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Grok-4 Heavy vs Phi 4 Mini
Comprehensive side-by-side LLM comparison
Phi 4 Mini leads with 28.8% higher average benchmark score. Grok-4 Heavy supports multimodal inputs. Overall, Phi 4 Mini is the stronger choice for coding tasks.
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xAI
Grok-4 Heavy is a multimodal language model developed by xAI. It achieves strong performance with an average score of 79.5% across 6 benchmarks. It excels particularly in AIME 2025 (100.0%), HMMT25 (96.7%), GPQA (88.4%). As a multimodal model, it can process and understand text, images, and other input formats seamlessly. Released in 2025, it represents xAI's latest advancement in AI technology.
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Microsoft
Phi 4 Mini is a language model developed by Microsoft. It achieves strong performance with an average score of 65.4% across 17 benchmarks. It excels particularly in GSM8k (88.6%), ARC-C (83.7%), BoolQ (81.2%). It's licensed for commercial use, making it suitable for enterprise applications. Released in 2025, it represents Microsoft's latest advancement in AI technology.
5 months newer
Phi 4 Mini
Microsoft
2025-02-01
Grok-4 Heavy
xAI
2025-07-09
Average performance across 22 common benchmarks
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Grok-4 Heavy
Average Score:21.7%
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Phi 4 Mini
Average Score:50.5%(+28.8%)
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Knowledge Cutoff
Training data recency comparison
Phi 4 Mini
2024-06-01
Grok-4 Heavy
2024-12-31
More recent knowledge cutoff means awareness of newer technologies and frameworks
Provider Availability & Performance
Available providers and their performance metrics
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Grok-4 Heavy
0 providers
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Phi 4 Mini
0 providers
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Grok-4 Heavy
Avg Score:21.7%
Providers:0
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Phi 4 Mini
Avg Score:50.5%(+28.8%)
Providers:0