← Free AI Tools

Use-Case Cost Comparison

Which model is cheapest for your use case? Select a workload type and volume to compare costs across OpenAI, Anthropic, and Google.

Last updated: March 2026

Your use case

1,000 in / 500 out tokens per request

Cheapest models for this use case

Sorted by monthly cost. Quality may vary — test for your workload.

Cheapest

Gemini 2.0 Flash

google

$9.00/mo

$0.000300/request

GPT-4o mini

openai

$13.50/mo

$0.000450/request

Claude Haiku 3

anthropic

$26.25/mo

$0.000875/request

GPT-4.1 mini

openai

$36.00/mo

$0.0012/request

GPT-5 mini

openai

$37.50/mo

$0.0013/request

Gemini 2.5 Flash

google

$46.50/mo

$0.0015/request

o4-mini

openai

$99.00/mo

$0.0033/request

Claude Haiku 4.5

anthropic

$105.00/mo

$0.0035/request

GPT-4.1

openai

$180.00/mo

$0.0060/request

o3

openai

$180.00/mo

$0.0060/request

Gemini 2.5 Pro

google

$187.50/mo

$0.0063/request

GPT-4o

openai

$225.00/mo

$0.0075/request

Different features, different costs.

PerUnit shows cost per feature — so you can use the right model for each and see the impact.

Get early access to PerUnit