Assertion Supported AI assessment confidence: 95% certainty 5/5 debate potential 3/5

Nussbaum: Nomic Embed is first open long-context embedder beating OpenAI Ada

Zach Nussbaum · How Nomic AI Is Driving The Open Source Revolution · Feb 1, 2024 · at 22:06

Zach Nussbaum, ML Engineer at Nomic AI, introduces Nomic Embed during an interview on The MAD Podcast.

0:00 / 0:12exact quote · 12.5s

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“So we're launching Gnomec Embed is the first open source reproducible long context text embedder that beats OpenAI ADA as well.”

quote is from the automated transcript, cleaned for reading: filler sounds and stutters are removed, nothing is rephrased. names can be misheard (the analysis reads context, assessments check outside sources). how →

The claim, plainly

Nomic AI is launching Nomic Embed as the first open-source, reproducible long-context text embedder that outperforms OpenAI's Ada model.

a quote alone can be ambiguous, so this restates it with the references and context of the conversation around it resolved. AI-written; the tape below the player is the source.

Assessment

Nomic AI released `nomic-embed-text-v1` on February 1, 2024, fully fulfilling all criteria. The model was released with open weights under the Apache 2.0 license, alongside full training and evaluation code (`nomic-ai/contrastors`), and open training data (235 million text pairs). It supports an 8,192 token context length and outperforms OpenAI's `text-embedding-ada-002` on major benchmark evaluations including general MTEB (62.39 vs. 60.99) and the LoCo long-context benchmark (85.53 vs. 52.70).

Released on Feb 1, 2024 under Apache 2.0 license with open weights on Hugging Face and code/data pipelines on GitHub.
Released with full open training dataset of 235 million text pairs for complete reproducibility.
MTEB score of 62.39 beats OpenAI text-embedding-ada-002's score of 60.99.
LoCo Long-Context benchmark score of 85.53 beats OpenAI text-embedding-ada-002's score of 52.70.

Checked against

[1] nomic.ai [2] arxiv.org [3] huggingface.co [4] openreview.net [5] nomic.ai [6] github.com

Nomic Embed training code data weights HuggingFace GitHub Nomic Embed release date open source text embedding ada 002 MTEB

assessed as of 2026-07-30

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Mentioned

Nomic Embed OpenAI

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