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OpenAIgpt-5.5-pro

OpenAI: GPT-5.5 Pro API Pricing

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 supp...

Base Input Price$30.00/ 1M tokens
Base Output Price$180.00/ 1M tokens
Prompt Cache Read$15.000-50% discount
Batch API Rate-50%24h async offload

Inference Hosts & Aggregator Providers

Compare rates and latency across direct APIs, OpenRouter, and hyperscale cloud providers

Live verified rates
Provider NameInput / 1MOutput / 1MPrompt CachingAccess Endpoint
OpenAI Direct$30.00$180.00SupportedConnect
OpenRouter$30.00$180.00SupportedConnect