OpenAI text-embedding-3-large

EmbeddingsSaadaval
OpenAI pooltMudeli ID: text-embedding-3-large

OpenAI's highest-quality embedding model. Returns 3072-dim vectors by default and supports reducing dimensions via the dimensions parameter. Outperforms text-embedding-3-small and the older ada-002 on MTEB and multilingual MIRACL retrieval benchmarks, for cases where accuracy matters more than cost.

Hind
0,156 $/1M sis
Kontekst
8191 tokenit
Sisend → vĂ€ljund
Tekst → Vektor
Arendaja
OpenAI
Uuendatud
23. september 2026
01

Playground

Proovi OpenAI text-embedding-3-large

Sisend ja vÀljund

0,156 $/1M sis
Proovi OpenAI text-embedding-3-large

0 / 32 000

KĂ€ivitab mudeli kaks korda (arveldatakse kaks korda).

Tulemus
Vektor ilmub siia.

See kÀivitus

Hind ilmub, kui sisend on tÀielik.

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10 tasuta krediiti (0,10 $), kui registreeritud Google'iga

Kasutatav 24 tundi pÀrast registreerimist, kuni 5 kÀivitust pÀevas ja maksimaalselt 2 krediiti kÀivituse kohta. Muud sisselogimismeetodid algavad ilma krediitideta.

02

Teave: OpenAI text-embedding-3-large

LĂŒhidaltSeisuga 23. september 2026

OpenAI text-embedding-3-large on mudel, mille on vÀlja töötanud OpenAI kategoorias Embeddings. Railwail'is maksab OpenAI text-embedding-3-large 0,156 $ / 1M sisendtokenit. Konteksti aken sisaldab 8191 mÀrksÔna.

text-embedding-3-large is OpenAI's most capable third-generation embedding model. It produces 3072-dim embeddings by default and, like the small variant, supports the dimensions parameter for Matryoshka-style truncation so you can store shorter vectors when needed. It leads OpenAI's lineup on the MTEB English benchmark and on the multilingual MIRACL retrieval benchmark, making it the pick when embedding quality is the priority over price. Use it for high-recall semantic search, deduplication and reranking-style retrieval. Accepts a single string or a batch per request.

Taust

Teave OpenAI kohta

Asutatud 2015 · San Francisco, California, USA

OpenAI was founded in December 2015 by Sam Altman, Elon Musk, Greg Brockman, Ilya Sutskever, Wojciech Zaremba and John Schulman, and restructured to capped-profit OpenAI LP in 2019. The embedding model family started with text-embedding-ada-001 in 2021, was unified into text-embedding-ada-002 in December 2022 (still the most-used embedding model on Earth at one point) and replaced in January 2024 by text-embedding-3-small and text-embedding-3-large. The v3 release was OpenAI's first to support Matryoshka-style dimension reduction (sale of arbitrary 256-3072 dim vectors from the same model) and beat ada-002 by 20+ percentage points on the MIRACL multilingual retrieval benchmark while costing roughly the same.

KĂŒlasta OpenAI

Arhitektuur

Transformer bi-encoder with Matryoshka representation learning

OpenAI text-embedding-3-large is the flagship embedding model in the v3 generation. It produces 3,072-dimensional vectors by default with full Matryoshka representation support, so callers can request any dimension between 256 and 3,072 in the API and OpenAI will truncate-and-renormalise without re-running the model. The model accepts up to 8,191 tokens per input and was trained with a contrastive retrieval objective on a curated multilingual web corpus, including search-query/document pairs and large-scale instruction-tuned pairs. It scores 64.6% on MTEB and 54.9% on MIRACL multilingual retrieval, a step up from 61.0% / 31.4% for ada-002. Pricing is $0.00013 per 1k tokens. Output vectors are L2-normalised. Like all OpenAI models the system is closed-source and hosted only. OpenAI has not published a technical paper for the v3 family beyond a launch blog.

Parameetrid
Undisclosed
Kontekst
8191 tokenit

VÔimalused

  • 3,072-dim vectors with Matryoshka truncation to any 256-3072 size
  • 8,191-token context window for long-document embedding
  • Multilingual coverage across 100+ languages
  • State-of-the-art MIRACL multilingual retrieval (~55%)
  • L2-normalised vectors with cosine similarity
  • Drop-in upgrade from ada-002 via the same /embeddings endpoint
  • Best for: production RAG, multilingual search, retrieval-heavy SaaS

Treening ja litsents

Not disclosed. OpenAI describes a 'curated multilingual web corpus' with search-query/document pairs and instruction-tuned pairs.

Litsents: Proprietary commercial API. Generated embeddings may be stored and used commercially under the OpenAI Usage Policy.

Turvalisuse testimine: Embeddings are not subject to content-filter constraints; OpenAI publishes general bias and fairness statements for the embeddings endpoint.

