AI NewsJuly 28, 2026Opus 5 vs GPT-5.6 vs Grok 4.5: Four Real Build TestsI ran Claude Opus 5, GPT-5.6 Sol and Grok 4.5 through four hard builds: gallery site, spreadsheet app, image codec, repo audit. Times, results, verdict.AnthropicClaudeOpus 5+2Read more