Measurement (Google Analytics 4) loads only if you accept. Privacy

✨ $500 AI Visibility Audit — live at Spurlock Studios. Book the audit

What is filed under model routing?

Posts tagged model routing collect Will Spurlock's writing on this topic. The three newest excerpts: Astra for hard coding and attended computer use. Fable after Opus 5 fails. 3.8 Flash for cheap volume. Grok 4.6 under 200k. Grok Bot is ops, not a model. Astra is the OpenAI flagship seat, not the default. I keep Sol on volume and Fable as a promote. Start at medium effort; the 272K surcharge and Fast are taxes. Opus 5 stays my default. I promote to Claude Fable 5.1 when Opus at high effort still fails. Mythos 5.1 is invite-only. Cache reads at $0.25 are the cost story.

4 posts as of 2026-09-05, counted from content/blog frontmatter

All Topics435AI Models & Frontier News134AI Agents & Automation122AI Coding & Dev Tools34Growth & Operations16Web Design & Digital Craft12AI Policy & Safety6AI Visibility65AI Automation22AI Agents10

Tagged: model routing

Discover insights and strategies for leveraging technology in business

September 2026 Frontier Routing: Astra, Fable, 3.8 Flash, Grok 4.6.
AI Models & Frontier NewsAI Agents & Automation

September 2026 Frontier Routing: Astra, Fable, 3.8 Flash, Grok 4.6.

Astra for hard coding and attended computer use. Fable after Opus 5 fails. 3.8 Flash for cheap volume. Grok 4.6 under 200k. Grok Bot is ops, not a model.

9/5/2026
28 min read
Where GPT-6 Astra Goes — and Where It Doesn't.
AI Models & Frontier NewsAI Agents & Automation

Where GPT-6 Astra Goes — and Where It Doesn't.

Astra is the OpenAI flagship seat, not the default. I keep Sol on volume and Fable as a promote. Start at medium effort; the 272K surcharge and Fast are taxes.

9/4/2026
30 min read
Don't Swap Opus 5 for Fable 5.1. Promote When Opus Fails.
AI Models & Frontier NewsAI Agents & Automation

Don't Swap Opus 5 for Fable 5.1. Promote When Opus Fails.

Opus 5 stays my default. I promote to Claude Fable 5.1 when Opus at high effort still fails. Mythos 5.1 is invite-only. Cache reads at $0.25 are the cost story.

9/2/2026
26 min read
GPT-5 Launches: The Single-Model Router That Deprecates Everything
AI Models & Frontier News

GPT-5 Launches: The Single-Model Router That Deprecates Everything

OpenAI launches GPT-5 today — a single model that routes between reasoning and non-reasoning modes, replacing GPT-4o, GPT-4.5, and o3 as the default ChatGPT experience.

8/7/2025
49 min read

Frequently asked questions

What does model routing mean on this blog?

Posts tagged model routing collect Will Spurlock's writing on this topic. The three newest excerpts: Astra for hard coding and attended computer use. Fable after Opus 5 fails. 3.8 Flash for cheap volume. Grok 4.6 under 200k. Grok Bot is ops, not a model. Astra is the OpenAI flagship seat, not the default. I keep Sol on volume and Fable as a promote. Start at medium effort; the 272K surcharge and Fast are taxes. Opus 5 stays my default. I promote to Claude Fable 5.1 when Opus at high effort still fails. Mythos 5.1 is invite-only. Cache reads at $0.25 are the cost story.

How many posts are filed under model routing?

4 posts as of 2026-09-05, counted from content/blog frontmatter.

What should I read first in model routing?

Start with "September 2026 Frontier Routing: Astra, Fable, 3.8 Flash, Grok 4.6.". Astra for hard coding and attended computer use. Fable after Opus 5 fails. 3.8 Flash for cheap volume. Grok 4.6 under 200k. Grok Bot is ops, not a model.