We asked 4 AI models to recommend the best language learning apps for adults. Here's what GPT-4.1, Gemini, Grok, and Llama agree on.
🏆 AI Consensus Winner: Duolingo — recommended by 3/4 models
🟡 AI Confidence: MEDIUM
AI Consensus
These products were recommended by multiple AI models:
- Duolingo
- Babbel
- Rosetta Stone
- Memrise
- Busuu
What Each AI Recommends
| Rank | GPT-4.1 | Gemini | Grok | Llama |
|---|---|---|---|---|
| 1 | Duolingo | Babbel | Duolingo | Duolingo |
| 2 | Babbel | Duolingo | Babbel | Babbel |
| 3 | Rosetta Stone | Memrise | Rosetta Stone | Rosetta Stone |
| 4 | Memrise | Pimsleur | Memrise | Memrise |
| 5 | Busuu | Lingodeer | Busuu | Busuu |
Best For Your Needs
- Best overall: Duolingo
- Best free option: Duolingo
- Best for small teams: Rosetta Stone
- Best for enterprises: Duolingo
Methodology
We asked each AI model: "What are the Best Language Learning Apps For Adults? List your top 5 recommendations."
Models used: GPT-4.1 Nano (OpenAI), Gemini 2.5 Flash (Google), Grok 4.1 Fast (xAI), Llama 4 Scout (Meta). No web search was enabled — these are pure AI opinions based on training data.
The "AI Consensus" shows products mentioned by 2 or more models. The winner is the product that appears most frequently in the #1 position.