#1Claude Opus 4.8 Hits 88.6% on SWE-Bench with Parallel Sub-Agents
Anthropic released Claude Opus 4.8 on May 28, scoring 88.6% on SWE-Bench Verified — a new high-water mark for autonomous coding — powered by parallel sub-agent workflows. The model adds user-controllable effort levels and a fast mode that costs three times less than the previous generation's equivalent tier. Pricing holds at $5/$25 per million tokens (standard) and $10/$50 (fast).









