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Agentset
✓ verifiedFreemium
Open-source RAG infrastructure with SDKs and an API for developers to build accurate, cited AI chat and search on their own data.
24K visits/mo
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Readable
✓ verifiedPaid
Instant English-to-Japanese PDF translation preserving layout; useful focused tool.
87K visits/mo177 saves
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WorkbookPDF
✓ verifiedPaid
Generates personalized, printable language-learning workbooks with exercises matched to a learner's level and interests.
21K visits/mo
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PromptLayer
✓ verifiedFree
Prompt engineering, management, and LLM observability platform.
212K visits/mo
Pricing
Free: $0 (1,000 pages, 10,000 retrievals)
Pro: $49/mo (10,000 pages, unlimited retrievals)
Pro Standard (Yearly): 800 /month
Pro Premium (Yearly): 4,000 /month
for Business: Contact for Pricing
7-Day Pass: $19 one-time (unlimited workbooks for 7 days)
30-Day Pass: $29 one-time (unlimited workbooks for 30 days)
180-Day Pass: $99 one-time (unlimited workbooks for 180 days)
No public pricing
No public pricing
Core features
- ✦Managed RAG pipeline (extraction, chunking, retrieval)
- ✦Automatic source citations
- ✦Multimodal support (images, tables, graphs)
- ✦Model-agnostic: choose vector DB, embeddings, LLM
- ✦Metadata filtering
- ✦MCP server and AI SDK integration
- ✦22+ file-format ingestion
- ✦Instant PDF translation
- ✦Layout preservation
- ✦Side-by-side English and Japanese viewing
- ✦Chrome extension for one-click translation
- ✦Translation without DeepL subscription (optional)
- ✦Personalized exercises based on chosen topics and interests
- ✦Difficulty levels from A1 (beginner) to C2 (advanced)
- ✦Support for 23 languages
- ✦Multiple exercise types including fill-in-the-blank, translation and word matching
- ✦Illustrated, printable PDF output with answer keys
- ✦Unlimited workbook creation during an active pass
- ✦Optional commercial-rights add-on for resale to students
- ✦Prompt management
- ✦Prompt evaluations
- ✦LLM observability
- ✦Team collaboration
- ✦Version control for prompts
- ✦A/B testing of prompts
- ✦Prompt Registry
- ✦Historical backtests
- ✦Regression tests
- ✦Usage monitoring
- ✦Lifelike voice AI agents
- ✦24/7 availability
- ✦Customer-led conversational platform
- ✦Integration with enterprise systems
Use cases
- →Build a chatbot over private documents
- →Add semantic or deep search to an app
- →Ground answers in a large corpus with citations
- →Ship production RAG without building it in-house
- →Translating English research papers into Japanese
- →Translating technical specifications from English to Japanese
- →Quickly understanding English documents in Japanese
- →Independent learners wanting topic-specific practice material
- →Language tutors creating custom worksheets for students
- →Teachers needing printable classroom exercises
- →Hobbyists learning a language tied to personal interests
- →Scaling customer support automation with LLMs
- →Empowering non-technical teams with prompt engineering
- →Building personalized AI interactions
- →Debugging LLM agents
- →Improving content creation processes
- →Managing and monitoring prompts with a team
- →Answering customer service calls
- →Providing information and support
- →Resolving customer issues
- →Automating call center operations
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