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Claude Opus 4 vs Phi 4 Reasoning Plus
Comprehensive side-by-side LLM comparison
Claude Opus 4 leads with 4.1% higher average benchmark score. Claude Opus 4 supports multimodal inputs. Claude Opus 4 is available on 4 providers. 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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Microsoft
Phi-4 Reasoning Plus was created as an enhanced reasoning variant, designed to provide even deeper analytical capabilities within the Phi-4 family. Built to maximize reasoning quality while maintaining the efficiency benefits of small models, it represents the most capable reasoning-focused option in the Phi-4 series.
22 days newer
Phi 4 Reasoning Plus
Microsoft
2025-04-30
Claude Opus 4
Anthropic
2025-05-22
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Performance Metrics
Context window and performance specifications
Average performance across 2 common benchmarks
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Claude Opus 4
Average Score:77.6%(+4.1%)
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Phi 4 Reasoning Plus
Average Score:73.4%
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Knowledge Cutoff
Training data recency comparison
Phi 4 Reasoning Plus
2025-03-01
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
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:77.6%(+4.1%)
Providers:4
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Phi 4 Reasoning Plus
Avg Score:73.4%
Providers:0