OpenAI releases GPT-5.5 (batch)

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...

Type: MODEL_LAUNCH
Detection: listing
Confidence: medium
Status

Related entities

ModelGPT-5.5 (batch)CompanyOpenAI

Primary source

OpenRouter models API · openrouter.ai/openai/gpt-5.5:batch ↗

Structured listing of 400+ hosted models: prices per token, context length, modalities, supported parameters and listing date. Prices are OpenRouter's listed prices, which usually mirror first-party pricing but can differ.