o3 vs Claude Opus 4

OpenAI · Anthropic — Interactive pricing comparison

Input tokens per request4K

Output tokens per request2K

Requests per day100

OpenAI

Input$2/1M

Output$8/1M

Cache read$0.5/1M

Cost per request$0.024

Monthly estimate$72.00

Max input200K

Max output100K

Anthropic

Input$15/1M

Output$75/1M

Cache read$1.5/1M

Cost per request$0.210

Monthly estimate$630

Max input200K

Max output32K

o3 is 89% cheaper at this usage

Both models have the same context window

Capabilities