GPT-5.3-Codex vs Qwen: Qwen3.5 397B A17B
Compare GPT-5.3-Codex by OpenAI against Qwen: Qwen3.5 397B A17B by Qwen, in 2 community votes, gpt-5.3-codex and qwen: qwen3.5 397b a17b are closely matched, context windows of 400K vs 262K, tested across 53 shared challenges. Updated April 2026.
Which is better, GPT-5.3-Codex or Qwen: Qwen3.5 397B A17B?
GPT-5.3-Codex and Qwen: Qwen3.5 397B A17B are closely matched based on 2 community votes. GPT-5.3-Codex costs $1.75/M input tokens vs $0.6/M for Qwen: Qwen3.5 397B A17B. Context windows: 400K vs 262K tokens. Compare their real outputs side by side below.
Key Differences Between GPT-5.3-Codex and Qwen: Qwen3.5 397B A17B
GPT-5.3-Codex is made by openai while Qwen: Qwen3.5 397B A17B is from qwen. GPT-5.3-Codex has a 400K token context window compared to Qwen: Qwen3.5 397B A17B's 262K. On pricing, GPT-5.3-Codex costs $1.75/M input tokens vs $0.6/M for Qwen: Qwen3.5 397B A17B. In community voting, In 2 community votes, GPT-5.3-Codex and Qwen: Qwen3.5 397B A17B are closely matched.
In 2 community votes, GPT-5.3-Codex and Qwen: Qwen3.5 397B A17B are closely matched. GPT-5.3-Codex and Qwen: Qwen3.5 397B A17B perform similarly across challenge categories. Based on blind community voting from the Rival open dataset of 2+ human preference judgments for this pair.
Genuinely even. Both are strong choices.
Qwen: Qwen3.5 397B A17B is 3.9x cheaper per token — worth considering if cost matters.
Style Comparison
Qwen: Qwen3.5 397B A17B uses 6.2x 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.
