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Gemini 2.5 Flash vs Grok-4 Heavy
Comprehensive side-by-side LLM comparison
Grok-4 Heavy leads with 24.4% higher average benchmark score. Gemini 2.5 Flash is available on 2 providers. Overall, Grok-4 Heavy is the stronger choice for coding tasks.
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Gemini 2.5 Flash represents a continued evolution of Google's efficient multimodal models, designed to deliver enhanced capabilities while maintaining the performance characteristics valued in the Flash series. Built to serve high-throughput applications with improved quality, it advances the balance between speed and intelligence.
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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 month newer
Gemini 2.5 Flash
2025-05-20
Grok-4 Heavy
xAI
2025-07-09
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Performance Metrics
Context window and performance specifications
Average performance across 3 common benchmarks
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Gemini 2.5 Flash
Average Score:55.3%
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Grok-4 Heavy
Average Score:79.7%(+24.4%)
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Knowledge Cutoff
Training data recency comparison
Grok-4 Heavy
2024-12-31
Gemini 2.5 Flash
2025-01-31
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 2.5 Flash
2 providers
Throughput: 85 tok/s
Latency: 0.7ms
ZeroEval
Throughput: 85 tok/s
Latency: 0.7ms
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Gemini 2.5 Flash
Avg Score:55.3%
Providers:2
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Grok-4 Heavy
Avg Score:79.7%(+24.4%)
Providers:0