2 points, 1 comments on Hacker News
Source: [Hacker News](https://generative-ai.review/2026/06/claude-fable-rush-test-compare-vs-opus-4-8-vs-chatgpt-5-5-2026-06-09/)
3 points, 0 comments on Hacker News
2 points, 0 comments on Hacker News
2 points, 0 comments on Hacker News
2 points, 1 comments on Hacker News
Claude Fable 5: Features, Pricing, and Fallbacks Anthropic just shipped claude-fable-5 , its most capable widely released model. It is a Mythos class model made safe for general use, with a 1M token context window, adaptive thinking, and a safety classifier that quietly hands risky prompts to Cl...
Opus 4. 8 was one-shotting simpler bugs just a few days ago for me. The last couple of days however its been like using a slot machine, and I can no longer get it to output clean code that is less-complicated and actually resolves issues.