GPT-5.5 Pro
OpenAILanguage modeling/generationQuestion answering
GPT-5.5 Pro is language modeling/generation model published by OpenAI in 2026.
About GPT-5.5 Pro
OpenAI · Multimodal,Language,Vision · Language modeling/generation,Question answering
LLM pricing & performance
Full LLM page →GPT-5.5 Pro is available via API — live cost, context, and benchmark data:
Input / 1M
$30.00
Output / 1M
$180.00
Context
1.1M
Tokens/sec
—
Details
- Provider
- OpenAI
- Task
- Language modeling/generation,Question answering
- Released
- 2026-04-23
- Open weights
- No