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xAI
Grok 4
xAI's flagship with built-in web search and real-time information access.
Input price
$3/1M
Output price
$15/1M
Context window
128K
Max output
16.384K
Capabilities
textvisiontool-usecodereasoningweb-search
Benchmarks
MMLU-Pro86%
HumanEval93%
GPQA72%
Strengths
- ✓Built-in web search and real-time data
- ✓Strong reasoning
- ✓$25 free credits for new users
Weaknesses
- ✗Premium pricing for its benchmark tier
- ✗Additional charges for tool invocations ($2.50-$5/1K calls)
- ✗Smaller ecosystem than OpenAI/Anthropic