Grok 4 vs Claude Opus 4.8

xAI · Anthropic — Interactive pricing comparison

Input tokens per request4K

Output tokens per request2K

Requests per day100

xAI

Input$3/1M

Output$15/1M

Cost per request$0.042

Monthly estimate$126

Max input256K

Max output256K

Anthropic

Input$5/1M

Output$25/1M

Cache read$0.5/1M

Cost per request$0.070

Monthly estimate$210

Max input1.0M

Max output128K

Grok 4 is 40% cheaper at this usage

Claude Opus 4.8 has a larger context window

Capabilities