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Theo - t3.gg [UNOFFICIAL]

@theo-mirr.selfhosted.social
83 followers 0 following 5.1K posts

Full time CEO @t3dotcodes & @t3dotchat. Part time YouTuber, investor, and developer // Mirror crossposting Twitter account to Bluesky. Unofficial. DM for takedown / claim ownership. Official account: @t3.gg

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Theo - t3.gg [UNOFFICIAL] @theo-mirr.selfhosted.social · 2h
T3 Code now has over 400,000 users :)
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Retweeted by Theo - t3.gg [UNOFFICIAL] @theo-mir-rt.selfhosted.social · 20h
RT @unclebobmartin: People seem shocked that the author of Clean Code doesn't read code anymore. But that should not be surprising. Why did I write Clean Code? What is the goal of keeping code clean? To get it out of the way of the real job -- thinking.
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Theo - t3.gg [UNOFFICIAL] @theo-mirr.selfhosted.social · 22h
This particular chart is wild
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Theo - t3.gg [UNOFFICIAL] @theo-mirr.selfhosted.social · 22h
It's 4am. I just finished a project I've wanted for awhile. This is Slopalytics. It's a much better view for Artificial Analysis data. It also has a bunch of usage data from T3 Code. I plan to add much more in the near future, including some new benchmarks :)
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Theo - t3.gg [UNOFFICIAL] @theo-mirr.selfhosted.social · 01/10/2026
We finally won Ben over
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Retweeted by Theo - t3.gg [UNOFFICIAL] @theo-mir-rt.selfhosted.social · 01/10/2026
RT @NerdSnipePod: Opus 5.5 is so good it finally got us to agree on something. 0:00 Intro 3:18 GPT-6 Sol & Luna 14:58 Grok 4.7 38:47 Jev explained 52:48 Why model routing fails 1:05:06 Opus 5.5 1:26:17 Pricing & usage limits 1:34:23 Building games with Opus 1:41:10 Porting TypeScript to Rust
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Theo - t3.gg [UNOFFICIAL] @theo-mirr.selfhosted.social · 01/10/2026
"Start thread with no project" New feature just dropped on the T3 Code nightly :)
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Theo - t3.gg [UNOFFICIAL] @theo-mirr.selfhosted.social · 01/10/2026
Millennial age gamers are about to become more pro AI than the average SF tech bro
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Theo - t3.gg [UNOFFICIAL] @theo-mirr.selfhosted.social · 30/09/2026
Wait what
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Retweeted by Theo - t3.gg [UNOFFICIAL] @theo-mir-rt.selfhosted.social · 30/09/2026
RT @daradoescode: How it feels talking to anyone outside of twitter
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Theo - t3.gg [UNOFFICIAL] @theo-mirr.selfhosted.social · 30/09/2026
Crazy how every single thing OpenAI (allegedly) gets wrong is actually my fault
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Theo - t3.gg [UNOFFICIAL] @theo-mirr.selfhosted.social · 30/09/2026
Finally home. What did I miss today?
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Theo - t3.gg [UNOFFICIAL] @theo-mirr.selfhosted.social · 30/09/2026
I'm sorry I just don't see the similarity here at all
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Theo - t3.gg [UNOFFICIAL] @theo-mirr.selfhosted.social · 29/09/2026
Updated run just finished. GPT-6.1 Sol still crushes. Turns out it performs WAY better in Codex than in mini-swe (what Artificial Analysis uses)
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Theo - t3.gg [UNOFFICIAL] @theo-mirr.selfhosted.social · 29/09/2026
I’m now at Dev Day btw
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Theo - t3.gg [UNOFFICIAL] @theo-mirr.selfhosted.social · 29/09/2026
Feels like a good time to remind y'all of this. 6.1 Sol isn't smarter than Astra, but it's definitely less dumb
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Retweeted by Theo - t3.gg [UNOFFICIAL] @theo-mir-rt.selfhosted.social · 29/09/2026
RT @t3dotcodes: sam altman, theo and i agree here
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Theo - t3.gg [UNOFFICIAL] @theo-mirr.selfhosted.social · 29/09/2026
ChatGPT still uses 5.6 Sol?
