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Claude Opus 4 vs Claude Opus 4.1
Comprehensive side-by-side LLM comparison
Claude Opus 4.1 leads with 1.1% higher average benchmark score. Claude Opus 4 offers 96.0K more tokens in context window than Claude Opus 4.1. Both models have similar pricing. Both models have their strengths depending on your specific coding needs.
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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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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.
2 months newer
Claude Opus 4
Anthropic
2025-05-22
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
Input:$15.00
Output:$75.00
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Claude Opus 4.1
Input:$15.00
Output:$75.00
Performance Metrics
Context window and performance specifications
Average performance across 8 common benchmarks
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Claude Opus 4
Average Score:71.6%
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Claude Opus 4.1
Average Score:72.7%(+1.1%)
Performance comparison across key benchmark categories
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Claude Opus 4
Coding72.5%
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Claude Opus 4.1
Coding74.5%(+2.0%)
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:71.6%
Providers:4
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Claude Opus 4.1
Avg Score:72.7%(+1.1%)
Providers:4