Grok 4.5 is a bigger deal than Fable 5
Greg Isenberg ·2026-07-10 ·2 min read
Summary written by us from the video's transcript. The video, and everything in it, is Greg Isenberg's work.
Learn how Grok 4.5 paired with Hermes can serve as an AI co‑founder, handling tools, automation, and rapid idea generation.
Takeaways
- Grok 4.5 combines top‑tier intelligence with ultra‑low cost, enabling agents to run continuously at high speed.
- Treating Hermes or OpenClaw as an AI co‑founder—complete with its own communication channels—creates a more powerful, hands‑on workflow than static automation.
- Cloud templates and one‑click connectors (Composio, Agent Card, Latitude) let you spin up fully equipped agents in seconds.
Why Grok 4.5 matters
Grok 4.5 delivers intelligence comparable to Anthropic’s Opus 4.8 but at a fraction of the cost and latency. Its speed makes it feel like a new product, unlocking real‑time interaction with agents such as Hermes or OpenClaw.
The model’s cheapness (about ten‑to‑fifteen times cheaper than Fable) encourages users to do more work rather than stop after a single task, leading to higher overall productivity.
Treating an agent like a co‑founder
Instead of viewing Hermes as a set‑and‑forget automation, think of it as a partner with its own computer, email, phone number, debit card and knowledge base. Giving the agent access to these tools lets it act autonomously across contexts.
The speaker’s Hermes instance, named Dewey, demonstrates this by managing dashboards, launching browsers, and handling communications without manual intervention.
Setting up the stack
You can host Hermes on a cloud provider (e.g., Orgo, Hostinger, Herzner) or locally, but cloud ensures the agent stays online when your machine is off. Templates like the speaker’s “nyx stack” pre‑install connectors and tools for quick deployment.
Composio provides one‑click connections to email, phone, and other services; Agent Card, Agent Mail, and Agent Phone add personal communication channels; Latitude offers observability of agent failures.
Spinning up new agents on the fly
Using a simple text command, Dewey can provision a fresh cloud computer with Hermes pre‑installed and Grok 4.5 as the model. The same process works for other models (e.g., GPT‑5.6 Soul) to compare performance.
The speaker notes he manages around 200 such computers across client projects, illustrating how quickly agents can be duplicated for different use cases.
Practical use cases
Content creation: generate ideas, thumbnails, and viral startup concepts using the Idea Browser MCP, which is trained on thousands of successful launches.
Business workflows: build a personal‑finance agent directly from a Twitter DM conversation; connect to VidIQ for video performance insights; leverage XMCP for trend detection.
Best practices
Give agents every tool you can imagine—email, phone, debit card, knowledge bases—to unlock their full potential. The speaker stresses not being shy about permissions because the model’s speed makes exploration fluid and productive.
Observe agent behavior with tools like Latitude to catch frustration signals and iteratively improve capabilities.