claude-sonnet-4 pricing

claude-sonnet-4 is priced at $3.00 per 1M input tokens and $15.00 per 1M output tokens, with roughly 160 ms to first token and about 100 tokens/sec output throughput.

Price per 1M tokens

Input $3.00 · Output $15.00 · Output/input ratio 5.0x.

  • 1M input + 1M output tokens: $18.00
  • 10M input + 2M output tokens/month: $60.00
  • 100M input + 20M output tokens/month: $600.00

Cheaper alternatives to claude-sonnet-4

Same workload, lower output price. Validate quality before switching.

  • grok-4 — $14.00/1M output (7% cheaper)
  • gemini-3.5-pro — $12.00/1M output (20% cheaper)
  • gpt-5 — $12.00/1M output (20% cheaper)
  • azure-gpt-5 — $12.00/1M output (20% cheaper)

How much are you wasting on claude-sonnet-4?

Price lists are the easy part. Run the free waste scanner on your usage export to see which calls should have run on a cheaper tier, which prompts are oversized, and which retries you paid for twice — with dollars recoverable per finding.