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SFAI / MODEL PROFILE

OpenAI: GPT-5.5

GPT-5.5 is OpenAI’s frontier model designed for complex professional workloads, building on GPT-5.4 with stronger reasoning, higher reliability, and improved token efficiency on hard tasks. It features a 1M+ token...

Developer
openai
Input modalities
file, image, text
Output modalities
text
Context tokens
1,050,000
Latest price observation
2026-09-28
Lowest paired standard token quote
$5.00 input / $30.00 output per 1M tokens

Dated price and provider records

Provider and channelInputOutput or native rateUnit and statusSource and observation
Automatic routingopenrouter$5.00$30.001M tokenspriced · USDopenrouter2026-09-28

These are dated, non-executable observations. Verify the exact endpoint, price and terms with the source before use. Unknown values are not free.