Mistral Nemo vs Gemma 2: The Battle of the 12B Models

TL;DR

Mistral Nemo is the versatile workhorse with a larger context window, perfect for RAG. Gemma 2 punches above its weight in creative writing but lacks the long-context capability.


Specifications Comparison

FeatureMistral Nemo (12B)Gemma 2 (9B)
Parameters12 Billion9 Billion
Context Window128k tokens8k tokens
TokenizerTekken (High efficiency)Standard SentencePiece
ProviderMistral (France)Google (USA)

Mistral Nemo (12B)

Pros

  • ✅ Massive context window
  • ✅ Excellent token efficiency
  • ✅ Smarter reasoning

Cons

  • ❌ Slightly heavier to run
  • ❌ Requires flash-attn for speed
  • ❌ Newer ecosystem

Gemma 2 (9B)

Pros

  • ✅ Runs on consumer GPUs easily
  • ✅ Backed by Google ecosystem
  • ✅ Great creative writing

Cons

  • ❌ Tiny context window
  • ❌ Aggressive safety filters
  • ❌ Lower reasoning score

Verdict

Mistral Nemo is the versatile workhorse with a larger context window, perfect for RAG. Gemma 2 punches above its weight in creative writing but lacks the long-context capability.


Last updated: February 2026