Is Anthropic: Claude Opus 4.6 or Anthropic: Claude Sonnet 5 cheaper?
Anthropic: Claude Sonnet 5 is cheaper ($0.289 / 1M tokens input / $1.45 / 1M tokens output) vs Anthropic: Claude Opus 4.6 ($0.723 / 1M tokens input / $3.62 / 1M tokens output). Actual cost depends on your input/output token mix — estimate it with the pricing calculator.