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DeepSeek-V3.1 vs Gemini 3 Flash
Comprehensive side-by-side LLM comparison
Gemini 3 Flash offers 872.2K more tokens in context window than DeepSeek-V3.1. Gemini 3 Flash is $0.87 cheaper per million tokens. Gemini 3 Flash supports multimodal inputs. Both models have their strengths depending on your specific coding needs.
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DeepSeek
DeepSeek-V3.1, released by DeepSeek in August 2025, is a hybrid large language model with 671 billion total parameters (37 billion active) that unifies the capabilities of DeepSeek-V3 and DeepSeek-R1 in a single model. It features a 128K token context window and supports both direct generation and extended reasoning modes selectable via the chat template. DeepSeek-V3.1 targets general-purpose tasks, coding, and complex reasoning under an open MIT license.
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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.
3 months newer
DeepSeek-V3.1
DeepSeek
2025-08-21
Gemini 3 Flash
Google DeepMind
2025-12-17
Pricing Comparison
Cost per million tokens (USD)
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DeepSeek-V3.1
Input:$0.27
Output:$1.10
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Gemini 3 Flash
Input:$0.10
Output:$0.40($0.87 cheaper)
Performance Metrics
Context window and performance specifications
Provider Availability & Performance
Available providers and their performance metrics
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DeepSeek-V3.1
1 providers
DeepSeek
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Gemini 3 Flash
2 providers
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DeepSeek-V3.1
Avg Score:0.0%
Providers:1
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Gemini 3 Flash
Avg Score:0.0%
Providers:2