Modern QA2026When to Use the Swarm Pattern — tiles
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5.6When to Use the Swarm Pattern

Best for:

  • Maximum coverage breadth (each agent explores independently)
  • Large codebases that can be cleanly partitioned by module
  • Situations where speed matters (all agents run in parallel)
  • When you can tolerate some duplication in exchange for thoroughness

Risks:

  • Duplicate and conflicting tests (two agents testing the same function differently)
  • Inconsistent style (each agent may generate different naming conventions)
  • The reconciler must be smart about semantic deduplication -- two tests with different names but identical behavior

Mitigation:

  • Invest heavily in the reconciler
  • Provide all agents with the same style guide context
  • Partition by code module (not by function) to minimize overlap