--- title: Quoting Drew Breunig link: https://simonwillison.net/2026/Aug/23/drew-breunig/ source: simon-willison published: 2026-08-23T19:55:30Z updated: 2026-08-23T19:55:30Z first_seen: 2026-09-02T14:07:29.769486161Z tags: - drew-breunig - anthropic - claude - llm-pricing - ai - llms - generative-ai - claude-mythos-fable summary: 'Prior to Fable, it felt silly to waste too much time improving your coding harness or context strategies. A new model would arrive at the same price (or cheaper!) and paper over most of your problems. But then Fable landed. It was (and still is!) incredible. But the cost was so high and Opus was good enough (as was 5.6, K3, and even GLM) for most of the code we needed. So we started to think about what work went where. — Drew Breunig, Fable & The End of the Free Lunch Tags: drew-breunig, anthropic, claude, llm-pricing, ai, llms, generative-ai, claude-mythos-fable' content: feed html: 2026-08-23-quoting-drew-breunig.html --- > Prior to Fable, it felt silly to waste *too* much time improving your coding harness or context strategies. A new model would arrive at the same price (or cheaper!) and paper over most of your problems. > > But then Fable landed. It was (and still is!) *incredible*. But the cost was so high and Opus was *good enough* (as was 5.6, K3, and even GLM) for *most* of the code we needed. > > *So we started to think about what work went where.* — [Drew Breunig](https://www.dbreunig.com/2026/08/23/fable-the-end-of-moore-s-law.html), Fable & The End of the Free Lunch Tags: [drew-breunig](https://simonwillison.net/tags/drew-breunig), [anthropic](https://simonwillison.net/tags/anthropic), [claude](https://simonwillison.net/tags/claude), [llm-pricing](https://simonwillison.net/tags/llm-pricing), [ai](https://simonwillison.net/tags/ai), [llms](https://simonwillison.net/tags/llms), [generative-ai](https://simonwillison.net/tags/generative-ai), [claude-mythos-fable](https://simonwillison.net/tags/claude-mythos-fable)