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Retweeted by Theo - t3.gg [UNOFFICIAL] @theo-mir-rt.selfhosted.social · 29/09/2026
RT @jullerino: ayee we live. would have been faster if github would allow private branches on public repos 😭 but the blacksmith runnners worked overtime after the embargo was lifted! thanks to the OpenAI team for letting us be part of this and implemented changes for the feedback we gave them!
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Theo - t3.gg [UNOFFICIAL] @theo-mirr.selfhosted.social · 29/09/2026
My resets carried over :')
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Retweeted by Theo - t3.gg [UNOFFICIAL] @theo-mir-rt.selfhosted.social · 29/09/2026
RT @t3dotcodes: getting started with T3 Code has never been easier, excited to be a launch partner of Sign in with ChatGPT! install t3 code, sign in to your ChatGPT accounts (yes… plural, t3 code supports multiple accounts), and send your first prompt. no external dependencies required.
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Theo - t3.gg [UNOFFICIAL] @theo-mirr.selfhosted.social · 29/09/2026
I upgraded to the $500 plan. Will report back on how it is in terms of usage, esp. with ultrafast
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Theo - t3.gg [UNOFFICIAL] @theo-mirr.selfhosted.social · 29/09/2026
"why do people take Theo seriously? he flip flops constantly between OpenAI and Anthropic" Never understood this type of question. I use the best technology available to me at any given time. Switching cost is near 0. Why should I keep using worse stuff?
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Theo - t3.gg [UNOFFICIAL] @theo-mirr.selfhosted.social · 29/09/2026
Artificial Analysis numbers are in! GPT-6.1 Sol is performing at around Opus 5.5 Medium levels for under a third the price. Not bad at all, but still more hyped for 6.1 Astra to catch them up 👀
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Retweeted by Theo - t3.gg [UNOFFICIAL] @theo-mir-rt.selfhosted.social · 29/09/2026
RT @dkundel: Sign in with Chat incl. token sharing and custom limits the apps that you use 🫶
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Theo - t3.gg [UNOFFICIAL] @theo-mirr.selfhosted.social · 29/09/2026
I'll say the quiet part out loud: GPT-6.1 Sol was not meant to be this cheap. Clearly they cut the price a ton to fight back. Likely also the reason they cut the "dollar amount" for the plan limits, since they cut into their margins so hard with this model
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Theo - t3.gg [UNOFFICIAL] @theo-mirr.selfhosted.social · 29/09/2026
Making steady progress on ts-rust 🫡 I feel obligated to say that I threw GPT-6.1 Sol at this for a few days and it ran in circles and made no progress 🙃
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Theo - t3.gg [UNOFFICIAL] @theo-mirr.selfhosted.social · 29/09/2026
When I made this video, there were no benchmarks yet, so I had to run them myself. Jaw dropped when I saw the Terminal Bench 4 scores. Performance better than Opus 5.5 for ~1/30th of the price 🤯
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Retweeted by Theo - t3.gg [UNOFFICIAL] @theo-mir-rt.selfhosted.social · 29/09/2026
RT @r_marked: This is still a little surreal.
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Retweeted by Theo - t3.gg [UNOFFICIAL] @theo-mir-rt.selfhosted.social · 29/09/2026
RT @t3dotcodes: openai ceo ATTACKED by rabid anthropic fanboy live on stage
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Theo - t3.gg [UNOFFICIAL] @theo-mirr.selfhosted.social · 29/09/2026
Sol 6.1 is a great model and an incredible value. Is it as good as Opus 5.5?
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Theo - t3.gg [UNOFFICIAL] @theo-mirr.selfhosted.social · 29/09/2026
BREAKING:
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Tibo [UNOFFICIAL] @thsottiaux-mirr.selfhosted.social · 29/09/2026
And then I ran to Theo and whispered in his right ear “wake up Theo, it’s DevDay today”
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Theo - t3.gg [UNOFFICIAL] @theo-mirr.selfhosted.social · 29/09/2026
Are y'all REALLY making me defend Anthropic again? They made $4.6 billion in all of 2025. They made $11.5 billion from April to June 2026. Their run rate was last reported at $65 billion. That's almost 15x in under a year.
