the instrument for llm cost
$55 to $105,000 a month — for the same workload.
That's the spread across 96 flagship models on one typical assistant workload: 1,500 tokens in, 500 out, 200K requests a month — and the full catalog runs to 300+. List prices won't tell you which end you land on. We measure it.
Snapshot · 300+ models · OpenAI · Anthropic · Google · xAI · DeepSeek · Mistral
cheapest · typical workload
GPT-5 Nano
$55.00 / mo
priciest · same workload
o1-pro — $105,000/mo
the same workload, across models $ / month
Gemini 2.5 Flash-Lite Google $70.00
GPT-5.4 nano OpenAI $185
Claude Haiku 4.5 Anthropic $800
GPT-5.4 OpenAI $2,250
Claude Opus 4.8 Anthropic $4,000
Claude Fable 5 Anthropic $8,000
Same 1,500-in / 500-out × 200,000 requests. Cool = cheaper, hot = pricier. Change the workload →