Ai2
Truly open breakthrough AI.
VS
eJOY English
Master English by watching videos you love
Detailed comparison
Criteria
Ai2
eJOY English
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
Basic Account: Free, PRO DICT: $3.16/mo, PRO VOCA: $9/mo, PRO PLUS: $17.66/mo, VOCA EASY (Early Bird Special): Custom
Free trial
Yes
No
Audience
b2b
b2c
Platforms
Web
Web, Ios, Android
API
Yes
No
Open Source
Open Source
Proprietary
Categories
Education, Research
Education, Learning
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 ...
eJOY English is an ultimate learning tool that helps users master English by translating videos and looking up, saving, and reviewing knowledge. It in...
Pricing
Ai2
Free
eJOY English
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
eJOY English
Basic Account: Free, PRO DICT: $3.16/mo, PRO VOCA: $9/mo, PRO PLUS: $17.66/mo, VOCA EASY (Early Bird Special): Custom
Free trial
Ai2
Yes
eJOY English
No
Audience
Ai2
b2b
eJOY English
b2c
Platforms
Ai2
Web
eJOY English
Web, Ios, Android
API
Ai2
Yes
eJOY English
No
Open Source
Ai2
Open Source
eJOY English
Proprietary
Categories
Ai2
Education, Research
eJOY English
Education, Learning
Popularity
Ai2
Very High
eJOY English
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 ...
eJOY English
eJOY English is an ultimate learning tool that helps users master English by translating videos and looking up, saving, and reviewing knowledge. It in...
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
eJOY English
Practice English with YouTube videos of your choice
Watch bilingual-subtitled videos with IPA pronunciation
Look up vocabulary instantly with just 1 click
Save and review vocabulary across devices
Have a realistic conversation with eJOY AI on a topic of your choice
Improve Listening, Speaking, Reading, Vocabulary, Grammar, and Pronunciation
Key differentiators
Ai2
- Non-profit AI research for common good
- Develops truly open AI models
- Specializes in AI for science & environment
eJOY English
- Learn English with authentic video content
- Instant translation & dual subtitles
- AI speaking practice with saved vocabulary
Other comparisons
FAQ: Ai2 vs eJOY English
Ai2: Truly open breakthrough AI.. eJOY English: Master English by watching videos you love. Both tools take different approaches to address similar needs.
Both offer a free or freemium plan. Ai2 is free and eJOY English is freemium.
The best choice between Ai2 and eJOY English 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.
Ai2 is primarily designed for individuals, while eJOY English is built for individuals.
Ai2 offers: Open language models (OLMo), Multimodal AI models, AI for science applications (Asta), Semantic scientific search (Semantic Scholar). eJOY English offers: Practice English with YouTube videos of your choice, Watch bilingual-subtitled videos with IPA pronunciation, Look up vocabulary instantly with just 1 click, Save and review vocabulary across devices.
Based on our data, Ai2 currently enjoys greater popularity. However, popularity isn't the only factor — compare features to find the right tool for your needs.