Compare Horizon Beta by OpenRouter against MiniMax M2-her by MiniMax, context windows of 256K vs 66K, tested across 41 shared challenges. Updated April 2026.
Horizon Beta and MiniMax M2-her are both competitive models. Horizon Beta costs $0/M input tokens vs $0.3/M for MiniMax M2-her. Context windows: 256K vs 66K tokens. Compare their real outputs side by side below.
Horizon Beta is made by openrouter while MiniMax M2-her is from minimax. Horizon Beta has a 256K token context window compared to MiniMax M2-her's 66K. On pricing, Horizon Beta costs $0/M input tokens vs $0.3/M for MiniMax M2-her.
No community votes yet. On paper, these are closely matched - try both with your actual task to see which fits your workflow.
MiniMax M2-her uses 198.6x 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 MiniMax M2-her by MiniMax, context windows of 256K vs 66K, tested across 41 shared challenges. Updated April 2026.
Horizon Beta and MiniMax M2-her are both competitive models. Horizon Beta costs $0/M input tokens vs $0.3/M for MiniMax M2-her. Context windows: 256K vs 66K tokens. Compare their real outputs side by side below.
Horizon Beta is made by openrouter while MiniMax M2-her is from minimax. Horizon Beta has a 256K token context window compared to MiniMax M2-her's 66K. On pricing, Horizon Beta costs $0/M input tokens vs $0.3/M for MiniMax M2-her.
No community votes yet. On paper, these are closely matched - try both with your actual task to see which fits your workflow.
MiniMax M2-her uses 198.6x 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.

41 fights queued
29+ 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
41 fights queued
29+ 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