Claude Sonnet 4.5 vs GPT-5.2

Anthropic · OpenAI — Interactive pricing comparison

Input tokens per request4K

Output tokens per request2K

Requests per day100

Anthropic

Input$3/1M

Output$15/1M

Cache read$0.3/1M

Cost per request$0.042

Monthly estimate$126

Max input200K

Max output64K

OpenAI

Input$1.75/1M

Output$14/1M

Cache read$0.18/1M

Cost per request$0.035

Monthly estimate$105

Max input272K

Max output128K

GPT-5.2 is 17% cheaper at this usage

GPT-5.2 has a larger context window

Capabilities