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Claude Opus 4.1 vs Grok 2
Comprehensive side-by-side LLM comparison
Both models show comparable benchmark performance. Claude Opus 4.1 offers 92.7K more tokens in context window than Grok 2. Grok 2 is $78.00 cheaper per million tokens. Claude Opus 4.1 is available on 3 providers. Both models have their strengths depending on your specific coding needs.
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Anthropic
Claude Opus 4.1, released by Anthropic in August 2025, is a large language model from the Claude 4 family optimized for demanding reasoning, multi-step coding, and extended analysis tasks. It features a 200K token context window, 32K maximum output tokens, native image understanding, and extended thinking capabilities. Opus 4.1 targets complex problem-solving, multi-turn reasoning workflows, and applications requiring deep analysis with integrated tool use.
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xAI
Grok 2, released by xAI in August 2024, is a large language model with 131K token context window and native image understanding, developed with access to real-time information from the X platform. It features multimodal input capabilities and improved reasoning over its predecessor. Grok 2 targets conversational assistants, image analysis, and real-time information retrieval tasks via the xAI API.
11 months newer
Grok 2
xAI
2024-08-14
Claude Opus 4.1
Anthropic
2025-08-05
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:0.9%
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Grok 2
Average Score:1.0%(+0.1%)
Performance comparison across key benchmark categories
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Claude Opus 4.1
Agents0.9%
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Grok 2
Agents1.0%(+0.1%)
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Knowledge Cutoff
Training data recency comparison
Claude Opus 4.1
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 Opus 4.1
3 providers
Anthropic
AWS Bedrock
Google Cloud Vertex AI
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Grok 2
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Claude Opus 4.1
Avg Score:0.9%
Providers:3
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Grok 2
Avg Score:1.0%(+0.1%)
Providers:1