Anthropic's Fable 5.1 shipped September 1 with the same $10/$50 sticker as GPT-6 Astra but a 75% cache-read cut and flat pricing across the full 1M window. That changes which agent loops become viable: persistent brand-context documents can stay open across hundreds of turns. Four jobs to give it, two to keep on Opus 5, and three API breaking changes marketers need to patch this week.
GPT-6 "Astra" landed September 3 at $10/$50 per 1M tokens with 1.05M context and 0% out-of-scope safety hits. The headline is Computer Use — a model that clicks through HubSpot, builds spreadsheets, and pulls competitor PDFs into structured tables. Five jobs worth routing to it, three to keep on Sol or Opus 5, and the routing principle that fits both.
DeepSeek shipped V4-Flash-Vision-Exp on Aug 21 — the V4 family's first native vision endpoint, at the same Flash-tier pricing as the text model. A working marketer's first-day take on what to hand it, what to keep on Opus, and what to watch out for while it's still experimental.
A working marketer's read on the gap between Basic and Premium Copilot — the four agent-powered jobs only Premium unlocks, the real all-in seat cost (not the headline $30), and who on a marketing team should actually pay the upgrade.
DeepSeek's first open-source Agent product — MIT license, Cordis plugin architecture, four runtime modes — landed August 13 with 50K stars in 24 hours. What it means for marketers, the two reasons to wait, and where it sits next to OpenClaw, Lindy, and ChatGPT Work.
Anthropic shipped Opus 5 on July 25, 2026. Here's how it actually performs on the marketing jobs I run daily — long-context research, multi-agent orchestration, complex content — and the three situations where Opus 4.8 is still the smarter spend.
xAI shipped Grok 4.5 on July 9, 2026 at $2/$6 per million tokens, claiming Opus-class quality and roughly half the tokens of comparable models. After running it through a week of marketing pipelines, here's the cost math that actually matters, 5 jobs where I'd reach for it, and 3 where I'd skip it.
Two credible people wrote about Kimi K3 the same week. Nathan Lambert called it the open-weights escalation; Zvi Mowshowitz said don't get carried away. Both are right. Here's the 3-5 month gap, what's genuinely new, what isn't, and what I'd actually route to it tomorrow.
OpenClaw is the open-source local AI agent that replaces $310/month of SaaS for $12. Here's the give/don't-give framework from six months of running it.
After authoring 30+ skills for marketing — including the ones this blog runs on — here are the six rules that actually separate a useful skill from a 4,000-word prompt that breaks on run 4.
Lindy is a no-code agent builder with 100+ native integrations, Gmail/HubSpot/Salesforce connectors, browser automation on Pro, and a deep marketing-template library (SDR, meeting notes, webinar coord, SEO, Slack). From $49.99/mo — no free tier.
