Claude Haiku vs GPT-4o: cost & margin

Claude Haiku (Anthropic) and GPT-4o (OpenAI) sit at different price points. At a typical 500k/150k token mix per customer, Claude Haiku is cheaper ($1.00 vs $2.75 per customer), and Claude Haiku has the lower output-token price — the part that usually drives an AI SaaS bill.

Claude HaikuGPT-4o
Input $/Mtok$0.8$2.5
Output $/Mtok$4$10
Cost / customer (typical)$1.00$2.75
Margin at $49/mo98%94.4%

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 HaikuGPT-4o
Light$0.20$0.55
Typical$1.00$2.75
Heavy$4.00$11.00
Power user$16.40$45.00

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.

GPT-4o

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 GPT-4o?
At a typical 500k / 150k token mix, Claude Haiku is cheaper — $1.00 vs $2.75 per customer per month, a $1.75 gap that widens as usage grows.
Does GPT-4o ever make more sense than Claude Haiku?
Yes — token price isn't everything. If GPT-4o 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