Mistral Nemo vs GPT-5

Compare Mistral Nemo by Mistral AI against GPT-5 by OpenAI, in 5 community votes, gpt-5 wins 75% of head-to-head duels, context windows of 128K vs 400K, tested across 18 shared challenges. Updated April 2026.

Which is better, Mistral Nemo or GPT-5?

GPT-5 is the better choice overall, winning 75% of 5 blind community votes on Rival. Mistral Nemo costs $0.03/M input tokens vs $1.25/M for GPT-5. Context windows: 128K vs 400K tokens. Compare their real outputs side by side below.

Key Differences Between Mistral Nemo and GPT-5

Mistral Nemo is made by mistral while GPT-5 is from openai. Mistral Nemo has a 128K token context window compared to GPT-5's 400K. On pricing, Mistral Nemo costs $0.03/M input tokens vs $1.25/M for GPT-5. In community voting, In 5 community votes, GPT-5 wins 75% of head-to-head duels.

In 5 community votes, GPT-5 wins 75% of head-to-head duels. GPT-5 leads in Image Generation. Based on blind community voting from the Rival open dataset of 5+ human preference judgments for this pair.

Image Generation: GPT-5 wins 100% of votes
Web Design: Mistral Nemo and GPT-5 are tied
Our Verdict
GPT-5
GPT-5Winner
Mistral Nemo
Mistral NemoRunner-up

Pick GPT-5. In 5 blind votes, GPT-5 wins 75% of the time. That's not luck.

GPT-5 particularly excels in Image Generation. Mistral Nemo is 143x cheaper per token — worth considering if cost matters.

Clear winner
Writing DNA

Style Comparison

Similarity
99%

GPT-5 uses 16.2x more headings

Mistral Nemo
GPT-5
46%Vocabulary65%
19wSentence Length13w
1.08Hedging0.20
3.6Bold0.2
8.0Lists4.6
0.00Emoji0.00
0.00Headings0.16
0.17Transitions0.03
Based on 10 + 16 text responses
vs

Ask them anything yourself

Mistral NemoGPT-5

279 AI models invented the same fake scientist.

We read every word. 250 models. 2.14 million words. This is what we found.

AI Hallucination Index 2026
Free preview13 of 58 slides
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