Qwen3 30B A3B vs OpenAI o3

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

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

Qwen3 30B A3B and OpenAI o3 are both competitive models. Qwen3 30B A3B costs $0/M input tokens vs $10/M for OpenAI o3. Compare their real outputs side by side below.

Key Differences Between Qwen3 30B A3B and OpenAI o3

Qwen3 30B A3B is made by qwen while OpenAI o3 is from openai. On pricing, Qwen3 30B A3B costs $0/M input tokens vs $10/M for OpenAI o3.

Our Verdict
OpenAI o3
OpenAI o3
Qwen3 30B A3B
Qwen3 30B A3BRunner-up

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

Too close to call
Writing DNA

Style Comparison

Similarity
98%

Qwen3 30B A3B uses 36.1x more emoji

Qwen3 30B A3B
OpenAI o3
60%Vocabulary68%
11wSentence Length14w
0.24Hedging0.26
7.6Bold0.7
4.6Lists3.0
0.36Emoji0.00
0.00Headings0.38
0.06Transitions0.12
Based on 4 + 16 text responses
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Qwen3 30B A3BOpenAI o3

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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