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Claude Sonnet 4 vs Gemini 3 Pro
Comprehensive side-by-side LLM comparison
Gemini 3 Pro leads with 18.5% higher average benchmark score. Gemini 3 Pro offers 744.2K more tokens in context window than Claude Sonnet 4. Claude Sonnet 4 is $4.50 cheaper per million tokens. Overall, Gemini 3 Pro is the stronger choice for coding tasks.
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Anthropic
Claude Sonnet 4, released by Anthropic in May 2025, is a large language model from the Claude 4 family that delivers a balance of performance and efficiency for coding, reasoning, and analytical tasks. It features a 200K token context window (extendable to 1M tokens in beta), 64K maximum output tokens, native image understanding, and extended thinking support. Sonnet 4 targets development workflows, document analysis, and applications that benefit from the performance characteristics of the Claude 4 generation.
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Google DeepMind
Gemini 3 Pro, released by Google in November 2025, is a large language model from the Gemini 3 family designed for complex reasoning, broad world knowledge, and multi-step problem solving. It features a 1M token context window, 64K maximum output tokens, and native multimodal input including text, images, audio, and video. Gemini 3 Pro targets research-grade reasoning, advanced data analysis, and applications requiring comprehensive understanding across diverse input formats.
6 months newer
Claude Sonnet 4
Anthropic
2025-05-14
Gemini 3 Pro
Google DeepMind
2025-11-18
Pricing Comparison
Cost per million tokens (USD)
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Claude Sonnet 4
Input:$3.00
Output:$15.00($4.50 cheaper)
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Gemini 3 Pro
Input:$2.50
Output:$20.00
Performance Metrics
Context window and performance specifications
Average performance across 1 common benchmarks
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Claude Sonnet 4
Average Score:35.6%
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Gemini 3 Pro
Average Score:54.1%(+18.5%)
Performance comparison across key benchmark categories
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Claude Sonnet 4
Tool Use35.6%
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Gemini 3 Pro
Tool Use54.1%(+18.5%)
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Knowledge Cutoff
Training data recency comparison
Claude Sonnet 4
2025-01
More recent knowledge cutoff means awareness of newer technologies and frameworks
Provider Availability & Performance
Available providers and their performance metrics
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Claude Sonnet 4
3 providers
Anthropic
AWS Bedrock
Google Cloud Vertex AI
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Gemini 3 Pro
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Claude Sonnet 4
Avg Score:35.6%
Providers:3
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Gemini 3 Pro
Avg Score:54.1%(+18.5%)
Providers:2