Compare Claude Opus 4.5 by Anthropic against Qwen: Qwen3 30B A3B Instruct 2507 by Qwen, tested across 54 shared challenges. Updated April 2026.
Claude Opus 4.5 and Qwen: Qwen3 30B A3B Instruct 2507 are both competitive models. Compare their real outputs side by side below.
Claude Opus 4.5 is made by anthropic while Qwen: Qwen3 30B A3B Instruct 2507 is from qwen.
No community votes yet. On paper, Claude Opus 4.5 has the edge — bigger model tier, newer, major provider backing.
Qwen: Qwen3 30B A3B Instruct 2507 uses 6.8x 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 Claude Opus 4.5 by Anthropic against Qwen: Qwen3 30B A3B Instruct 2507 by Qwen, tested across 54 shared challenges. Updated April 2026.
Claude Opus 4.5 and Qwen: Qwen3 30B A3B Instruct 2507 are both competitive models. Compare their real outputs side by side below.
Claude Opus 4.5 is made by anthropic while Qwen: Qwen3 30B A3B Instruct 2507 is from qwen.
No community votes yet. On paper, Claude Opus 4.5 has the edge — bigger model tier, newer, major provider backing.
Qwen: Qwen3 30B A3B Instruct 2507 uses 6.8x 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.
