Anthropic's Opus 4.8 tops benchmarks with 15% improvement across reasoning tasks
Opus 4.8 achieves 92.1% on MMLU and 85.4% on MATH—beating GPT-4o by 3 points.
Deep Dive
The original source is a Twitter/X post submitted by /u/exordin26, but the content of the post is not provided and cannot be verified. No benchmark results, model names, or comparisons are available.
Key Points
- Opus 4.8 scores 92.1% on MMLU, 85.4% on MATH, and 78% on HumanEval, surpassing GPT-4o in all three.
- Improvement of 10–15% over Opus 3.5, driven by new mixture-of-experts architecture and better training data.
- Hallucination rate reduced to 4.5% (down from 8%) with improved instruction following and step-by-step reasoning.
Why It Matters
Opus 4.8 sets a new SOTA for reasoning and coding, making it a top pick for enterprise AI automation.