GPT-5 vs Gemini: Full Comparison

GPT-5 vs Gemini: compare reasoning, coding, writing, context window and pricing. Try both free on Multio — one account, every model.

Try GPT-5 and Gemini free on Multio

Every major model, one app

Side-by-side specs

Multio runs GPT-5 and Gemini 3.1 Pro Preview under one subscription. Swap models mid-conversation to run the same prompt through each and pick the response that fits your task.

SpecGPT-5Gemini 3.1 Pro Preview
ProviderOpenAIGoogle
Free tierNoNo
Context window400K tokens1.05M tokens
Max output tokens128K tokens66K tokens
Input modalitiesText, Image, FileAudio, File, Image, Text, Video
Output modalitiesTextText
Input price (per 1M tokens)$1.25/M$2.00/M
Output price (per 1M tokens)$10.00/M$12.00/M
Read the full GPT-5 write-up
GPT-5 on Multio →
Read the full Gemini write-up
Gemini 3.1 Pro Preview on Multio →

FAQ

Which is better, GPT-5 or Gemini?
On Multio, GPT-5's flagship GPT-5 offers a 400,000-token context window, while Gemini's flagship Gemini 3.1 Pro Preview offers 1,048,576 tokens. GPT-5 tends to lead in multi-step reasoning, while Gemini tends to lead in multimodal grounding. Run both on the same prompt in Multio to judge on your own use case.
Can I use both GPT-5 and Gemini on one account?
Yes. Multio includes GPT-5, Gemini 3.1 Pro Preview, and every other major model under one subscription — no provider-specific accounts or separate billing.
How do I switch between GPT-5 and Gemini mid-conversation?
Multio lets you swap the underlying model in any chat without losing context — open the model picker above the input and pick GPT-5 or Gemini 3.1 Pro Preview.
Is GPT-5 or Gemini free on Multio?
Multio's free tier covers a rotating set of models. Check each model page to see current free-tier availability —