Changelog/OpenAI: GPT-3.5 Turbo Instruct releasedReleaseApril 18, 2026OpenAI: GPT-3.5 Turbo Instruct releasedOpenAI: GPT-3.5 Turbo Instruct discovered via OpenRouter. Provider: OpenAI.Provider: OpenAIModel: OpenAI: GPT-3.5 Turbo Instruct