Compare Mistral Devstral Medium by Mistral AI against Grok Code Fast 1 by xAI, tested across 55 shared challenges. Updated April 2026.
Mistral Devstral Medium and Grok Code Fast 1 are both competitive models. Mistral Devstral Medium costs $0.4/M input tokens vs $0.2/M for Grok Code Fast 1. Compare their real outputs side by side below.
Mistral Devstral Medium is made by mistral while Grok Code Fast 1 is from xai. On pricing, Mistral Devstral Medium costs $0.4/M input tokens vs $0.2/M for Grok Code Fast 1.
No community votes yet. On paper, Grok Code Fast 1 has the edge — newer, bigger context window, major provider backing.
Grok Code Fast 1 uses 6.0x more emoji
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 Grok Code Fast 1 by xAI, tested across 55 shared challenges. Updated April 2026.
Mistral Devstral Medium and Grok Code Fast 1 are both competitive models. Mistral Devstral Medium costs $0.4/M input tokens vs $0.2/M for Grok Code Fast 1. Compare their real outputs side by side below.
Mistral Devstral Medium is made by mistral while Grok Code Fast 1 is from xai. On pricing, Mistral Devstral Medium costs $0.4/M input tokens vs $0.2/M for Grok Code Fast 1.
No community votes yet. On paper, Grok Code Fast 1 has the edge — newer, bigger context window, major provider backing.
Grok Code Fast 1 uses 6.0x more emoji
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.
