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Gemini 2.5 Flash vs Grok 3
Comprehensive side-by-side LLM comparison
Both models show comparable benchmark performance. Grok 3 offers 8.2K more tokens in context window than Gemini 2.5 Flash. Gemini 2.5 Flash is $17.25 cheaper per million tokens. Both models have their strengths depending on your specific coding needs.
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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 3, released by xAI in February 2025, is a large language model trained on xAI's Colossus supercluster with substantially increased compute over previous generations. It features a 1M token context window, RL-enhanced Think mode for extended reasoning, and demonstrated strong results on mathematics, coding, and scientific benchmarks. Grok 3 targets complex reasoning, real-time information tasks via X platform integration, and agentic workflows via the xAI API.
4 months newer
Grok 3
xAI
2025-02-17
Gemini 2.5 Flash
Google DeepMind
2025-06-17
Pricing Comparison
Cost per million tokens (USD)
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Gemini 2.5 Flash
Input:$0.15
Output:$0.60($17.25 cheaper)
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Grok 3
Input:$3.00
Output:$15.00
Performance Metrics
Context window and performance specifications
Average performance across 2 common benchmarks
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Gemini 2.5 Flash
Average Score:0.8%(+0.6%)
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Grok 3
Average Score:0.1%
Performance comparison across key benchmark categories
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Gemini 2.5 Flash
Agents2.5%(+1.2%)
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Grok 3
Agents1.3%
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 3
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Gemini 2.5 Flash
Avg Score:0.8%(+0.6%)
Providers:2
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Grok 3
Avg Score:0.1%
Providers:1