Compare Mistral Devstral Small 1.1 by Mistral AI against Gemini 2.5 Pro (I/O Edition) by Google AI, tested across 35 shared challenges. Updated April 2026.
Mistral Devstral Small 1.1 and Gemini 2.5 Pro (I/O Edition) are both competitive models. Mistral Devstral Small 1.1 costs $0.1/M input tokens vs $1.25/M for Gemini 2.5 Pro (I/O Edition). Compare their real outputs side by side below.
Mistral Devstral Small 1.1 is made by mistral while Gemini 2.5 Pro (I/O Edition) is from google. On pricing, Mistral Devstral Small 1.1 costs $0.1/M input tokens vs $1.25/M for Gemini 2.5 Pro (I/O Edition).
35 fights queued
Tests an AI's ability to make educated estimates based on technical knowledge
Tests an AI's ability to solve a simple but potentially confusing logic puzzle
Tests an AI's understanding of number representation
Tests an AI's randomness and creativity
Tests an AI's ability to generate vector graphics
Tests an AI's ability to create detailed SVG illustrations of gaming hardware
Tests an AI's humor and creative writing ability
Tests an AI's ability to simulate personalities and predict future trends
Tests an AI's humor and understanding of current events
Tests an AI's ability to generate a complete, working landing page
Recreate an interactive, nostalgic Pokémon battle UI in a single HTML file.
Recreate an interactive, classic Mario level in a single HTML file.
23+ 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
No community votes yet. On paper, Gemini 2.5 Pro (I/O Edition) has the edge — bigger model tier, major provider backing.
Mistral Devstral Small 1.1 is 33x cheaper per token — worth considering if cost matters.
Mistral Devstral Small 1.1 uses 28.8x 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.
