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Claude Opus 4.1 vs Grok 3
Comprehensive side-by-side LLM comparison
Grok 3 offers 784.4K more tokens in context window than Claude Opus 4.1. Grok 3 is $72.00 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 3, released by xAI in February 2025, is a large language model trained on xAI's Colossus supercluster with substantially increased compute over previous generations. It features a 1M token context window, RL-enhanced Think mode for extended reasoning, and demonstrated strong results on mathematics, coding, and scientific benchmarks. Grok 3 targets complex reasoning, real-time information tasks via X platform integration, and agentic workflows via the xAI API.
5 months newer
Grok 3
xAI
2025-02-17
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 3
Input:$3.00
Output:$15.00($72.00 cheaper)
Performance Metrics
Context window and performance specifications
Average performance across 2 common benchmarks
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Claude Opus 4.1
Average Score:-0.0%
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Grok 3
Average Score:0.1%(+0.2%)
Performance comparison across key benchmark categories
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Claude Opus 4.1
Agents0.9%
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Grok 3
Agents1.3%(+0.4%)
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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 3
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Claude Opus 4.1
Avg Score:-0.0%
Providers:3
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Grok 3
Avg Score:0.1%(+0.2%)
Providers:1