Parallelization
Independent subtasks run simultaneously.
API Calls per Conversation
Low
2
Mid
4
High
6
Best Use Cases
Multi-source researchA/B content generationParallel data processingEnsemble voting systems
Cost Drivers
- •Number of parallel branches (2-6 typical)
- •Each branch runs independently — costs are additive, not shared
- •Synthesis step to merge results adds overhead
Monthly Cost Scenarios
100/day
Sonnet 4.5 (3 branches)
$270-540/mo
500/day
Sonnet 4.5 (4 branches)
$1,800-3,600/mo
1,000/day
Haiku 4.5 (4 branches)
$1,200-2,400/mo
Optimization Tips
- →Only parallelize when tasks are genuinely independent
- →Use cheaper models for branches where quality variation is acceptable
- →Consider whether you need all branches or can early-exit when one succeeds
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