Compare Mistral Devstral Small 1.1 by Mistral AI against Grok 4.20 Multi-Agent Beta by xAI, tested across 53 shared challenges. Updated April 2026.
Mistral Devstral Small 1.1 and Grok 4.20 Multi-Agent Beta are both competitive models. Mistral Devstral Small 1.1 costs $0.1/M input tokens vs $2/M for Grok 4.20 Multi-Agent Beta. Compare their real outputs side by side below.
Mistral Devstral Small 1.1 is made by mistral while Grok 4.20 Multi-Agent Beta is from xai. On pricing, Mistral Devstral Small 1.1 costs $0.1/M input tokens vs $2/M for Grok 4.20 Multi-Agent Beta.
No community votes yet. On paper, Grok 4.20 Multi-Agent Beta has the edge — bigger model tier, newer, bigger context window, major provider backing.
Mistral Devstral Small 1.1 is 20x cheaper per token — worth considering if cost matters.
Mistral Devstral Small 1.1 uses 13.9x more transitions
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 Small 1.1 by Mistral AI against Grok 4.20 Multi-Agent Beta by xAI, tested across 53 shared challenges. Updated April 2026.
Mistral Devstral Small 1.1 and Grok 4.20 Multi-Agent Beta are both competitive models. Mistral Devstral Small 1.1 costs $0.1/M input tokens vs $2/M for Grok 4.20 Multi-Agent Beta. Compare their real outputs side by side below.
Mistral Devstral Small 1.1 is made by mistral while Grok 4.20 Multi-Agent Beta is from xai. On pricing, Mistral Devstral Small 1.1 costs $0.1/M input tokens vs $2/M for Grok 4.20 Multi-Agent Beta.
No community votes yet. On paper, Grok 4.20 Multi-Agent Beta has the edge — bigger model tier, newer, bigger context window, major provider backing.
Mistral Devstral Small 1.1 is 20x cheaper per token — worth considering if cost matters.
Mistral Devstral Small 1.1 uses 13.9x more transitions
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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48 fights queued
36+ 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