21st Agents SDK
Accelerate AI-powered product development with open-source tools and managed infrastructure.
VS
Cohere
Enterprise AI: Private, Secure, Customizable.
Popularity
21st Agents ...2,845
Cohere11,320
Pricing
Freemium21st Agent...
FreemiumCohere
Features
4
21st Agent...
vs
6
Cohere
Our verdict
Cohere is significantly more popular in terms of media coverage and engagement.
21st Agents SDK is more geared toward B2B users, while Cohere targets b2b.
Cohere offers an API for integration into your workflows.
Detailed comparison
Criteria
21st Agents SDK
Cohere
Pricing
Freemium
Freemium
Plans & pricing
—
Embed 4 Small: $2500/mo, Embed 4 Medium: $3250/mo, Rerank 3.5 Medium: $3250/mo, Enterprise: Custom
Free trial
—
Yes
Audience
B2B
b2b
Platforms
—
Web, Api, Cli, Private-cloud, On-premises
API
—
Yes
Open Source
—
Open Source
Integrations
—
Elasticsearch, Mongodb, Redis, Vespa, Chroma, Qdrant, Weaviate, Pinecone, Milvus, Zilliz, Opensearch, Amazonsagemaker, Amazonbedrock, Googlecloudvertexai, Azureai, Oraclecloudinfrastructure, Make, Langchain, Llamaindex, Reflex
Categories
Dev Tools, AI Agents
Data Science, Dev Tools
Popularity
Moderate
Very High
Description
The 21st Agents SDK provides open-source UI components and developer tools for building and deploying AI agents faster. It's designed for frontend engineers, designers, product teams, and founders building AI applications. The SDK offers built-in UI, chat history, spend limits, and observability, alongside managed infrastructure for auto-retries and graceful recovery, significantly simplifying development.
Cohere builds powerful AI models and solutions for enterprises to automate processes, empower employees, and transform fragmented data into actionable insights. Their platform emphasizes privacy, security, and customizability, offering advanced language models and retrieval capabilities for building and scaling AI applications.
Pricing
21st Agents SDK
Freemium
Cohere
Freemium
Plans & pricing
21st Agents SDK
—
Cohere
Embed 4 Small: $2500/mo, Embed 4 Medium: $3250/mo, Rerank 3.5 Medium: $3250/mo, Enterprise: Custom
Free trial
21st Agents SDK
—
Cohere
Yes
Audience
21st Agents SDK
B2B
Cohere
b2b
Platforms
21st Agents SDK
—
Cohere
Web, Api, Cli, Private-cloud, On-premises
API
21st Agents SDK
—
Cohere
Yes
Open Source
21st Agents SDK
—
Cohere
Open Source
Integrations
21st Agents SDK
—
Cohere
Elasticsearch, Mongodb, Redis, Vespa, Chroma, Qdrant, Weaviate, Pinecone, Milvus, Zilliz, Opensearch, Amazonsagemaker, Amazonbedrock, Googlecloudvertexai, Azureai, Oraclecloudinfrastructure, Make, Langchain, Llamaindex, Reflex
Categories
21st Agents SDK
Dev Tools, AI Agents
Cohere
Data Science, Dev Tools
Popularity
21st Agents SDK
Moderate
Cohere
Very High
Description
21st Agents SDK
The 21st Agents SDK provides open-source UI components and developer tools for building and deploying AI agents faster. It's designed for frontend engineers, designers, product teams, and founders building AI applications. The SDK offers built-in UI, chat history, spend limits, and observability, alongside managed infrastructure for auto-retries and graceful recovery, significantly simplifying development.
Cohere
Cohere builds powerful AI models and solutions for enterprises to automate processes, empower employees, and transform fragmented data into actionable insights. Their platform emphasizes privacy, security, and customizability, offering advanced language models and retrieval capabilities for building and scaling AI applications.
Features
21st Agents SDK
Built-in UI and chat history
Spend limits and sandbox execution with isolated VMs
Observability including session replay and traces
Supports Claude and OpenAI models with token-by-token streaming
Cohere
Compass: An intelligent search and discovery system to surface business insights
Command: A family of high-performance, scalable language models
Aya: A family of multilingual research models covering 70+ languages
Embed: A leading multimodal search and retrieval tool
Rerank: A powerful model that provides a semantic boost to search quality
Transcribe: A speech recognition model for generating highly accurate audio transcripts
Key differentiators
21st Agents SDK
Cohere
- Enterprise-focused AI
- Flexible deployment & data sovereignty
- Strong multilingual capabilities
- Optimized for business applications
- High-performing embedding & reranking
Other comparisons
FAQ: 21st Agents SDK vs Cohere
21st Agents SDK: Accelerate AI-powered product development with open-source tools and managed infrastructure.. Cohere: Enterprise AI: Private, Secure, Customizable.. Both tools take different approaches to address similar needs.
Both offer a free or freemium plan. 21st Agents SDK is freemium and Cohere is freemium.
The best choice between 21st Agents SDK and Cohere depends on your specific needs. Compare their features, pricing, and target audience on this page to find the tool that best fits your use case.
21st Agents SDK is primarily designed for businesses and professionals, while Cohere is built for individuals.
21st Agents SDK offers: Built-in UI and chat history, Spend limits and sandbox execution with isolated VMs, Observability including session replay and traces, Supports Claude and OpenAI models with token-by-token streaming. Cohere offers: Compass: An intelligent search and discovery system to surface business insights, Command: A family of high-performance, scalable language models, Aya: A family of multilingual research models covering 70+ languages, Embed: A leading multimodal search and retrieval tool.
Based on our data, Cohere currently enjoys greater popularity. However, popularity isn't the only factor — compare features to find the right tool for your needs.
Cohere offers a free trial, but 21st Agents SDK does not.
Cohere is open source, while 21st Agents SDK is proprietary. Open source tools offer more transparency and customization options.
Cohere offers 20 integrations (elasticsearch, mongodb, redis, vespa, chroma...) compared to 0 for 21st Agents SDK.