Compare Claude 3 Haiku by Anthropic against Mistral Devstral Small 1.1 by Mistral AI, tested across 54 shared challenges. Updated April 2026.
Claude 3 Haiku and Mistral Devstral Small 1.1 are both competitive models. Claude 3 Haiku costs $0.25/M input tokens vs $0.1/M for Mistral Devstral Small 1.1. Compare their real outputs side by side below.
Claude 3 Haiku is made by anthropic while Mistral Devstral Small 1.1 is from mistral. On pricing, Claude 3 Haiku costs $0.25/M input tokens vs $0.1/M for Mistral Devstral Small 1.1.
No community votes yet. On paper, Claude 3 Haiku has the edge — bigger model tier, bigger context window, major provider backing.
Mistral Devstral Small 1.1 is 4.2x cheaper per token — worth considering if cost matters.
Mistral Devstral Small 1.1 uses 4.8x 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 Claude 3 Haiku by Anthropic against Mistral Devstral Small 1.1 by Mistral AI, tested across 54 shared challenges. Updated April 2026.
Claude 3 Haiku and Mistral Devstral Small 1.1 are both competitive models. Claude 3 Haiku costs $0.25/M input tokens vs $0.1/M for Mistral Devstral Small 1.1. Compare their real outputs side by side below.
Claude 3 Haiku is made by anthropic while Mistral Devstral Small 1.1 is from mistral. On pricing, Claude 3 Haiku costs $0.25/M input tokens vs $0.1/M for Mistral Devstral Small 1.1.
No community votes yet. On paper, Claude 3 Haiku has the edge — bigger model tier, bigger context window, major provider backing.
Mistral Devstral Small 1.1 is 4.2x cheaper per token — worth considering if cost matters.
Mistral Devstral Small 1.1 uses 4.8x 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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49 fights queued
37+ 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