claude-opus-4-8 vs grok-build-0.1
Pricing, Performance & Features Comparison
Anthropic’s most capable Opus-tier model, tuned for long-horizon agentic work, knowledge work, and memory.
Input$5
Output$25
Latency (p50)5.1s
Output Limit128K
Function Calling
JSON Mode
InputText, Image
OutputText
in$5out$25cache$0.5write$6.3
Latency (24h)
Success Rate (24h)
xAI’s agentic coding model and the successor to grok-code-fast-1; also suited to inexpensive general tool-calling.
Input$1
Output$2
Latency (p50)5.7s
Output Limit–
Function Calling
JSON Mode
-
InputText, Image
OutputText
in$1out$2cache$0.2–