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Gemini 2.5 Pro Preview 06-05 vs Grok 4 Fast
Comprehensive side-by-side LLM comparison
Grok 4 Fast leads with 13.8% higher average benchmark score. Grok 4 Fast offers 915.9K more tokens in context window than Gemini 2.5 Pro Preview 06-05. Grok 4 Fast is $10.55 cheaper per million tokens. Overall, Grok 4 Fast is the stronger choice for coding tasks.
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Gemini 2.5 Pro Preview was released as an early access version of Gemini 2.5 Pro, designed to allow developers and enterprises to experiment with next-generation capabilities before general availability. Built to gather feedback and demonstrate upcoming features, it provided a window into the evolution of Google's flagship model.
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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 Pro Preview 06-05
2025-06-05
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 Pro Preview 06-05
Input:$1.25
Output:$10.00
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Grok 4 Fast
Input:$0.20
Output:$0.50($10.55 cheaper)
Performance Metrics
Context window and performance specifications
Average performance across 4 common benchmarks
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Gemini 2.5 Pro Preview 06-05
Average Score:74.4%
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Grok 4 Fast
Average Score:88.2%(+13.8%)
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Knowledge Cutoff
Training data recency comparison
Gemini 2.5 Pro Preview 06-05
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 Pro Preview 06-05
1 providers
Throughput: 85 tok/s
Latency: 0.7ms
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Grok 4 Fast
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Gemini 2.5 Pro Preview 06-05
Avg Score:74.4%
Providers:1
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Grok 4 Fast
Avg Score:88.2%(+13.8%)
Providers:1