Mistral Devstral Medium vs Grok 4.20 Beta
Compare Mistral Devstral Medium by Mistral AI against Grok 4.20 Beta by xAI, tested across 53 shared challenges. Updated April 2026.
Which is better, Mistral Devstral Medium or Grok 4.20 Beta?
Mistral Devstral Medium and Grok 4.20 Beta are both competitive models. Mistral Devstral Medium costs $0.4/M input tokens vs $2/M for Grok 4.20 Beta. Compare their real outputs side by side below.
Key Differences Between Mistral Devstral Medium and Grok 4.20 Beta
Mistral Devstral Medium is made by mistral while Grok 4.20 Beta is from xai. On pricing, Mistral Devstral Medium costs $0.4/M input tokens vs $2/M for Grok 4.20 Beta.
No community votes yet. On paper, Grok 4.20 Beta has the edge — bigger model tier, newer, bigger context window, major provider backing.
Mistral Devstral Medium is 3.0x cheaper per token — worth considering if cost matters.
Style Comparison
Grok 4.20 Beta uses 3.2x more headings
vs
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.
