Claude Haiku vs Claude Sonnet: cost & margin

Claude Haiku (Anthropic) and Claude Sonnet (Anthropic) sit at different price points. At a typical 500k/150k token mix per customer, Claude Haiku is cheaper ($1.00 vs $3.75 per customer), and Claude Haiku has the lower output-token price — the part that usually drives an AI SaaS bill.

Claude HaikuClaude Sonnet
Input $/Mtok$0.8$3
Output $/Mtok$4$15
Cost / customer (typical)$1.00$3.75
Margin at $49/mo98%92.3%

Cost per customer as usage grows

Monthly LLM cost per customer at four usage levels — the gap widens the more your customers use.

Usage / moClaude HaikuClaude Sonnet
Light$0.20$0.75
Typical$1.00$3.75
Heavy$4.00$15.00
Power user$16.40$61.50

Which should you pick?

Claude Haiku

Best when cost is the priority: cheaper on both input and output, so it keeps more customers profitable at any plan price.

Claude Sonnet

Worth it when its quality justifies the higher token cost — price your plans to cover the difference.

Verdict: at a typical token mix, Claude Haiku is the cheaper choice per customer. Heavier or output-heavy workloads can change the picture — check yours below.

FAQ

Which is cheaper, Claude Haiku or Claude Sonnet?
At a typical 500k / 150k token mix, Claude Haiku is cheaper — $1.00 vs $3.75 per customer per month, a $2.75 gap that widens as usage grows.
Does Claude Sonnet ever make more sense than Claude Haiku?
Yes — token price isn't everything. If Claude Sonnet needs fewer retries or shorter outputs to finish the job, or its quality lifts conversion, it can be the better margin call despite the higher per-token price. Model it on your own usage.

Per-model details

Other comparisons