GPT-4o vs Claude Sonnet 4

OpenAI · Anthropic — Interactive pricing comparison

Input tokens per request4K

Output tokens per request2K

Requests per day100

OpenAI

Input$2.5/1M

Output$10/1M

Cache read$1.25/1M

Cost per request$0.030

Monthly estimate$90.00

Max input128K

Max output16K

Anthropic

Input$3/1M

Output$15/1M

Cache read$0.3/1M

Cost per request$0.042

Monthly estimate$126

Max input1.0M

Max output64K

GPT-4o is 29% cheaper at this usage

Claude Sonnet 4 has a larger context window

Capabilities