API changes

2 items

ARTICLEDEV.to AI·4/17/2026

Claude Opus 4.6 vs 4.7: Every Difference Side by Side

Claude Opus 4.7 introduces significant upgrades including 3x vision resolution, a new 'xhigh' effort slot, removed sampling parameters, and a new tokenizer with higher token usage. It also features behavioral shifts with more literal prompts and fewer tool calls, alongside three breaking changes requiring immediate migration from 4.6 code.

API changes AI updates Anthropic model comparison

NEWSDEV.to AI·4/18/2026

Claude Opus 4.7: 3 Breaking Changes That Will Crash Your Code

Claude Opus 4.7 introduces critical breaking changes that require immediate code migration, as previous configurations for thinking budgets and sampling parameters will now cause 400 errors. Developers must update their code to use adaptive thinking and adjust for new vision coordinate mapping to avoid crashes.

LLM development API changes Claude Anthropic