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Claude Opus 4.1 vs Grok-2
Comprehensive side-by-side LLM comparison
Claude Opus 4.1 leads with 24.9% higher average benchmark score. Claude Opus 4.1 offers 96.0K more tokens in context window than Grok-2. Grok-2 is $78.00 cheaper per million tokens. Claude Opus 4.1 is available on 4 providers. Overall, Claude Opus 4.1 is the stronger choice for coding tasks.
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Anthropic
Claude Opus 4.1 represents an iteration within the Claude 4 Opus line, built to deliver refined performance in complex reasoning and analysis tasks. Developed as part of Anthropic's flagship tier, it incorporates improvements to the foundational capabilities that define the Opus family of models.
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xAI
Grok 2 was developed as the second generation of xAI's language model family, designed to provide enhanced reasoning, knowledge, and conversational abilities. Built with architectural improvements and expanded training, it represents a significant advancement in xAI's model capabilities.
11 months newer
Grok-2
xAI
2024-08-13
Claude Opus 4.1
Anthropic
2025-08-05
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Pricing Comparison
Cost per million tokens (USD)
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Claude Opus 4.1
Input:$15.00
Output:$75.00
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Grok-2
Input:$2.00
Output:$10.00($78.00 cheaper)
Performance Metrics
Context window and performance specifications
Average performance across 1 common benchmarks
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Claude Opus 4.1
Average Score:80.9%(+24.9%)
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Grok-2
Average Score:56.0%
Provider Availability & Performance
Available providers and their performance metrics
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Claude Opus 4.1
4 providers
Anthropic
Throughput: 100 tok/s
Latency: 0.5ms
Bedrock
Throughput: 120 tok/s
Latency: 0.5ms
Throughput: 42 tok/s
Latency: 0.4ms
ZeroEval
Throughput: 42 tok/s
Latency: 0.4ms
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Claude Opus 4.1
Avg Score:80.9%(+24.9%)
Providers:4
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Grok-2
Avg Score:56.0%
Providers:1