{"slug": "gpt-4-launched-with-8192-tokens-and-a-limited-32768-token-variant", "title": "GPT-4 launched with 8,192 tokens and a limited 32,768-token variant.", "summary": "OpenAI's GPT-4, launched in March 2023, had an 8,192-token context window with limited access to a 32,768-token variant, not the 128,000-token window claimed. The 128K context window was introduced with GPT-4 Turbo in November 2023, according to a fact-check by Lenz on Sep 7, 2026.", "body_md": "GPT-4 launched with 8,192 tokens and a limited 32,768-token variant.\n\nThe Claim\n\nGPT-4 had a context window of 128,000 tokens at its release in March 2023.\n\nNOT BS\n\nTOTAL BS\n\nTOTAL BS — Verdict: False\n\nVerified by Lenz · Sep 7, 2026\n\nThe Short Version\n\nThe March 2023 release did not provide a 128,000-token context window. OpenAI documented an 8,192-token window for GPT-4 and limited access to a 32,768-token variant; the 128K window was announced for GPT-4 Turbo in November 2023. The claim conflates the original model with that later release.\n\nCaveats\n\nThe claim conflates the original GPT-4 with the later GPT-4 Turbo model.\n\nThe 128K context window was announced in November 2023, not March 2023.\n\nGeneral references to long-context research do not establish a 128K launch capacity.", "url": "https://wpnews.pro/news/gpt-4-launched-with-8192-tokens-and-a-limited-32768-token-variant", "canonical_source": "https://isthisbs.org/tech/gpt-4-had-a-context-window-of-128000-tokens-at-its-release-fae743e0/", "published_at": "2026-09-07 12:45:14+00:00", "updated_at": "2026-09-07 14:26:25.271279+00:00", "lang": "en", "topics": ["large-language-models", "artificial-intelligence"], "entities": ["OpenAI", "GPT-4", "GPT-4 Turbo", "Lenz"], "alternates": {"html": "https://wpnews.pro/news/gpt-4-launched-with-8192-tokens-and-a-limited-32768-token-variant", "markdown": "https://wpnews.pro/news/gpt-4-launched-with-8192-tokens-and-a-limited-32768-token-variant.md", "text": "https://wpnews.pro/news/gpt-4-launched-with-8192-tokens-and-a-limited-32768-token-variant.txt", "jsonld": "https://wpnews.pro/news/gpt-4-launched-with-8192-tokens-and-a-limited-32768-token-variant.jsonld"}}