langgraph vs olmocr
Side-by-side comparison of two AI agent tools
langgraphopen-source
Build resilient language agents as graphs.
olmocropen-source
Toolkit for linearizing PDFs for LLM datasets/training
Metrics
| langgraph | olmocr | |
|---|---|---|
| Stars | 28.0k | 17.1k |
| Star velocity /mo | 2.5k | 105 |
| Commits (90d) | — | — |
| Releases (6m) | 10 | 10 |
| Overall score | 0.8081963872278098 | 0.6922529367876357 |
Pros
- +Durable execution ensures agents automatically resume from exactly where they left off after failures or interruptions
- +Comprehensive memory system with both short-term working memory for ongoing reasoning and long-term persistent memory across sessions
- +Seamless human-in-the-loop capabilities allow for inspection and modification of agent state at any point during execution
- +Excellent handling of complex document layouts including equations, tables, handwriting, and multi-column formats with natural reading order preservation
- +Cost-effective processing at under $200 per million pages, making it economical for large-scale dataset creation
- +Continuous model improvements with recent releases showing significant performance gains and reduced hallucinations on blank documents
Cons
- -Low-level framework requires more technical expertise and setup compared to high-level agent builders
- -Graph-based agent design paradigm may have a steeper learning curve for developers new to agent orchestration
- -Production deployment complexity may be overkill for simple chatbot or single-turn use cases
- -Requires GPU resources due to 7B parameter model, making it computationally intensive and potentially expensive to run
- -May require multiple retries for some documents to achieve optimal results
- -Limited to image-based document formats (PDF, PNG, JPEG) and requires technical expertise for setup and optimization
Use Cases
- •Long-running autonomous agents that need to persist through system failures and operate over days or weeks
- •Complex multi-step workflows requiring human oversight, approval, or intervention at specific decision points
- •Stateful agents that must maintain context and memory across multiple sessions and interactions
- •Converting academic papers and research documents with complex equations and figures for LLM training datasets
- •Processing legacy document archives with multi-column layouts and mixed content types into searchable text format
- •Creating high-quality training data from technical manuals, textbooks, and scientific publications for domain-specific language models