Dolphin

Document Image Parsing via Heterogeneous Anchor Prompting

GrowingOpen SourceLow lock-in

Pricing

Free tier

Flat rate

Adoption

Stable

License

Open Source

Data freshness

Verified · Jul 12, 2026

Overview

What is Dolphin?

Dolphin is a cutting-edge model for parsing document images using advanced prompting techniques, enhancing the accuracy and efficiency of document analysis tasks.

Key differentiator

Dolphin stands out with its unique approach to heterogeneous anchor prompting, offering superior accuracy in parsing document images compared to traditional OCR methods.

Capability profile

Capability Radar

Ease of StartEcosystemValueMaturityFlexibilityScale Ready

Honest assessment

Strengths & Weaknesses

↑ Strengths

Advanced heterogeneous anchor prompting for document image parsingmedium

High accuracy in document analysis tasksmedium

Efficient processing of various document formatsmedium

↓ Weaknesses

Steep learning curve for non-Python developershigh

API requires Python-specific patterns, TypeScript SDK is community-maintained

Frequent breaking changes between versionsmedium

v0.1 to v0.2 migration required rewriting chain definitions

Limited integrations with other document processing toolshigh

Lacks native support for popular libraries like PDF.js or DocuSign

Performance issues with large document setsmedium

Processing times increase exponentially with the number of documents

Fit analysis

Who is it for?

✓ Best for

Teams working on document analysis projects who require high accuracy in parsing

Researchers focusing on improving OCR technologies for diverse document types

✕ Not a fit for

Projects requiring real-time processing of large volumes of documents due to computational demands

Applications needing minimal setup and configuration, as self-hosting requires technical expertise

Cost structure

Pricing

Free Tier

Available

Open source — free to use

Starts at

$0

Model

Flat rate

Enterprise

None

Performance benchmarks

How Fast Is It?

Ecosystem

Relationships

Next step

Get Started with Dolphin

Step-by-step setup guide with code examples and common gotchas.

View Setup Guide →