GPT-3.5 Turbo retired 2026-10-23 → GPT-5.6 Terra

OpenAI retired GPT-3.5 Turbo on 2026-10-23, according to the company's deprecations page, ending availability of the model that offered a 16k context window, 4k maximum output and pricing of $0.50 per 1M input tokens and $1.50 per 1M output tokens. The retirement covers the aliases gpt-3.5-turbo, gpt-35-turbo, gpt-3.5-turbo-0125, gpt-3.5-turbo-1106, gpt-3.5-turbo-completions and openai/gpt-3.5-turbo, and the page points developers to a successor labeled GPT-5.6 Terra. Developers still calling the model must migrate, and the status tool llmstatus.ai is pitching a scan that flags models on a retirement clock.

OA✕ Retired GPT-3.5 Turbo OpenAI · gpt-3.5-turbo OpenAI deprecations page: retired 2026-10-23. Provider statement → https://developers.openai.com/api/docs/deprecations GPT-3.5text16k context4k max out$0.50 / $1.50 per 1M also matches: gpt-3.5-turbo gpt-35-turbo gpt-3.5-turbo-0125 gpt-3.5-turbo-1106 gpt-3.5-turbo-completions openai/gpt-3.5-turbo provider announcement → https://developers.openai.com/api/docs/deprecations Does your code call GPT-3.5 Turbo? $ curl -fsSL https://llmstatus.ai/install.sh | bash Then mm status in any repo — it finds every model you use and flags the ones on a clock. No account, nothing uploaded. Get alerted before it retires → https://llmstatus.ai/sign-up