+
+
+
+
+
+
+
+
VS
VS
VS
VS
VS
VS
Claude Opus 4.1 vs Phi 4 Reasoning
Comprehensive side-by-side LLM comparison
Claude Opus 4.1 leads with 15.1% higher average benchmark score. Claude Opus 4.1 supports multimodal inputs. Claude Opus 4.1 is available on 4 providers. Overall, Claude Opus 4.1 is the stronger choice for coding tasks.
+
+
+
+
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.
+
+
+
+
Microsoft
Phi-4 Reasoning was developed to incorporate extended analytical thinking into the Phi-4 architecture, designed to spend more time on complex problem-solving. Built to combine compact model efficiency with reasoning depth, it represents Microsoft's exploration of thoughtful small models.
3 months newer
Phi 4 Reasoning
Microsoft
2025-04-30
Claude Opus 4.1
Anthropic
2025-08-05
+
+
+
+
+
+
+
+
+
+
+
+
Performance Metrics
Context window and performance specifications
Average performance across 2 common benchmarks
+
+
+
+
Claude Opus 4.1
Average Score:79.5%(+15.1%)
+
+
+
+
Phi 4 Reasoning
Average Score:64.3%
+
+
+
+
Knowledge Cutoff
Training data recency comparison
Phi 4 Reasoning
2025-03-01
More recent knowledge cutoff means awareness of newer technologies and frameworks
Provider Availability & Performance
Available providers and their performance metrics
+
+
+
+
Claude Opus 4.1
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
+
+
+
+
Claude Opus 4.1
Avg Score:79.5%(+15.1%)
Providers:4
+
+
+
+
Phi 4 Reasoning
Avg Score:64.3%
Providers:0