Originally published on rohitraj.tech
Anthropic shipped Claude Opus 4.8 on May 28, 2026 — agentic coding jumps 64.3% to 69.2%, it is around 4x less likely to let a code flaw pass unremarked, and pricing is unchanged at $5/$25 per million tokens. Here is the developer-only breakdown: the confirmed benchmark deltas, the code changes to make, where it actually beats 4.7, and the one reason you might wait.
Read the full version with code samples, diagrams, and architecture details: Claude Opus 4.8 vs 4.7 for Developers: What Changed and Should You Upgrade (2026)
More engineering notes: rohitraj.tech/en/notes
