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Gemini 1.5 Flash vs Grok-4 Heavy
Comprehensive side-by-side LLM comparison
Grok-4 Heavy leads with 37.4% higher average benchmark score. Overall, Grok-4 Heavy is the stronger choice for coding tasks.
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Gemini 1.5 Flash was created as a fast and efficient multimodal model, designed to provide quick responses while handling text, images, and other modalities. Built for applications requiring low latency and high throughput, it balances capability with speed to serve real-time and high-volume use cases.
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xAI
Grok 4 Heavy was created as a larger, more capable variant of Grok 4, designed to provide maximum reasoning depth and analytical capability. Built for the most demanding applications requiring sophisticated problem-solving, it represents xAI's flagship offering in the fourth generation.
1 year newer
Gemini 1.5 Flash
2024-05-01
Grok-4 Heavy
xAI
2025-07-09
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Performance Metrics
Context window and performance specifications
Average performance across 1 common benchmarks
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Gemini 1.5 Flash
Average Score:51.0%
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Grok-4 Heavy
Average Score:88.4%(+37.4%)
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Knowledge Cutoff
Training data recency comparison
Gemini 1.5 Flash
2023-11-01
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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Gemini 1.5 Flash
1 providers
Throughput: 150 tok/s
Latency: 0.3ms
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Grok-4 Heavy
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Gemini 1.5 Flash
Avg Score:51.0%
Providers:1
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Grok-4 Heavy
Avg Score:88.4%(+37.4%)
Providers:0