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August 21, 2026

Pondero Brief: Anthropic leads OpenAI 44 to 40, but no one is locked in

Pondero Brief - AUGUST 21ST, 2026

No vendor lock-in yet, per Ramp. Plus Cerebras CS-4 and a free routing API.
pondero. BRIEF · AUG 21

Anthropic ahead on enterprise AI spend - but OpenAI is closing fast

Ramp data from 70,000 US businesses: Anthropic 44 percent, OpenAI 40 percent, and zero lock-in either way.

Ramp's data from 70,000 US businesses puts Anthropic at 44 percent of enterprise AI spend vs. OpenAI's 40 percent as of July 2026 - but OpenAI is growing faster in Q3. Vendor stickiness is near zero: raw model performance decides your bill, not platform lock-in.

Also in today's brief

  • Anthropic leads enterprise spend, but gap is thin
  • Ramp opens free AI routing to the public
  • Cerebras CS-4 hits 4,400 tokens per second
  • Microsoft cuts MAI-Code Flash 73 percent
  • ChatGPT reads and sends iMessages on Mac
 
Models & Releases
Cerebras CS-4 wafer chip illustration

Cerebras CS-4 hits 4,400 tokens per second

Unveiled August 18, the CS-4 packs three WSE-3 Turbo wafers into one rack for 750 PFLOPs and 4,400 tokens per second per user on a 120B-parameter model - first shipments land in Q3. At that speed, an agent takes more reasoning steps in the same wall-clock time. Read our take →

 

Microsoft cuts MAI-Code Flash 73 percent and adds vision

The updated model rolled into every GitHub Copilot plan on August 11 with native image understanding, a 73 percent lower list price, and a 22 percent Terminal-Bench 2.1 gain for CLI tasks. The cheap default coding model just got materially better - re-check which model your team pins. Read the changelog →

 
Tools & How-To
Ramp AI router illustration

Ramp opens its AI routing infrastructure to everyone

Three days after Stripe bought OpenRouter, Ramp opened its internal routing infrastructure spanning 8 AI providers - claiming 40 percent average inference savings on its own production traffic. Free through the end of 2026, US-only. Read our take →

 
ChatGPT iMessages Mac illustration

ChatGPT can now read and send your iMessages on Mac

The August 20 Mac update lets ChatGPT read full iMessage, SMS, and RCS history and send texts as you - only in Work and Codex sessions, only on Apple Silicon, only behind a per-send confirmation OpenAI says not to disable. Read our take →

 
Quick Hits
• Try Make. Cloud automation that connects the same apps as n8n without hosting anything - a fit for agentic workflows without a server to babysit. Try it →
• Try Buttondown. The newsletter platform sending you this email. Clean API, no AMP, fair pricing. Try it →
From the Pondero Stack
n8n 2.35 review illustration

n8n 2.35: Agent Builder test runs and per-tool approval - does it change the verdict?

n8n 2.35 adds Agent Builder test runs before live traffic and per-tool human approval on irreversible actions in Slack, Telegram, and n8n Chat. Verdict: still the pick for self-hosters escaping per-execution pricing, 4.5 out of 5. If you want cloud-only with zero servers, Make is the better pick. Read it →

 

How was today's brief?

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Jonathan Hildebrandt Jonathan Hildebrandt
Co-founder and primary operator of Pondero. Writes the Pondero Brief.

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