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Gemini 2.5 Flash-Lite vs Grok 4 Fast
Comprehensive side-by-side LLM comparison
Grok 4 Fast leads with 48.5% higher average benchmark score. Grok 4 Fast offers 915.9K more tokens in context window than Gemini 2.5 Flash-Lite. Both models have similar pricing. Overall, Grok 4 Fast is the stronger choice for coding tasks.
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Gemini 2.5 Flash Lite was created as the most efficient option in the Gemini 2.5 family, designed to provide cutting-edge capabilities with minimal computational overhead. Built for applications where cost and latency are primary concerns, it extends advanced multimodal understanding to resource-conscious deployments.
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xAI
Grok 4 Fast is a multimodal language model developed by xAI. It achieves strong performance with an average score of 73.0% across 7 benchmarks. It excels particularly in SimpleQA (95.0%), HMMT 2025 (93.3%), AIME 2025 (92.0%). With a 2.0M token context window, it can handle extensive documents and complex multi-turn conversations. The model is available through 1 API provider. 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.
2 months newer
Gemini 2.5 Flash-Lite
2025-06-17
Grok 4 Fast
xAI
2025-08-28
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Pricing Comparison
Cost per million tokens (USD)
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Gemini 2.5 Flash-Lite
Input:$0.10
Output:$0.40($0.20 cheaper)
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Grok 4 Fast
Input:$0.20
Output:$0.50
Performance Metrics
Context window and performance specifications
Average performance across 4 common benchmarks
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Gemini 2.5 Flash-Lite
Average Score:39.7%
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Grok 4 Fast
Average Score:88.2%(+48.5%)
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Knowledge Cutoff
Training data recency comparison
Gemini 2.5 Flash-Lite
2025-01-01
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-Lite
1 providers
Throughput: 5.69 tok/s
Latency: 0.44ms
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Grok 4 Fast
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Gemini 2.5 Flash-Lite
Avg Score:39.7%
Providers:1
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Grok 4 Fast
Avg Score:88.2%(+48.5%)
Providers:1