Hermes: offload background jobs to MiMo-V2-Flash and cut your main bill

The Stack

Tested Against

Prerequisites

• Hermes Agent installed
• An OpenRouter API key (only to actually run the jobs)

Steps

1. 1

   Point the auxiliary jobs at MiMo-V2-Flash and validate

   Hermes runs several auxiliary jobs behind your conversation; by default they use your main model. Point compression (context summarization), vision (image analysis), and web_extract (page summarization) at the cheap xiaomi/mimo-v2-flash instead. CI parses the YAML and asserts all three blocks name the slug under openrouter.

   cat > config.yaml <<'YAML'
   auxiliary:
     compression:
       provider: openrouter
       model: xiaomi/mimo-v2-flash
     vision:
       provider: openrouter
       model: xiaomi/mimo-v2-flash
     web_extract:
       provider: openrouter
       model: xiaomi/mimo-v2-flash
   YAML
   ruby -ryaml -e '
   c = YAML.load_file("config.yaml")
   aux = c["auxiliary"] || {}
   %w[compression vision web_extract].each do |k|
     b = aux[k] || {}
     abort "BAD: auxiliary.#{k} provider not openrouter" unless b["provider"] == "openrouter"
     abort "BAD: auxiliary.#{k} model not xiaomi/mimo-v2-flash" unless b["model"] == "xiaomi/mimo-v2-flash"
   end
   puts "config OK: compression+vision+web_extract all route to openrouter/xiaomi/mimo-v2-flash"
   '

2. 2

   Let the background jobs run (the model step, not checked by CI)

   With a key set, Hermes will use MiMo-V2-Flash for compression, vision, and web-extract while your main model handles reasoning. Those calls run the model, so CI never claims them.