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DeepSeek-V3 vs Grok-4 Heavy
Comprehensive side-by-side LLM comparison
DeepSeek-V3 leads with 36.1% higher average benchmark score. Grok-4 Heavy supports multimodal inputs. Overall, DeepSeek-V3 is the stronger choice for coding tasks.
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DeepSeek
DeepSeek-V3 is a language model developed by DeepSeek. It achieves strong performance with an average score of 67.2% across 20 benchmarks. It excels particularly in DROP (91.6%), CLUEWSC (90.9%), MATH-500 (90.2%). It supports a 262K token context window for handling large documents. The model is available through 1 API provider. Released in 2024, it represents DeepSeek's latest advancement in AI technology.
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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.
6 months newer
DeepSeek-V3
DeepSeek
2024-12-25
Grok-4 Heavy
xAI
2025-07-09
Performance Metrics
Context window and performance specifications
Average performance across 24 common benchmarks
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DeepSeek-V3
Average Score:56.0%(+36.1%)
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Grok-4 Heavy
Average Score:19.9%
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Knowledge Cutoff
Training data recency comparison
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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DeepSeek-V3
1 providers
DeepSeek
Throughput: 100 tok/s
Latency: 0.5ms
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Grok-4 Heavy
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DeepSeek-V3
Avg Score:56.0%(+36.1%)
Providers:1
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Grok-4 Heavy
Avg Score:19.9%
Providers:0