Sonnet

includes Sonnet 3.5, Sonnet 3.7, Sonnet 4.5, Sonnet Four, Sonnet IV, Sonnet Three Five

9 statements across 8 episodes · 4 bullish · 2 bearish · 9 people on the record · first statement Apr 27, 2024 by Rob Haisfield · across every show →

Everything said about Sonnet, oldest first

Apr 27, 2024 positive
Insight
Haisfield: Opus handles much more complexity than Sonnet for web generation
“Like sonnet will still create things that kind of like floor you sometimes. Opus can just handle much more complexity. I'd say it is the big heuristic there.”
Rob Haisfield Apr 27, 2024 ▶ 46:08 This World Does Not Exist — Joscha Bach, Karan Malhotra, Rob Haisfield (WorldSim, WebSim, Liquid AI)
Oct 11, 2024 neutral
Assertion Not checkable as stated
Goyal: OpenAI dominates production while Anthropic Sonnet leads side projects
“We still see an overwhelming majority of customers using OpenAI, but almost everyone is using Anthropic for the, and Sonnet specifically for their side projects, whether it's You know, via cursor or prototypes or whatever.”
Ankur Goyal Oct 11, 2024 ▶ 1:26:58 Production AI Engineering starts with Evals
Oct 13, 2024 bullish
Assertion Supported
Molmo-72B Ranks Second Behind Only GPT-4o in Human Preference Elo
“Most preference ranked was GPT-Four-O, then Momo-Semety-Two-B, then Gemini, then Sonnet, then the Seven-B.”
Vibhu Sapra Oct 13, 2024 ▶ 39:17 [Paper Club] Molmo + Pixmo + Whisper 3 Turbo - with Vibhu Sapra, Nathan Lambert, Amgadoz
Jan 17, 2025 positive
Insight
McAteer: Use Claude Sonnet for simple tasks and o1 for complex context
“Anything where it just seems simple and like, you can do one off and you don't need to bring a ton of context into it. You can typically use like sonnet or GPT for that. Anything where I feel like if I was going to try to implement it myself and I would need t…”
Dan McAteer Jan 17, 2025 ▶ 17:13 OpenAI o1 isn’t a chat model (and that’s the point)
Mar 23, 2025 negative
Opinion
Swyx: Frontier Models Exist Primarily to Distill Smaller, Usable Models
“Even GPT 4.5 is too expensive. Normally it's really gonna use it in, in any reasonable quantity. Like, you know, Claude 3.5 Opus, like if it does exist, still not like, you know, the thing that we actually use is Sonnet, right? So like, it's almost like a depl…”
Shawn Wang Mar 23, 2025 ▶ 3:58 The Magic of LLM Distillation — Rishabh Agarwal, Google DeepMind
Sep 25, 2025
Disclosure
Slack: Half of internal Amp team uses a model other than Sonnet
“So we, in our internal team right now, and this could change. We have about half of our internal team using a different model other than Sonnet as their main way of using AMP.”
Quinn Slack Sep 25, 2025 ▶ 28:33 Amp: The Emperor Has No Clothes
Sep 25, 2025 neutral
Assertion Not checkable as stated
Fanelli: Cursor Default Model Switch Cost Anthropic $200M in ARR
“When cursors switch from Sonnet to GPT-V as like the default model that was like, you know, Two hundred million our revenue for Anthropic that kind of went away and like moved on to GPT-V.”
Alessio Fanelli Sep 25, 2025 ▶ 29:57 Amp: The Emperor Has No Clothes
Sep 30, 2025 positive
Opinion
Krieger: Figma Make effectively bridges design models with LLMs
“I actually think Figma did a really good job with Make in that they you can tell that there's much more of a bridge between the sort of underlying design model and what the LLMs are doing in kind of coordination between Sonnet”
Mike Krieger Sep 30, 2025 ▶ 9:42 ⚡️Claude Sonnet 4.5 and Anthropic's roadmap for Agents and Developers — Mike Krieger, Anthropic
Apr 15, 2026 negative
Assertion Not checkable as stated
Claude Sonnet Crashed on Duplicate Tool Names While OpenAI Handled the Error
“Sonic couldn't handle two tools with the same name in OpenAI, GPT, 5.2. It was like, ah, I can figure this out. So that was an interesting one that we learned by accident through a SEV.”
Sarah Sachs Apr 15, 2026 ▶ 55:35 Notion’s Sarah Sachs & Simon Last on Custom Agents, Evals, and the Future of Work
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