Andre Saraiva

133 posts

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Andre Saraiva

Andre Saraiva

@andresnds

o1-preview, o1-mini, o1, o3-mini,o4-mini, o3... Reasoning Researcher at OpenAI. Ex-DeepMind.

San Francisco Katılım Aralık 2010
140 Takip Edilen3.1K Takipçiler
Andre Saraiva retweetledi
OpenAI
OpenAI@OpenAI·
GPT-5.3 Instant also has fewer unnecessary refusals and preachy disclaimers.
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Andre Saraiva
Andre Saraiva@andresnds·
@MillionInt Thank you for all the support and for building an incredible team, JT. Will definitely miss you 🙏
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Jerry Tworek
Jerry Tworek@MillionInt·
This is the note I have shared with my team today:
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Mostafa Rohaninejad
Mostafa Rohaninejad@MostafaRohani·
1/n I’m really excited to share that our @OpenAI reasoning system got a perfect score of 12/12 during the 2025 ICPC World Finals, the premier collegiate programming competition where top university teams from around the world solve complex algorithmic problems. This would have placed it first among all human participants. 🥇🥇
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Andre Saraiva
Andre Saraiva@andresnds·
Just 2 years ago this line of work could barely pass easy CF tasks. Today our models reach IOI gold level on the official AI track, first among AI entrants. Long project with @ahelkky @_lorenzkuhn @alexwei_ @bminaiev @oleg_murk @MostafaRohani @clavera_i. See @SherylHsu02 thread.
Sheryl Hsu@SherylHsu02

1/n I’m thrilled to share that our @OpenAI reasoning system scored high enough to achieve gold 🥇🥇 in one of the world’s top programming competitions - the 2025 International Olympiad in Informatics (IOI) - placing first among AI participants! 👨‍💻👨‍💻

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Epoch AI
Epoch AI@EpochAIResearch·
A fourth problem on FrontierMath Tier 4 has been solved by AI! Written by Dan Romik, it had won our prize for the best submission in the number theory category.
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Nat McAleese
Nat McAleese@__nmca__·
I feel this may be helpful to some of you today:
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Alexander Wei
Alexander Wei@alexwei_·
1/N I’m excited to share that our latest @OpenAI experimental reasoning LLM has achieved a longstanding grand challenge in AI: gold medal-level performance on the world’s most prestigious math competition—the International Math Olympiad (IMO).
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Andre Saraiva
Andre Saraiva@andresnds·
1/N Yesterday in Tokyo we @OpenAI ran a 10‑hour live Humans vs AI exhibition at the AtCoder World Tour Finals Heuristic. We pointed an OpenAI reasoning model at the same brutal problem the finalists tackled—no human help, same rules, same clock. Buckle up. 👇
Andre Saraiva tweet mediaAndre Saraiva tweet media
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Lorenz Kuhn
Lorenz Kuhn@_lorenzkuhn·
It was thrilling to watch AI compete against some of the best human competitive programmers at AtCoder World Finals Heuristics yesterday. Check out @andresnds ‘s thread on how the AI solutions improved throughout the 10h contest. Congrats to @FakePsyho on 1st place!
Andre Saraiva@andresnds

1/N Yesterday in Tokyo we @OpenAI ran a 10‑hour live Humans vs AI exhibition at the AtCoder World Tour Finals Heuristic. We pointed an OpenAI reasoning model at the same brutal problem the finalists tackled—no human help, same rules, same clock. Buckle up. 👇

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