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Grok-4 Heavy vs Nova Micro
Comprehensive side-by-side LLM comparison
Nova Micro leads with 30.1% higher average benchmark score. Grok-4 Heavy supports multimodal inputs. Overall, Nova Micro 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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Amazon
Nova Micro is a language model developed by Amazon. It achieves strong performance with an average score of 67.0% across 17 benchmarks. It excels particularly in GSM8k (92.3%), ARC-C (90.2%), Translation Set1→en COMET22 (88.7%). It supports a 256K token context window for handling large documents. The model is available through 1 API provider. Released in 2024, it represents Amazon's latest advancement in AI technology.
7 months newer
Nova Micro
Amazon
2024-11-20
Grok-4 Heavy
xAI
2025-07-09
Performance Metrics
Context window and performance specifications
Average performance across 22 common benchmarks
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Grok-4 Heavy
Average Score:21.7%
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Nova Micro
Average Score:51.8%(+30.1%)
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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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Grok-4 Heavy
0 providers
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Nova Micro
1 providers
Bedrock
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Grok-4 Heavy
Avg Score:21.7%
Providers:0
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Nova Micro
Avg Score:51.8%(+30.1%)
Providers:1