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Gemini 3 Flash vs Grok 4.1 Fast
Comprehensive side-by-side LLM comparison
Grok 4.1 Fast offers 1.0M more tokens in context window than Gemini 3 Flash. Gemini 3 Flash is $5.50 cheaper per million tokens. Both models have their strengths depending on your specific coding needs.
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Google DeepMind
Gemini 3 Flash, released by Google in December 2025, is a large language model from the Gemini 3 family that delivers reasoning and coding performance with efficiency optimized for high-volume workloads. It features a 1M token context window, 64K maximum output tokens, and native support for text, image, audio, video, and PDF input. Gemini 3 Flash targets cost-sensitive agentic workflows, document processing, and production APIs requiring fast, capable multimodal responses.
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xAI
Grok 4.1 Fast, released by xAI in November 2025, is a fast-response variant from the Grok 4 family featuring a 2M token context window designed for high-throughput applications. It omits thinking tokens for immediate responses, reducing latency while maintaining strong output quality. Grok 4.1 Fast targets production APIs, real-time assistants, and cost-sensitive applications requiring long-context understanding at high volume.
1 month newer
Grok 4.1 Fast
xAI
2025-11-17
Gemini 3 Flash
Google DeepMind
2025-12-17
Pricing Comparison
Cost per million tokens (USD)
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Gemini 3 Flash
Input:$0.10
Output:$0.40($5.50 cheaper)
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Grok 4.1 Fast
Input:$1.00
Output:$5.00
Performance Metrics
Context window and performance specifications
Provider Availability & Performance
Available providers and their performance metrics
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Gemini 3 Flash
2 providers
Google Cloud Vertex AI
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Grok 4.1 Fast
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Gemini 3 Flash
Avg Score:0.0%
Providers:2
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Grok 4.1 Fast
Avg Score:0.0%
Providers:1