Claude Haiku 4.5 vs Claude Sonnet 4.5

Claude Haiku 4.5 is cheaper than Claude Sonnet 4.5 by about 67% on a blended (75% input / 25% output) basis. Claude Haiku 4.5 charges $1.00 / $5.00 per 1M input/output tokens; Claude Sonnet 4.5 charges $3.00 / $15.00.

FieldClaude Haiku 4.5Claude Sonnet 4.5
Input $/Mtok$1.00$3.00
Output $/Mtok$5.00$15.00
Cache read $/Mtok$0.10$0.30
Cache write $/Mtok$1.25$3.75
Input $/Mcharn/an/a
Output $/Mcharn/an/a
Context window200000200000
Tokenizerclaudeclaude
Confidence?officialofficial
Sourceofficial-anthropicofficial-anthropic

Confidence: official = vendor pricing page · api = OpenRouter per-host · aggregator = community list, may lag · unreviewed = automatic extraction awaiting review. When sources disagree the most authoritative wins. Details: /methodology#confidence

Price history

Same workload, monthly cost

Illustrative monthly cost at 10M tokens/month, split per workload preset. Not a substitute for the calculator, which uses your own volume, cache and batch assumptions.

WorkloadClaude Haiku 4.5Claude Sonnet 4.5
Coding agent$12.00$36.00
RAG chat$16.00$48.00
Summarisation (batch)$14.00$42.00
Classification$10.80$32.40
Chat assistant$26.00$78.00
Content generation$42.00$126.00

Cite this page

Claude Haiku 4.5 vs Claude Sonnet 4.5: $1.00/$5.00 vs $3.00/$15.00 per 1M tokens as of 2026-10-04. Token Barometer by Dejan Strbad, https://tokenbarometer.com, data CC BY 4.0. https://tokenbarometer.com/compare/anthropic_claude-haiku-4-5-vs-anthropic_claude-sonnet-4-5

Claude Haiku 4.5 page | Claude Sonnet 4.5 page | Open in calculator