Florence-2-large
by microsoft
Foundation model for unified vision tasks with sequence-to-sequence architecture
microsoft/Florence-2-largemixpeek://image_extractor@v1/microsoft_florence2_large_v1Overview
Florence-2 is a versatile vision foundation model that handles captioning, object detection, grounding, and OCR in a single unified architecture using a sequence-to-sequence paradigm. It processes images and task-specific text prompts to produce structured outputs.
On Mixpeek, Florence-2 provides detailed scene descriptions that go beyond simple captions, including spatial relationships, object attributes, and contextual information.
Architecture
DaViT vision encoder paired with a transformer-based sequence-to-sequence decoder. Supports multiple vision tasks via task-specific prompt tokens. Large variant uses 770M parameters.
Mixpeek SDK Integration
// No extractor parameter takes a Hugging Face model id (checked against
// GET /v1/discovery/extractors, which returns 13), so Florence-2-large runs
// on your side and the output is upserted through POST
// /v1/namespaces/{namespace_id}/documents/upsert. On Enterprise the other
// path is to upload the weights instead: POST /v1/namespaces/{id}/models
// accepts the huggingface format and a custom plugin loads them.
const res = await fetch(
"https://api.mixpeek.com/v1/namespaces/ns_your_namespace/documents/upsert",
{
method: "POST",
headers: {
Authorization: "Bearer API_KEY",
"Content-Type": "application/json",
},
body: JSON.stringify({
collection_id: "col_your_collection",
documents: [
{
document_id: "asset-00412",
// The model produces text, so it lands in payload. Give the
// collection a text vector index and embed that text to make it
// searchable rather than only filterable.
payload: { extracted_text: modelOutput, source_key: "archive/2026/asset-00412" },
vectors: { "multimodal-embedding": embeddingOfModelOutput },
},
],
}),
},
);
// Managed alternative, if this exact model is not the requirement:
// universal_extractor@v1 runs google/gemini-embedding-2
// (3072-d) over a bucket, with no inference of your own.Capabilities
- Dense captioning with region descriptions
- Referring expression comprehension
- Object detection and visual grounding
- OCR with text localization
Use Cases on Mixpeek
Benchmarks
| Dataset | Metric | Score | Source |
|---|---|---|---|
| COCO Captioning | CIDEr | 140.0 | Xiao et al., 2024: Table 2 |
| RefCOCO (val) | Accuracy | 92.6% | Xiao et al., 2024: Table 5 |
| TextVQA (val) | Accuracy | 78.0% | Xiao et al., 2024: Table 4 |
Performance
Common Pipeline Companions
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Specification
Research Paper
Florence-2: Advancing a Unified Representation for a Variety of Vision Tasks
arxiv.orgBuild a pipeline with Florence-2-large
Add this model to a processing pipeline alongside other extractors. Combine with retrieval stages for end-to-end search.
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