Claude Opus 4.8: Benchmark Results and Review

The AI & Tech Society by Danar · Jun 4, 2026 · 17m

Claude Opus 4.8 Review and Benchmark results

Key insight: 10.6-point gap on SWE-bench Pro is the largest between Opus 4.8 and GPT-5.5

Dynamic Workflows

What it is: Research preview feature letting Claude orchestrate hundreds of parallel subagents

How it works:

Claude plans a large task

Writes JavaScript orchestration script

Spawns tens to hundreds of parallel subagents

Runs them simultaneously

Verifies results against test suite

Returns coordinated final answer

Limits:

Up to 16 concurrent agents

Up to 1,000 agents total per run

"Meaningfully more tokens" than typical sessions

Available on…