GPT-3.5 Turbo (now $0.0015 per 1K input tokens) ## gpt-3.5-turbo-16k - four times the context length of the 4k base model - priced at $0.003 per 1K input tokens and $0.004 per 1K output tokens. ## gpt-3.5-turbo-0613 more steerable with the system message and includes a new capability: function calling. By describing functions in your prompts, the model can intelligently output a JSON object containing arguments to call these functions based on user input — perfect for integrating with other tools or APIs. Learn more in our [function calling documentation](http://url3243.email.openai.com/ls/click?upn=8NGuCp9HhBmIwvt7K-2Bq2nILX-2B5rHUfYyvCd2ZUkBec819gUbMOcpnK5enS3RP52OOxQalqtdRW0cbmELz8rrWFTo-2FC1D-2BRbUIJtqHdJUlKw-3DWu_Q_yb-2FKPCiDVAu4JDEkogirFE6ymzKbWVF6sz1Hy7NyHVsAY7oGsBz6Tw-2BwDpk9vYHK6qdlGeoQT-2BgLUJy0JsyQGKuVuQdPfKmOxmTsDk7M1f2XAfurlsp8DQSA1h9nn4uSIpWYcD4II3MS4GHO6JdgBY1rq1hKsucI3oTykoFqi9pKFQjUKUlHGn8SbhFUCrUUPuh5jr2-2BfFiINKNoE6GNymIHdwhk2gUwmnv33FAPvTypMkznTdu1gLJhvHEdLpzAiPIciDsoUVINkUmkYIdJlMF6q34erl8bFt0pixJq4ndgBfQ80lVGXAoPes7UtbJcZl2PdSdsKvey9TZNDd2CNmpXsJBvAJvQpZEGJQ2DSRp9G9t-2FKIiqcG9s8LcdLFQnFgP-2F4H5NnwKmJjAsf28mHl29MBPP2MzNo2jKoSPQVhM4GzJU5-2Fl4uw8UAlO9qAA6VG1Siux03C6MZt47Ig5xvQi1UsLh-2FWNnHRpAmnBH3bVrGgs-2Bhkwtkp6i4NPKClIcLW7uH1aNRJtg6HVVCJVaN3O9Xi2W5jVhiCK3FWGQb7etIvUXw-2BGIEf2kPStn56x3a21AdcgzE-2B8hBQuX9s-2FGB7Brbc-2BdLjDhu9c88IE-2FAHpr9XkS3zUdY2AqYB0DZQx-2FEuowmM9Vmyj062fdhSmQGh8jVVraLfFBXGl-2BfC-2BJqW5wZhuCTbz-2F3w2s0g5EB3nZ-2FXKKZiO2C4UaDshJ3nLau0Zq-2FLo1AOXz9YbxhWsb5-2FYv2E4kWhHMP1EFjlkCobXCH8xNJP5aCjX4m9Swxmap-2Fj8Dcev64Ekiunn97YRwEo8MkV8tV9c2nLGMXYqdbgc-2FIjQ-2BlMj-2FMAysrKr-2BgGqirl6tW0vG-2FpgIRqOzf-2Bq0Yse9DE7J1rqM8jXfbnCp9-2BAR4FRUARtUXaF6wc3ppxMp5Nj8nQnNSPBjktCbZd2H-2BYfxpqxm4zE5YLs3NauK3WgS5zb4ZnU2D2HQZf6P4dxmpe1940Ssy6B72C7-2B0i4kr0Q-3D).