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OpenAI vs Anthropic pricing

A fast view of which side looks cheaper on input-heavy workloads and which side demands more margin for output-heavy features.

OpenAI snapshot

OpenAI

  • GPT-5.4 - $2.50 in / $15.00 out
  • GPT-5.4 Pro - $30.00 in / $180.00 out
Anthropic snapshot

Anthropic

  • Opus 4.6 - $5.00 in / $25.00 out
  • Sonnet 4.6 - $3.00 in / $15.00 out
  • Haiku 4.5 - $1.00 in / $5.00 out