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Claude Opus 4 vs Grok-1.5
Comprehensive side-by-side LLM comparison
Claude Opus 4 leads with 43.7% higher average benchmark score. Claude Opus 4 supports multimodal inputs. Claude Opus 4 is available on 4 providers. Overall, Claude Opus 4 is the stronger choice for coding tasks.
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Anthropic
Claude Opus 4 was developed as the flagship model in the Claude 4 generation, designed to push the boundaries of AI capability in complex reasoning, analysis, and multi-step problem-solving. Built to handle the most demanding enterprise tasks, it represents Anthropic's highest tier of intelligence and capability.
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xAI
Grok 1.5 was developed by xAI as an advanced language model, designed to provide helpful and accurate information with a focus on reasoning and factual knowledge. Built to serve as a conversational AI with strong analytical capabilities, it represents xAI's early generation of foundation models.
1 year newer
Grok-1.5
xAI
2024-03-28
Claude Opus 4
Anthropic
2025-05-22
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Performance Metrics
Context window and performance specifications
Average performance across 1 common benchmarks
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Claude Opus 4
Average Score:79.6%(+43.7%)
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Grok-1.5
Average Score:35.9%
Provider Availability & Performance
Available providers and their performance metrics
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Claude Opus 4
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
Avg Score:79.6%(+43.7%)
Providers:4
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Grok-1.5
Avg Score:35.9%
Providers:0