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Claude Sonnet 4 vs Grok 4
Comprehensive side-by-side LLM comparison
Grok 4 offers 14.5K more tokens in context window than Claude Sonnet 4. Claude Sonnet 4 is $12.00 cheaper per million tokens. Claude Sonnet 4 is available on 3 providers. Both models have their strengths depending on your specific coding needs.
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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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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.
1 month newer
Claude Sonnet 4
Anthropic
2025-05-14
Grok 4
xAI
2025-07-10
Pricing Comparison
Cost per million tokens (USD)
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Claude Sonnet 4
Input:$3.00
Output:$15.00($12.00 cheaper)
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Grok 4
Input:$5.00
Output:$25.00
Performance Metrics
Context window and performance specifications
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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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Grok 4
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Claude Sonnet 4
Avg Score:0.0%
Providers:3
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Grok 4
Avg Score:0.0%
Providers:1