Ai2
Truly open breakthrough AI.
VS
LangSmith
AI Agent & LLM Observability Platform
Detailed comparison
Criteria
Ai2
LangSmith
Pricing
Free
Freemium
Plans & pricing
Semantic Scholar: Free, AutoDiscovery (AstaLabs) Trial: Free, Olmo 2 32B Instruct API: Custom, Olmo 3 7B Think API: Custom, Olmo 3 7B Instruct API: Custom, Olmo 3 32B Think API: Custom, Olmo 3.1 32B Think API: Custom, Olmo 3.1 32B Instruct API: Custom
Developer: Free, Team: $39/mo, Enterprise: Custom
Free trial
Yes
No
Audience
b2b
b2b
Platforms
Web
Web
API
Yes
Yes
Open Source
Open Source
Proprietary
Integrations
—
Pagerduty
Categories
Education, Research
Dev & Tech, information technology & services, Apps
Popularity
Very High
Very High
Description
Ai2, founded by Paul Allen and led by Ali Farhadi, is a non-profit research institute. It conducts high-impact research and engineering to tackle key ...
LangSmith is a complete AI agent and LLM observability platform. It offers tracing and real-time monitoring to help developers debug agents, find fail...
Pricing
Ai2
Free
LangSmith
Freemium
Plans & pricing
Ai2
Semantic Scholar: Free, AutoDiscovery (AstaLabs) Trial: Free, Olmo 2 32B Instruct API: Custom, Olmo 3 7B Think API: Custom, Olmo 3 7B Instruct API: Custom, Olmo 3 32B Think API: Custom, Olmo 3.1 32B Think API: Custom, Olmo 3.1 32B Instruct API: Custom
LangSmith
Developer: Free, Team: $39/mo, Enterprise: Custom
Free trial
Ai2
Yes
LangSmith
No
Audience
Ai2
b2b
LangSmith
b2b
Platforms
Ai2
Web
LangSmith
Web
API
Ai2
Yes
LangSmith
Yes
Open Source
Ai2
Open Source
LangSmith
Proprietary
Integrations
Ai2
—
LangSmith
Pagerduty
Categories
Ai2
Education, Research
LangSmith
Dev & Tech, information technology & services, Apps
Popularity
Ai2
Very High
LangSmith
Very High
Description
Ai2
Ai2, founded by Paul Allen and led by Ali Farhadi, is a non-profit research institute. It conducts high-impact research and engineering to tackle key ...
LangSmith
LangSmith is a complete AI agent and LLM observability platform. It offers tracing and real-time monitoring to help developers debug agents, find fail...
Features
Ai2
Open language models (OLMo)
Multimodal AI models
AI for science applications (Asta)
Semantic scientific search (Semantic Scholar)
AI for environmental applications (EarthRanger)
AI model evaluation frameworks
LangSmith
Cost tracking
Online LLM-as-judge and code evals
Tool and agent trajectory monitoring
Webhook and Pagerduty alerts
Message threading for multi-turn chat interactions
Templates for error analysis
Key differentiators
Ai2
- Non-profit AI research for common good
- Develops truly open AI models
- Specializes in AI for science & environment
LangSmith
- Complete AI agent & LLM observability
- Real-time tracing, debugging & evals
- Cost, latency & trajectory monitoring
Other comparisons
FAQ: Ai2 vs LangSmith
Ai2: Truly open breakthrough AI.. LangSmith: AI Agent & LLM Observability Platform. Both tools take different approaches to address similar needs.
Both offer a free or freemium plan. Ai2 is free and LangSmith is freemium.
The best choice between Ai2 and LangSmith 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.
Both are primarily designed for individuals. The choice depends on which specific features you need.
Ai2 offers: Open language models (OLMo), Multimodal AI models, AI for science applications (Asta), Semantic scientific search (Semantic Scholar). LangSmith offers: Cost tracking, Online LLM-as-judge and code evals, Tool and agent trajectory monitoring, Webhook and Pagerduty alerts.
Based on our data, LangSmith currently enjoys greater popularity. However, popularity isn't the only factor — compare features to find the right tool for your needs.