GPT-4ovsGrok 2
OpenAI
🏆 Overall WinnerGPT-4o
OpenAI's flagship multimodal model
Arena ELO
1314
Context
128K
Speed
110 t/s
Input/1M
$2.5
xAI
Grok 2
xAI's real-time knowledge model
Arena ELO
1235
Context
131K
Speed
92 t/s
Input/1M
$2
Capability Radar
Category performance across 6 domains
Benchmark Scores
MMLU · HumanEval · MATH · GSM8K · GPQA · BBH
GPT-4o
Pros
✓Best-in-class multimodal capabilities
✓Fastest major frontier model
✓Extensive third-party integrations
Cons
✗Higher cost than alternatives
✗Context window smaller than Gemini 1.5 Pro
Grok 2
Pros
✓Real-time X/Twitter data access
✓Integrated image generation (FLUX)
✓Strong GPQA scores
Cons
✗Smaller ecosystem
✗Tied to X/Twitter platform
🏆 Our Verdict
Based on overall benchmark averages, GPT-4o has the edge with an average score of 81.6% across all benchmarks. However, the best choice depends on your use case — GPT-4o excels in best-in-class multimodal capabilities, while Grok 2 stands out for real-time x/twitter data access.