Qwen3 30B A3B Thinking 2507 vs OpenAI o3

Compare Qwen3 30B A3B Thinking 2507 by Qwen against OpenAI o3 by OpenAI, tested across 54 shared challenges. Updated April 2026.

Which is better, Qwen3 30B A3B Thinking 2507 or OpenAI o3?

Qwen3 30B A3B Thinking 2507 and OpenAI o3 are both competitive models. Qwen3 30B A3B Thinking 2507 costs $0.071/M input tokens vs $10/M for OpenAI o3. Compare their real outputs side by side below.

Key Differences Between Qwen3 30B A3B Thinking 2507 and OpenAI o3

Qwen3 30B A3B Thinking 2507 is made by qwen while OpenAI o3 is from openai. On pricing, Qwen3 30B A3B Thinking 2507 costs $0.071/M input tokens vs $10/M for OpenAI o3.

Our Verdict
OpenAI o3
OpenAI o3
Qwen3 30B A3B Thinking 2507
Qwen3 30B A3B Thinking 2507Runner-up

No community votes yet. On paper, OpenAI o3 has the edge — bigger model tier, major provider backing.

Qwen3 30B A3B Thinking 2507 is 140x cheaper per token — worth considering if cost matters.

Too close to call
Writing DNA

Style Comparison

Similarity
99%

Qwen3 30B A3B Thinking 2507 uses 67.9x more emoji

Qwen3 30B A3B Thinking 2507
OpenAI o3
54%Vocabulary68%
14wSentence Length14w
0.12Hedging0.26
7.5Bold0.7
4.2Lists3.0
0.68Emoji0.00
0.93Headings0.38
0.12Transitions0.12
Based on 16 + 16 text responses
vs

Ask them anything yourself

Qwen3 30B A3B Thinking 2507OpenAI o3

Some models write identically. You are paying for the brand.

178 models fingerprinted across 32 writing dimensions. Free research.

Model Similarity Index

185x

price gap between models that write identically

178

models

12

clone pairs

32

dimensions

Devstral M / S
95.7%
Qwen3 Coder / Flash
95.6%
GPT-5.4 / Mini
93.3%

279 AI models invented the same fake scientist.

We read every word. 250 models. 2.14 million words. This is what we found.

AI Hallucination Index 2026
Free preview13 of 58 slides
FAQ

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