Files
discourse-ai/lib/embeddings/vector_representations/text_embedding_3_large.rb
T
Sam b2b01185f2 FEATURE: add support for new OpenAI embedding models (#445)
* FEATURE: add support for new OpenAI embedding models

This adds support for just released text_embedding_3_small and large

Note, we have not yet implemented truncation support which is a
new API feature. (triggered using dimensions)

* Tiny side fix, recalc bots when ai is enabled or disabled

* FIX: downsample to 2000 items per vector which is a pgvector limitation
2024-01-29 13:24:30 -03:00

54 lines
1.0 KiB
Ruby

# frozen_string_literal: true
module DiscourseAi
module Embeddings
module VectorRepresentations
class TextEmbedding3Large < Base
def id
7
end
def version
1
end
def name
"text-embedding-3-large"
end
def dimensions
# real dimentions are 3072, but we only support up to 2000 in the
# indexes, so we downsample to 2000 via API
2000
end
def max_sequence_length
8191
end
def pg_function
"<=>"
end
def pg_index_type
"vector_cosine_ops"
end
def vector_from(text)
response =
DiscourseAi::Inference::OpenAiEmbeddings.perform!(
text,
model: name,
dimensions: dimensions,
)
response[:data].first[:embedding]
end
def tokenizer
DiscourseAi::Tokenizer::OpenAiTokenizer
end
end
end
end
end