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Gemini 2.5 Flash vs Grok-4
Comprehensive side-by-side LLM comparison
Grok-4 leads with 17.8% higher average benchmark score. Gemini 2.5 Flash offers 850.1K more tokens in context window than Grok-4. Gemini 2.5 Flash is $15.20 cheaper per million tokens. Overall, Grok-4 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 represents the fourth generation of xAI's language models, developed to continue advancing the frontier of AI reasoning and knowledge. Built to handle increasingly complex tasks with enhanced reliability, it demonstrates xAI's commitment to pushing AI capabilities forward.
1 month newer
Gemini 2.5 Flash
2025-05-20
Grok-4
xAI
2025-07-09
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Pricing Comparison
Cost per million tokens (USD)
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Gemini 2.5 Flash
Input:$0.30
Output:$2.50($15.20 cheaper)
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Grok-4
Input:$3.00
Output:$15.00
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
Average Score:73.1%(+17.8%)
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Knowledge Cutoff
Training data recency comparison
Grok-4
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
Avg Score:73.1%(+17.8%)
Providers:2