Teadaolevad piirangud

  • Closed weights, hosted only
  • Cannot fine-tune the model
  • 3,072-dim full vectors are storage-heavy without truncation
  • Worse-than-Cohere v3 on some low-resource languages
  • 8,191-token cap may force chunking for very long documents
03

Hinnad

Hinnad USA dollarites. Kasutamine arvestatakse eelmakstud krediitidest.
Sisend0,156 $ / 1M tokenit
  • Arvestatakse tokened, mida iga pĂ€ring tegelikult kasutab.
  • 1 krediit = 0,01 $

Kulukalkulaator

Hinna kalkulaator

/ pÀring
/ pÀring

Kokku

0,02 $

2 krediiti

PĂ€ringute kohta

0,0002 $ · 0,02 krediiti

Iga pĂ€ring ĂŒmardatakse 0,01 krediidini.

04

API

Kutsu OpenAI text-embedding-3-large oma Railwail API vÔtmega. Kasuta selles pÀringus seda mudeli ID-d:
curl https://railwail.com/api/v1/embeddings \
  -H "Authorization: Bearer $RAILWAIL_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "text-embedding-3-large",
    "input": "The quick brown fox"
  }'
MÀÀra oma vÔti kui RAILWAIL_API_KEYLoo API-vÔti
05

Spetsifikatsioonid

Mudeli ID
text-embedding-3-large
Arendaja
OpenAI
Kategooria
Embeddings
Sisend
Tekst
VĂ€ljund
Vektor
Konteksti aken
8191 tokenit
Arveldamine
Kasutuse jÀrgi (tokenid vÔi GPU-aeg)
Mudeli suurus
Undisclosed
Litsents
Proprietary commercial API. Generated embeddings may be stored and used commercially under the OpenAI Usage Policy.
Kataloogi kirje uuendatud
23. september 2026

Sisendparameetrid

Mudeli sisendiskeemi sisendid ja seaded. API nÀide jaotises API nÀitab, milliseid neist API aktsepteerib.

  • inputnĂ”utav

    Text to embed (single string or array of strings)

    TĂŒĂŒp: Tekst
    Vaikimisi: –
    Lubatud vÀÀrtused: kuni 32 000 tÀhemÀrki
  • dimensions
    TĂŒĂŒp: TĂ€isarv
    Vaikimisi: 3072
    Lubatud vÀÀrtused: 256 kuni 3072
  • encoding_format
    TĂŒĂŒp: Valik
    Vaikimisi: float
    Lubatud vÀÀrtused: float vÔi base64

Sildid

  • openai
  • embedding
  • retrieval
  • rag
  • matryoshka
  • multilingual
06

NĂ€ite-prompid

NĂ€ited Railwail kataloogist. Neid ei loodud otse sellel lehel.
  • FAQ Matching

    How do I reset my password?
  • Code Search

    React useEffect cleanup function memory leak
07

Kasutamise juhtumid

Milleks seda kasutatakse

  • Production RAG for ChatGPT-style assistants
  • Multilingual enterprise search
  • Semantic deduplication and clustering at scale
  • Recommendation systems based on text similarity
  • Embeddings for downstream classification tasks
08

Korduma kippuvad kĂŒsimused

Mis on OpenAI text-embedding-3-large?

OpenAI text-embedding-3-large on mudel, mille töötas vÀlja OpenAI kategoorias Embeddings. Railwail'is saad seda kutsuda API vÔtme abil Railwail API kaudu.

Kui palju maksab OpenAI text-embedding-3-large Railwail'is?

Railwail'is maksab OpenAI text-embedding-3-large 0,156 $ / 1M sisendtokenit. Sulle arvestatakse see, mida iga pÀring tegelikult kasutab. Kasutamine makstakse eelnevalt ostetud krediitidest; 1 krediit vÔrdub 0,01 $.

Kui suur on OpenAI text-embedding-3-large konteksti aken?

OpenAI text-embedding-3-large konteksti aken sisaldab 8191 mÀrksÔna.

Kui kiire on OpenAI text-embedding-3-large?

OpenAI text-embedding-3-large kohta ei ole Railwail'is veel piisavalt mÔÔdetud kÀivitusi, et kÀivitusaega vÀita. See sÔltub sisendist, seadistustest ja pakkuja koormusest.

Kas OpenAI text-embedding-3-large on parem kui OpenAI text-embedding-3-small?

See sĂ”ltub ĂŒlesandest. OpenAI text-embedding-3-large (OpenAI) ja OpenAI text-embedding-3-small (OpenAI) on mĂ”lemad mudelid kategoorias Embeddings. VĂ”rdlusleht nĂ€itab nende hindu ja spetsifikatsioone kĂ”rvuti.

VÔrdle OpenAI text-embedding-3-large ja OpenAI text-embedding-3-small

Kuidas kasutada OpenAI text-embedding-3-large API kaudu?

Loo Railwail API vÔti ja saada oma pÀring mudeli ID-ga text-embedding-3-large. KoodinÀited curl'i, Pythoni ja JavaScripti jaoks on selle lehe API jaotises.

09

VÔrreldavad mudelid

KÔik selles kategoorias

Kasuta OpenAI text-embedding-3-large API kaudu

Üks API vĂ”ti kĂ”igile Railwail mudelitele. Kasutamine arvestatakse eelmakstud krediitidest, 1 krediit = 0,01 $.