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The Domesday Book ofKWJ · AI
Analytics

Sentiment Analysis at Scale

Extracting sentiment, emotion, and opinion signals from text at production volume.

Recommended agents

Anthropic
Claude Haiku 4.5
The fast one. Used for sub-agents, high-volume classification, and the parts of an agent loop where capability matters less than throughput.
OpenAI
GPT-4o
The omni model. Text, image, audio natively in one system. Speed doubled vs. GPT-4.

Budget pick

Claude Haiku 4.5
$1-$5 per million tokens

Key considerations

  • ›Fine-tuning vs prompting trade-off
  • ›Cost per call
  • ›Nuance vs speed
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