OpenAI has posted in their official blog that GPT-4 is now accessible to paying API users. GPT-4 API was launched back in March, but was in a closed testing stage. This API is able to utilize OpenAI's large language model (LLM) to assist in coding, summarization, composition, and analysis. OpenAI is also releasing a deprecation plan for their older models in Completions API to optimize their compute capacity. GPT-5.4, OpenAI's most recent frontier AI model, is now available via the API and Codex, as well as in ChatGPT as GPT-5.4 Thinking. Read more in our articles including "OpenAI GPT-4 now available" and "OpenAI to merge ChatGPT, Codex, browser into one app".
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Feb 10, 2026OpenAI has posted in their official blog that GPT-4 is now accessible to paying API users. GPT-4 API was launched back in March, but was in a closed testing stage.
This API is able to utilize OpenAI's large language model (LLM) to assist in coding, summarization, composition, and analysis. OpenAI is also releasing a deprecation plan for their older models in Completions API to optimize their compute capacity. GPT-5.4, OpenAI's most recent frontier AI model, is now available via the API and Codex, as well as in ChatGPT as GPT-5.4 Thinking.
Our coverage of openai gpt-4 api includes: "OpenAI GPT-4 now available"; "OpenAI to merge ChatGPT, Codex, browser into one app"; "OpenAI may launch desktop app for ChatGPT and coding tools". Each article provides unique insights and information.