ESP32 is espressif's follow on to teh ESP8266. ESP32 features two cores, wifi & bluetooth radios.
You can flash it with MicroPython available here http://micropython.org/download#esp32
You can get a nice ESP32 module on a basic breakout board with an integrated OLED screen here https://www.tindie.com/products/lspoplove/d-duino-32-v25arduino-and-node32-and-esp32-and-096oled/
You can find a write up on getting going with this here http://www.instructables.com/id/MicroPython-on-an-ESP32-Board-With-Integrated-SSD1/