Stone to Silicon

Artificial intelligence · April 2026

Claude Opus 4.7

Opus gets sharper on the hardest software engineering tasks.

Claude Opus 4.7 improved on its predecessor on the most difficult coding tasks and scored 90.9% on Harvey's BigLaw Bench for legal work.

See it in the living treeWikipediaSource

Arcs above join it to what it stood on, arcs below to what it led to. The bar places this stretch on the tree's whole timeline.

What it built on 1

What it led to 1

Related measurements

The dashed line marks when it first worked.

Best AI score on GPQA Diamond Latest: 95.8 % correct (2026) Source: Epoch AI, Capabilities & benchmarking (benchmark_data.zip, gpqa_diamond.csv); Anthropic: Claude 3 public launch (March 4, 2024)

Training compute of notable AI models Source: Epoch AI, Notable AI Models (CC BY 4.0)