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Gemini 2.5 Flash vs Grok 4
Comprehensive side-by-side LLM comparison
Grok 4 leads with 9.2% higher average benchmark score. Gemini 2.5 Flash offers 729.7K more tokens in context window than Grok 4. Gemini 2.5 Flash is $29.25 cheaper per million tokens. Overall, Grok 4 is the stronger choice for coding tasks.
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Google DeepMind
Gemini 2.5 Flash, released by Google in June 2025, is a large language model from the Gemini 2.5 family optimized for high-throughput, cost-efficient deployments with multimodal reasoning. It features a 1M token context window, hybrid thinking control, and native support for text, image, video, and audio input. Gemini 2.5 Flash targets latency-sensitive applications, document analysis, and high-volume API workloads that benefit from combined reasoning and generation in a single model.
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xAI
Grok 4, released by xAI on July 10, 2025, is a large language model featuring first-principles reasoning and comprehensive multimodal support. It features a 260K token context window and demonstrated strong performance on advanced reasoning and coding benchmarks. Grok 4 targets complex multi-step reasoning tasks, scientific analysis, and agentic workflows via the xAI API.
23 days newer
Gemini 2.5 Flash
Google DeepMind
2025-06-17
Grok 4
xAI
2025-07-10
Pricing Comparison
Cost per million tokens (USD)
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Gemini 2.5 Flash
Input:$0.15
Output:$0.60($29.25 cheaper)
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Grok 4
Input:$5.00
Output:$25.00
Performance Metrics
Context window and performance specifications
Average performance across 1 common benchmarks
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Gemini 2.5 Flash
Average Score:78.3%
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Grok 4
Average Score:87.5%(+9.2%)
Performance comparison across key benchmark categories
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Gemini 2.5 Flash
Science78.3%
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Grok 4
Science87.5%(+9.2%)
Provider Availability & Performance
Available providers and their performance metrics
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Gemini 2.5 Flash
2 providers
Google Cloud Vertex AI
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Grok 4
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Gemini 2.5 Flash
Avg Score:78.3%
Providers:2
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Grok 4
Avg Score:87.5%(+9.2%)
Providers:1