text / image / video). Track usage & logs in the dashboard.
Pricing
0 credits per run (≈ $0.00). Credits never expire; top up on the Billing page. Some models are priced by parameters (resolution, duration) — the price updates in real time on the Run button before you run.
Frequently asked questions
Sign up for a CinAPI account, create an API key under API Keys, then call the endpoint with a Bearer key. New accounts get 200 free credits.
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