LangChain
langchainSite: docs.langchain.com · OpenRouter listing ↗
Sightings observed LangChain with 8 models in OpenRouter-published model-page evidence. The app was first observed by Sightings on ; first-observed dates record when Sightings first saw each pairing, not when usage began.
- Global rank
- #18
- public app rankings
- Tokens · yday
- 73.9B
- closed UTC day
- Models observed
- 8
- model pages expose top 5
- First observed
- 2025-02-08
- by Sightings
What it is
See which AI models LangChain uses on OpenRouter, ranked by token usage.
↗ docs.langchain.comModels observed with this app
Early adopter — relationship first observed within 30 days of the model's OpenRouter listing. First-observed dates are when Sightings first saw the pairing, not the start of an app's model usage. Last observed is the latest recorded model-page evidence for each pairing. An observation does not establish continued or exclusive usage, or reveal the app’s full private infrastructure.
| Model | Tokens · latest | First observed | Last observed |
|---|---|---|---|
| google/gemini-3-flash-previewgoogle/gemini-3-flash-preview | 29.5B | ||
| google/gemini-3.1-flash-litegoogle/gemini-3.1-flash-lite | 20.1B | ||
| openai/gpt-6-luna-proopenai/gpt-6-luna-pro | 19.8B | ||
| google/gemini-3.5-flash-litegoogle/gemini-3.5-flash-lite | 13B | ||
| google/gemma-4-26b-a4b-itgoogle/gemma-4-26b-a4b-it | 7.99B | ||
| openai/gpt-5.4-miniopenai/gpt-5.4-mini | 6.77B | ||
| qwen/qwen3.8-27bqwen/qwen3.8-27b | 4.61B | ||
| meta/muse-glimmer-30bmeta/muse-glimmer-30b | 347M |