Claude Opus 4.5
Anthropic's flagship model known for nuanced reasoning and code generation
Consistent top-tier performance across benchmarks
Metrics
Score Breakdown
Compatibility
Scoring Methodology
Overall reasoning and task completion ability
Source: LMArena ELO, Artificial Analysis Intelligence Index, HuggingFace MMLU-PRO
Mathematical reasoning and problem solving
Source: MATH benchmark, GSM8K, HuggingFace MATH-Lvl5
Code generation, understanding, and debugging
Source: HumanEval, MBPP, SWE-bench
Multi-step logical reasoning
Source: ARC-Challenge, BBH, MMLU-Pro, HuggingFace BBH
Ability to follow complex instructions accurately
Source: HuggingFace IFEval
Related Signals
Gemini 3 Pro Takes LMArena Lead
Gemini 3 Pro has reached 1490 ELO on LMArena, surpassing Claude Opus 4.5 and GPT-5.1 to claim the top position in human preference rankings.
LangGraph Reaches Production Maturity
LangGraph has matured into a production-ready framework for complex agent orchestration, with ThoughtWorks recommending 'Adopt' status in their Technology Radar.