LLM AI opponents
Face real large-language-model generals across fast, normal and hard tiers — or a free classic AI.
Bannerfall opponents can be genuine LLM generals that reason over the board in natural language, offered at fast, normal and hard difficulty tiers, alongside a free deterministic classic AI. Save a roster of named NPC personalities and bring your own key to run any provider you like.
Pick your opponent
Every seat you don't fill with a friend can be an AI general. Choose the free deterministic classic AI, or a real large-language-model opponent that reasons over the board in natural language.
Classic AI
FreeA fast, deterministic heuristic general — always available, no key required.
LLM · Fast
TierA lightweight language-model general for quick, responsive games.
LLM · Normal
TierA balanced language-model general — the standard thinking opponent.
LLM · Hard
TierA heavier model that plans harder and punishes mistakes.
Save a roster of rivals
Build named NPC generals with their own model and personality, then assign a different opponent to each seat — and bring your own provider key to run any model you like.
Want to run your own model or foot your own bill? Bring your own key →
Keep exploring
Async play-by-mail
Take your turn, get pinged when it's yours again — a lunch-break skirmish or a week-long war.
The combat system
Stacks, strength, leadership, favored terrain and siege — combat you can actually reason about.
Eight rival factions
Eight banners, each with its own roster, colours, home ground and temperament.
The full compendium
Every unit, ally, artifact, spell and location with complete stats.