Changelog/OpenAI: GPT-3.5 Turbo (older v0613) releasedReleaseApril 18, 2026OpenAI: GPT-3.5 Turbo (older v0613) releasedOpenAI: GPT-3.5 Turbo (older v0613) discovered via OpenRouter. Provider: OpenAI.Provider: OpenAIModel: OpenAI: GPT-3.5 Turbo (older v0613)