Comprehensive side-by-side LLM comparison
Claude Opus 4 leads with 13.2% 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.
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.
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.
22 days newer

Phi 4 Reasoning
Microsoft
2025-04-30

Claude Opus 4
Anthropic
2025-05-22
Context window and performance specifications
Average performance across 2 common benchmarks

Claude Opus 4

Phi 4 Reasoning
Phi 4 Reasoning
2025-03-01
Available providers and their performance metrics

Claude Opus 4
Anthropic
Bedrock
ZeroEval

Claude Opus 4

Phi 4 Reasoning

Claude Opus 4

Phi 4 Reasoning

Phi 4 Reasoning