Kun Chen's post on X, curated on eChai

OpenAI DevDay 2026

The verdict

Curated from X →

Kun Chen's six takeaways, from dots to what Sign in with ChatGPT means for a software company that sells tokens today.

Kun Chen 29 Sep 2026

ok here's my key takeaways from OpenAI DevDay keynote

1. dots

grok bot, muse, and now dots - they may look similar, but they are not

i think openai's dots is a significantly more cohesive implementation that spans across personal and business use, and also across single player and multiplayer

pretty excited to see where it goes

2. sol 6.1

biggest thing? openai caught up on cheaper cached tokens. this is a big deal and affects the overall cost of long horizon work a lot

in terms of sol the model itself, honestly it's bit weird that 6.1 is released only a few days after 6, making it feel like sol 6 was a premature release and 6.1 is what's supposed to be sol 6 all along

we'll just have to put our hands on it to see how big of a jump it is

3. jev clone

on one hand, it's incredible to see how quickly they cloned it. but on the other hand, it's scary to see how these frontier labs would not blink an eye to destroy smaller startups in their space

openai's decision model already has image understanding which jev doesn't. it speaks to the moat openai has accumulated which makes it hard for startups to disrupt

4. ultrafast

8x speed at 6x price, only on astra right now but said to be coming for sol as well

i don't know... how many use cases can actually get a positive ROI using astra at 6x price?

5. $500 subscription

with the adjustment to the $200 plan and the introduction of $500, it's become clear that subsidization is coming to an end

$200 is simply 10x of what $20 gives, and $500 is simply 25x - zero discount at these higher price points

i'd rather they create $100 "packs" that you can stack onto your account

6. sign-in with chatgpt, and marketplace

this is a BIG DEAL!!! why? because it means other companies can finally build agentic products without having to sell tokens

selling tokens is a very bad business model for the vast majority of SaaS companies. it complicates their pricing structure and creates almost no profit margin at all

this move from openai means customers just buy tokens from openai, and use them everywhere - very good for the ecosystem

the impact to the broader industry will be amplified if anthropic gets pressured to follow the same pattern

alright - might share more thoughts after actually putting my hands on the new things, but those are the initial reactions for now. curious to hear what you all took away from it as well!

More from OpenAI DevDay 2026

The verdict

Curated from X →

Token Gremlin at the end of the day, on the gap between what OpenAI built up and what many people were waiting for.

Token Gremlin 5h

I’ve been getting dozens of DMs from people saying how disappointed they were with DevDay, and I think the reason is pretty clear. OpenAI built an enormous amount of hype around this event, so a lot of users went in expecting some kind of “miracle.”

Many were specifically waiting for a direct answer to Opus 5.5 in raw performance. Instead, OpenAI’s answer was much more about speed, efficiency, and cost.

To be fair, a smaller group absolutely loved that approach. GPT-6.1 Sol being much cheaper while getting close to Astra-level capability is genuinely impressive. But for a lot of people, that wasn’t the thing they were waiting for.

Then there’s the usage limits. The announced reductions hit people hard, especially because many users already felt constrained before DevDay. Cutting limits during an event that was supposed to make people excited was always going to leave a bad taste.

And I think Plus users are probably the most frustrated group right now. They were hoping for something meaningful in ChatGPT itself, but GPT-6.1 Sol launched in Work and Codex only. So once again, the obvious question is: "Where is Chat mode?"

I don’t think DevDay was a bad event. There were genuinely impressive launches here. But I do think there’s a very real gap between what OpenAI hyped, what users expected, and what many of them actually received. That’s worth listening to.

@thsottiaux @ajambrosino @JustinBleuel @victornunez @OpenAI @ChatGPT
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From the floor

Curated from X →

OpenAI's developer account on the 48 hours of side quests that followed the keynote.

OpenAI Developers 6h

Ready for a DevDay side quest?

10 builder challenges.
5 Codex Micros up for grabs.

Complete any 5 side quests to earn 1 raffle ticket for each.

48 hours. Join from anywhere 🌎
Dots

Curated from X →

Max Weinbach, an analyst at Creative Strategies, who could not make it to DevDay and had a dot handle the cancellations instead.

Max Weinbach 6h

This is kind of cool with dots

I got a little bit sick in Hawaii and after an 8 1/2 hour delay last Monday, the idea of flying to San Francisco for Dev Day was simply not happening (I appreciate the invite OpenAI, it was just too much all like 5 days before)

But I had dots go cancel my non-refundable hotel and flight and try to get me a refund. It emailed the hotel, who didn’t respond. After 2 days it decided to email the general manager of the hotel and request it, then got the GM to approve the cancellation with no fee. It noticed there was a $210 charge on my card after the GM agreed, so it followed up to ask why for me.

It also submitted a request with Delta for me, citing the 8.5 hour delay and saying the idea of getting on a plane after that was brutal and requesting an exception. I got a call an hour ago from support saying they’ll approve the request and do a full refund.

Couldn’t make it to Dev Day, but it still got me a full refund on 2 non-refundable bookings.

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