Compare Horizon Beta by OpenRouter against Qwen: Qwen3.5 Plus 2026-02-15 by Qwen, context windows of 256K vs 1.0M, tested across 40 shared challenges. Updated April 2026.
Horizon Beta and Qwen: Qwen3.5 Plus 2026-02-15 are both competitive models. Horizon Beta costs $0/M input tokens vs $0.4/M for Qwen: Qwen3.5 Plus 2026-02-15. Context windows: 256K vs 1000K tokens. Compare their real outputs side by side below.
Horizon Beta is made by openrouter while Qwen: Qwen3.5 Plus 2026-02-15 is from qwen. Horizon Beta has a 256K token context window compared to Qwen: Qwen3.5 Plus 2026-02-15's 1000K. On pricing, Horizon Beta costs $0/M input tokens vs $0.4/M for Qwen: Qwen3.5 Plus 2026-02-15.
No community votes yet. On paper, Qwen: Qwen3.5 Plus 2026-02-15 has the edge — bigger model tier, newer, bigger context window.
Qwen: Qwen3.5 Plus 2026-02-15 uses 533.6x more bold
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 Horizon Beta by OpenRouter against Qwen: Qwen3.5 Plus 2026-02-15 by Qwen, context windows of 256K vs 1.0M, tested across 40 shared challenges. Updated April 2026.
Horizon Beta and Qwen: Qwen3.5 Plus 2026-02-15 are both competitive models. Horizon Beta costs $0/M input tokens vs $0.4/M for Qwen: Qwen3.5 Plus 2026-02-15. Context windows: 256K vs 1000K tokens. Compare their real outputs side by side below.
Horizon Beta is made by openrouter while Qwen: Qwen3.5 Plus 2026-02-15 is from qwen. Horizon Beta has a 256K token context window compared to Qwen: Qwen3.5 Plus 2026-02-15's 1000K. On pricing, Horizon Beta costs $0/M input tokens vs $0.4/M for Qwen: Qwen3.5 Plus 2026-02-15.
No community votes yet. On paper, Qwen: Qwen3.5 Plus 2026-02-15 has the edge — bigger model tier, newer, bigger context window.
Qwen: Qwen3.5 Plus 2026-02-15 uses 533.6x more bold
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.
