What is the difference between DeepSeek V3.2 and GPT-4o (Omni)?

DeepSeek V3.2 is developed by DeepSeek while GPT-4o (Omni) is developed by OpenAI. DeepSeek V3.2 has a 131K token context window vs GPT-4o (Omni)'s 128K. You can compare their actual outputs across 54 challenges on Rival to see how they differ in practice.

Which is better, DeepSeek V3.2 or GPT-4o (Omni)?

It depends on your use case. DeepSeek V3.2 and GPT-4o (Omni) each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 54 challenges so you can judge which fits your needs best.

How much does DeepSeek V3.2 cost compared to GPT-4o (Omni)?

DeepSeek V3.2 costs $0.28/M input tokens and GPT-4o (Omni) costs $2.5/M input tokens. DeepSeek V3.2 is $2.22/M cheaper per input. Check their side-by-side outputs on Rival to see if the price difference is justified by quality.

How can I compare DeepSeek V3.2 and GPT-4o (Omni) on Rival?

This page shows a side-by-side comparison of DeepSeek V3.2 and GPT-4o (Omni) across shared challenges. You can vote on which model produced the better output in a blind duel. Browsing and voting are free. No account is needed to look; signing in only saves your votes and likes.

Updated Dec 2025

DeepSeek V3.2vsGPT-4o (Omni)

DeepSeek V3.2 is cheaper than GPT-4o (Omni) at $0.28/M vs $2.5/M input tokens.

DeepSeek V3.2 and GPT-4o (Omni) compared across 54 shared prompts
Spec	DeepSeek V3.2	GPT-4o (Omni)
Input price	$0.28/M tokens	$2.5/M tokens
Output price	$0.42/M tokens	$10/M tokens
Context window	131K tokens	128K tokens
Weights	Open	Closed
Free API (OpenRouter)	No	No
Released	Dec 2025	May 2024