GPT-5.4 Pro vs Qwen3.5 9B
Compare GPT-5.4 Pro by OpenAI against Qwen3.5 9B by Qwen, context windows of 1.1M vs 262K, tested across 17 shared challenges. Updated April 2026.
Which is better, GPT-5.4 Pro or Qwen3.5 9B?
GPT-5.4 Pro and Qwen3.5 9B are both competitive models. GPT-5.4 Pro costs $30/M input tokens vs $0.1/M for Qwen3.5 9B. Context windows: 1050K vs 262K tokens. Compare their real outputs side by side below.
Key Differences Between GPT-5.4 Pro and Qwen3.5 9B
GPT-5.4 Pro is made by openai while Qwen3.5 9B is from qwen. GPT-5.4 Pro has a 1050K token context window compared to Qwen3.5 9B's 262K. On pricing, GPT-5.4 Pro costs $30/M input tokens vs $0.1/M for Qwen3.5 9B.
No community votes yet. On paper, GPT-5.4 Pro has the edge — bigger model tier, bigger context window, major provider backing.
Qwen3.5 9B is 1200x cheaper per token — worth considering if cost matters.
Style Comparison
Qwen3.5 9B uses 11.5x more transitions
vsAsk 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.
