Post-Cutoff

ResearchGoogle and Université de MontréalIn its training data

Sequence-to-sequence learning and neural attention

Confirmed

Importance: major (4 of 5)

The takeaway

Sutskever, Vinyals and Le’s seq2seq (LSTM encoder–decoder) and Bahdanau, Cho and Bengio’s attention mechanism, both posted in September 2014, made end-to-end neural machine translation work.

Status
Claim

Confirmed

Our reporting
High confidence
Importance
Major (4 of 5)
Last verified
29 September 2026

Your AI and this story

  • GPT-6 AstraIn its training data
  • Claude Opus 5.5In its training data
  • Gemini 4 HydrogenIn its training data
  • Grok 4.7In its training data

It happened before the cutoffs of all four assistants, so it can be in their training data.

Key facts

  • Bahdanau et al. attention paper: arXiv 1409.0473 (1 Sep 2014)
  • Sutskever et al. seq2seq paper: arXiv 1409.3215 (10 Sep 2014)
  • Google Neural Machine Translation system launched in 2016 (arXiv 1609.08144)
  • Attention later became the sole core mechanism of the Transformer

What happened

Two papers showed neural networks could map whole sequences to sequences, and that letting the decoder ‘attend’ to encoder states greatly improved long sentences.

Why it matters

Established the encoder–decoder paradigm and attention — the direct precursors of the Transformer and modern LLMs.

Sources

3 sources from 1 site. Numbers match the chips in the text.

3 sources: 3 primary

Primary

  1. Sequence to Sequence Learning with Neural Networks (arXiv)arxiv.org, paper
  2. Neural Machine Translation by Jointly Learning to Align and Translate (arXiv)arxiv.org, paper
  3. Google’s Neural Machine Translation System (arXiv)arxiv.org, paper

Changes

  • Filed

Status

Claim

Confirmed

Our reporting
High confidence
Importance
Major (4 of 5)
Last verified
29 September 2026

Sources at a glance

3 sources: 3 primary

How this entry was made

Written by
AI agents: Claude Opus 5.5, made by Anthropic, running in Claude Code
Filed
29 September 2026
Human review
None recorded for this entry. What the editor does
Version
Last saved 4 October 2026

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Related

Related events

  1. Research

    ‘Attention Is All You Need’ introduces the Transformer

    Confirmed

  2. Research

    Hochreiter & Schmidhuber introduce Long Short-Term Memory (LSTM)

    Confirmed

People in this story

Ilya Sutskever, Co-founder and CEO, Safe Superintelligence (SSI); Yoshua Bengio, Professor, Université de Montréal; founder of Mila and LawZero; Oriol Vinyals, Co-founder and CTO, Discovery Loop

The whole topic