GPT-5.4 Mini, GPT-5.4 Nano & Gemini 3.1 Flash Now Available

Samuel Su

Samuel Su

on April 7, 2026

We're excited to announce the availability of OpenAI's GPT-5.4 Mini, GPT-5.4 Nano, and Google's Gemini 3.1 Flash on Chat Data. These models bring cost-efficient intelligence and faster response times to your customer support chatbots.

New Models

  • GPT-5.4 Nano: Ultra-fast GPT-5.4 nano variant for high-volume and real-time applications
  • GPT-5.4 Mini: Balanced GPT-5.4 mini with flagship intelligence at reduced cost and optimized speed
  • Gemini 3.1 Flash: Google's newest generation multimodal model with improved reasoning, optimized for speed and price-performance

Key Improvements for Chatbots

  • Cost-Efficient Intelligence: GPT-5.4 Nano and Mini offer flagship-quality responses at a fraction of the cost of the full GPT-5.4 model
  • Faster Response Times: Nano and Flash models are optimized for low-latency use cases like real-time chat and high-volume applications
  • Improved Reasoning: Gemini 3.1 Flash brings enhanced reasoning capabilities in a fast, affordable package
  • Multimodal Support: All new models support image understanding for richer chatbot interactions

All three models are now available in your Chat Data model selector.

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