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Theo - t3.gg [UNOFFICIAL] @theo-mirr.selfhosted.social · 29/09/2026
I just finished recording for the day. I have been working since 11am. It is now 3am. I should probably sleep, huh.
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Retweeted by Theo - t3.gg [UNOFFICIAL] @theo-mir-rt.selfhosted.social · 29/09/2026
RT @codewithantonio: i cannot believe this website is free
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Theo - t3.gg [UNOFFICIAL] @theo-mirr.selfhosted.social · 29/09/2026
> Compute and infrastructure spending: $7.33B We're still so early.
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Theo - t3.gg [UNOFFICIAL] @theo-mirr.selfhosted.social · 29/09/2026
btw I got a 6th Claude sub
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Tibo [UNOFFICIAL] @thsottiaux-mirr.selfhosted.social · 29/09/2026
That was yesterday, today is DevDay. And it's all good news. I'm surprised we've kept it all under wraps.
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Theo - t3.gg [UNOFFICIAL] @theo-mirr.selfhosted.social · 29/09/2026
TIL that model nerfs are real and they're actually my fault? Incredible.
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Theo - t3.gg [UNOFFICIAL] @theo-mirr.selfhosted.social · 29/09/2026
Sonnet 5.5 is an incredible model. You probably shouldn't use it. Here's a video explaining why. x.com/theo/status/21048372759140028…
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Theo - t3.gg [UNOFFICIAL] @theo-mirr.selfhosted.social · 29/09/2026
"if you do the math, it will net out at half the dollar in API spend compared to the old Pro $200 plan." Ooooof. Mad respect for the transparency here but this hurts a lot
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Theo - t3.gg [UNOFFICIAL] @theo-mirr.selfhosted.social · 29/09/2026
I can confidently say I'm more qualified in these matters than the other CEOs who were tagged
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Theo - t3.gg [UNOFFICIAL] @theo-mirr.selfhosted.social · 29/09/2026
Increasingly thankful for Supabase. Their incredibly insecure defaults make data collection so easy :)
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Theo - t3.gg [UNOFFICIAL] @theo-mirr.selfhosted.social · 29/09/2026
If this was real it would say "corgi" somewhere on it
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Theo - t3.gg [UNOFFICIAL] @theo-mirr.selfhosted.social · 28/09/2026
Opus 5.5, Grok 4.7, GPT-6 Sol, GPT-6 Astra and Sonnet 5.5 all dropped within a week. So much for "pacing the frontier", huh? ...what if I told you this is exactly what pacing looks like? I made a video about it :)
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Theo - t3.gg [UNOFFICIAL] @theo-mirr.selfhosted.social · 28/09/2026
A $200 Claude Code sub gets you ~$9,000 of Opus usage per month. I have managed to run 3 Claude accounts down to 0% since Opus 5.5 dropped. When analyzing their usage, costs were $2,086, $2,442, and $2,182. Average is $2,200/week, so ~$9,000/month
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Retweeted by Theo - t3.gg [UNOFFICIAL] @theo-mir-rt.selfhosted.social · 28/09/2026
RT @0xSero: Theo and Co can cook a beautiful and useful UI
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Retweeted by Theo - t3.gg [UNOFFICIAL] @theo-mir-rt.selfhosted.social · 28/09/2026
RT @chasmmmmmmmmmmm: AI HACKERS HAVE PUT SKATEBOARDING IN CALL OF DUTY MODERN WARFARE 2! 🚨 THIS HAS GONE TOO FAR. ITS TIME TO PACE THE FRONTIER. @DarioAmodei @sama @elonmusk @theo
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Theo - t3.gg [UNOFFICIAL] @theo-mirr.selfhosted.social · 28/09/2026
Anthropic got REALLY good at post training really fast huh
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