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So happy to finally announce this. There’s a lot of work still to do, but we don’t have to cut corners anymore. I can’t wait to show you the fruits of this, which will be sooner than you think.
Thank you to everyone who has supported us, argued in favor of open weights, and published their research transparently and openly. We wouldn’t be here without all three!
Today, we are announcing our Series B funding round, valuing the company at more than $1B.
This round accelerates our next-gen Trinity models across diverse infrastructure, expands our work with the DOE and national labs on Genesis-Science-1, and enables us to build the platform teams need to build, evaluate, deploy, and operate open models in production.
We are grateful to our team, partners, open-source community, and investors.
Led by @Vista_Equity, Cambium Capital, and @emergencecap, with participation from AI10 Ventures, @Hitachi, IAG, @M12vc, @p7ventures, and @Wipro.
Lucas Atkins retweeted
Fourth-and-1 at midfield today. Fourth-and-2 in the fourth quarter. We got stopped both times, and Florida scored a touchdown after each one.
Coach Sark,
I played for Texas. I was a team captain and an All-American on the Forty Acres. I love this program, so writing this hurts. I'm only doing it because I think one thing is holding us back, and I'd rather say it to you straight than keep yelling at my TV.
Please hand the play sheet to someone else.
You've done a lot for this place. Two straight playoff semifinals and an SEC title game in our first year. Texas matters again because of you, and I'm grateful. I'm not calling for your job. Not even close.
But look at the big moments. Ohio State in the Cotton Bowl, first-and-goal at the 1, and we walked away with nothing. Ohio State again last year, fourth-and-goal from inches, we stayed in a speed package and got stuffed. You said yourself you'd probably sub if you could do it over.
Last week against OU it was third-and-1 at our own 45 and we threw a little pass to the back that lost 2. Tied 24-24, two minutes left, fourth-and-2 at their 35, we sent out the kicker for a 53-yarder. Today you called the fourth-down run "not very good design."
I went back through the official play-by-play. In our two losses this year we converted 4 of 11 third and fourth downs with two yards or less to go.
That's not all on the line or the backs. Nobody is getting push right now. We're running for about 3.6 a carry. That's exactly why this offense needs a coach whose whole week is the offense. Your job never stops. Recruiting, the portal, NIL, a 100-plus man roster. That's a full-time job by itself.
History backs this up. The last head coach to win a national title calling his own offensive plays was Jimbo Fisher, in the 2013 season. No champion in the playoff era has done it. Ryan Day gave the calls to Chip Kelly in 2024 and won it all. You won a ring at Alabama calling plays for Coach Saban.
You already have Kyle Flood with the coordinator title. Let him call it, or bring in someone you trust. Then you get to be the head coach on fourth-and-1, seeing the whole field.
This is the school that ran the wishbone to titles in '69 and '70. Earl Campbell ran for 1,744 yards in '77. Ricky Williams left with 6,279. We know who we're supposed to be. And our defense is holding teams under 3 yards a carry. We can win with that.
After OU you said "not a chance" about giving up the calls. I'm asking you to think about it one more time. For the players.
Hook 'em.
Texas fans, if you agree, please repost and tag @CoachSark. #HookEm
Some are calling it the most sponsored open source party of all time. For good reason! Come join!
We're co-hosting Open Together with @huggingface this Friday in San Francisco! Doors open at 6PM, RSVP: luma.com/OpenTogether
See you guys there!
Trinity-Large-Thinking will be deprecated October 26.
Trinity was a milestone for us. Thank you to everyone who used it. We're preparing something new and will have more to share soon.
DeepSeek, Kimi, and GLM models remain available on the Arcee endpoint.
Banger
Over two weeks, Prime Agent orchestrated a swarm of over 2,000 agents to rewrite itself in Rust.
With 10,000+ sandboxes, 200B+ GLM-5.3 tokens, and 16,000 agent-to-agent messages, this was our largest test yet of Prime Agent’s multi-agent capabilities and our infrastructure powering these agent swarms.
Prime Agent now reaches usable input ~13× faster and uses 83% less startup memory than before.
Banger
according to my new scaling law analysis, we will see a new @samsja19 pr to the dion repo in a little over a month
Congratulations to the awesome team @datologyai! A lot of blood, sweat, tears and ingenuity went into making this possible and the results speak for themselves.
Lucas Atkins retweeted
it really is a special place. hard to find another team in the ai space as hyped as we are.
Generational technology if we want it to be.
“Owning your intelligence is owning your future.”
@latkins, CTO of @arcee_ai, on open weights and everything built on top of them.
Open Intelligence Summit keynote streams live Oct 13: do.co/4zo4nZS
RT @digitalocean: Arcee’s inference demand on Trinity Large Thinking went from 10B to 100B tokens a day overnight.
GPUs are scarce. We got…
Lucas Atkins retweeted
A sweet treat to get you through SF Tech Week.
Our SomiSomi pop-up is available all week. Be sure to check out flavors inspired by our friends at @MiniMax_AI, @arcee_ai, and @weaviate_io.

























