Compare Mistral Devstral Medium by Mistral AI against Gemma 3 12B by Google AI, tested across 55 shared challenges. Updated April 2026.
Mistral Devstral Medium and Gemma 3 12B are both competitive models. Mistral Devstral Medium costs $0.4/M input tokens vs $0.03/M for Gemma 3 12B. Compare their real outputs side by side below.
Mistral Devstral Medium is made by mistral while Gemma 3 12B is from google. On pricing, Mistral Devstral Medium costs $0.4/M input tokens vs $0.03/M for Gemma 3 12B.
No community votes yet. On paper, Gemma 3 12B has the edge — bigger model tier, major provider backing.
Gemma 3 12B is 67x cheaper per token — worth considering if cost matters.
Mistral Devstral Medium uses 3.3x more headings
Ask them anything yourself
Some models write identically. You are paying for the brand.
178 models fingerprinted across 32 writing dimensions. Free research.
185x
price gap between models that write identically
178
models
12
clone pairs
32
dimensions
279 AI models invented the same fake scientist.
We read every word. 250 models. 2.14 million words. This is what we found.

Compare Mistral Devstral Medium by Mistral AI against Gemma 3 12B by Google AI, tested across 55 shared challenges. Updated April 2026.
Mistral Devstral Medium and Gemma 3 12B are both competitive models. Mistral Devstral Medium costs $0.4/M input tokens vs $0.03/M for Gemma 3 12B. Compare their real outputs side by side below.
Mistral Devstral Medium is made by mistral while Gemma 3 12B is from google. On pricing, Mistral Devstral Medium costs $0.4/M input tokens vs $0.03/M for Gemma 3 12B.
No community votes yet. On paper, Gemma 3 12B has the edge — bigger model tier, major provider backing.
Gemma 3 12B is 67x cheaper per token — worth considering if cost matters.
Mistral Devstral Medium uses 3.3x more headings
Ask them anything yourself
Some models write identically. You are paying for the brand.
178 models fingerprinted across 32 writing dimensions. Free research.
185x
price gap between models that write identically
178
models
12
clone pairs
32
dimensions
279 AI models invented the same fake scientist.
We read every word. 250 models. 2.14 million words. This is what we found.

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50 fights queued
38+ more head-to-head results. Free. Not a trick.
Free account. No card required. By continuing, you agree to Rival's Terms and Privacy Policy