Compare Qwen: Qwen3.5 27B and Qwen: Qwen3.5 397B A17B, both from Qwen, context windows of 262K vs 262K, tested across 53 shared challenges. Updated April 2026.
Qwen: Qwen3.5 27B and Qwen: Qwen3.5 397B A17B are both competitive models. Qwen: Qwen3.5 27B costs $0.3/M input tokens vs $0.6/M for Qwen: Qwen3.5 397B A17B. Context windows: 262K vs 262K tokens. Compare their real outputs side by side below.
Qwen: Qwen3.5 27B is made by qwen while Qwen: Qwen3.5 397B A17B is from qwen. Qwen: Qwen3.5 27B has a 262K token context window compared to Qwen: Qwen3.5 397B A17B's 262K. On pricing, Qwen: Qwen3.5 27B costs $0.3/M input tokens vs $0.6/M for Qwen: Qwen3.5 397B A17B.
No community votes yet. On paper, Qwen: Qwen3.5 397B A17B has the edge — bigger model tier.
Qwen: Qwen3.5 397B A17B uses 22.8x 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 Qwen: Qwen3.5 27B and Qwen: Qwen3.5 397B A17B, both from Qwen, context windows of 262K vs 262K, tested across 53 shared challenges. Updated April 2026.
Qwen: Qwen3.5 27B and Qwen: Qwen3.5 397B A17B are both competitive models. Qwen: Qwen3.5 27B costs $0.3/M input tokens vs $0.6/M for Qwen: Qwen3.5 397B A17B. Context windows: 262K vs 262K tokens. Compare their real outputs side by side below.
Qwen: Qwen3.5 27B is made by qwen while Qwen: Qwen3.5 397B A17B is from qwen. Qwen: Qwen3.5 27B has a 262K token context window compared to Qwen: Qwen3.5 397B A17B's 262K. On pricing, Qwen: Qwen3.5 27B costs $0.3/M input tokens vs $0.6/M for Qwen: Qwen3.5 397B A17B.
No community votes yet. On paper, Qwen: Qwen3.5 397B A17B has the edge — bigger model tier.
Qwen: Qwen3.5 397B A17B uses 22.8x 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.

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48 fights queued
36+ more head-to-head results. Free. Not a trick.
Free account. No card required. By continuing, you agree to Rival's Terms and Privacy Policy