OpenAI releases GPT-5.1-Codex

GPT-5.1-Codex is a specialized version of GPT-5.1 optimized for software engineering and coding workflows. It is designed for both interactive development sessions and long, independent execution of complex engineering t

Type: MODEL_LAUNCH
Detection: listing
Confidence: medium
Status

Related entities

ModelGPT-5.1-Codex CompanyOpenAI

Primary source

OpenRouter models API · openrouter.ai/openai/gpt-5.1-codex ↗

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.