Google Gemini and OpenAI are both listed under Generative AI in the DevPages directory. This page puts the details we hold for each of them side by side.
It does not score them and does not pick a winner. Fields the catalog has no value for say “Not recorded” rather than being filled in with a guess.
Google Gemini vs OpenAI field by field
Google Gemini, OpenAI compared field by field. Values are taken from the DevPages catalog; fields we hold no value for read “Not recorded”.
Google's family of multimodal AI models, and the Gemini app built on them
Gemini is Google's family of multimodal models and the assistant app built on them. In the Gemini API the lineup is tiered into Pro, Flash and Flash-Lite models: Gemini 3.1 Pro is in preview with a 1,048,576-token input limit, Gemini 3.8 Flash is the newest Flash release, and the Gemini 2.5 models remain available. The Gemini app has a free tier and paid Google AI Plus, Pro and Ultra plans.
AI research company behind ChatGPT and the GPT models, with APIs for text, reasoning, image, speech and voice
OpenAI builds the GPT family of models and ChatGPT. In its API, GPT-6 Astra is the flagship model for complex reasoning and coding, and GPT-5.6 Sol, Terra and Luna trade intelligence against cost. It also offers GPT-Image-2.5 for image generation and editing, GPT-Transcribe for speech-to-text, and GPT-Live and GPT-Realtime models for voice. New integrations build on the Responses API; the older Assistants API was shut down on 26 August 2026.
