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Gemini vs GPT

Gemini and GPT side by side: model sizes, the VRAM you need, context window, abilities, licence and which one to pick.

Side by side

GeminiGPT
TypeAPI-only modelsAPI-only models
DeveloperGoogle DeepMindOpenAI
Newest modelGemini 4 Hydrogen · Nov 2026GPT-6.1 Terra · Oct 2026
SizesNot disclosedNot disclosed
Smallest VRAM (4-bit)Runs in the cloudRuns in the cloud
Context window1M tokens1.05M tokens
AbilitiesTool callingReasoning modeImage inputAudio inputTool callingReasoning modeImage input
LicenceProprietary (API only)Proprietary (API only)
Run itAPI: gemini-4-hydrogenAPI: gpt-6.1-terra
Next retirementGemini 2.5 Pro · 1 Dec 2026GPT-5, GPT-5 mini, GPT-5 nano · 11 Dec 2026

Which one should you pick?

  • GPT reads longer inputs: a 1.05M-token context window.
  • Only Gemini has audio input.

Pick Gemini if…

  • you need video or audio input
  • you run on Google Cloud or Workspace
  • you want the cheapest 1M-context model (Flash-Lite)

Pick GPT if…

  • you are already on the OpenAI platform or ChatGPT
  • you need computer use or visual reasoning (GPT-6.1 Terra)
  • you want a very cheap tier with 1M context (GPT-6 Luna)

Frequently asked questions

Is Gemini better than GPT?

It depends on the job and your hardware. GPT reads longer inputs: a 1.05M-token context window. Only Gemini has audio input. For quality, test both on your own prompts: benchmark rankings change with every release.

Can I use Gemini and GPT commercially?

Gemini: Proprietary (API only). GPT: Proprietary (API only). Check the exact licence of the model you deploy; custom licences can limit very large companies or certain uses.

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