I have searched the existing issues and discussions.
I am using the latest version of Open WebUI.
Installation Method
Pip Install
Open WebUI Version
0.5.20
Ollama Version (if applicable)
No response
Operating System
0.5.13
Browser (if applicable)
No response
Confirmation
I have read and followed all instructions in README.md.
I am using the latest version of both Open WebUI and Ollama.
I have included the browser console logs.
I have included the Docker container logs.
I have listed steps to reproduce the bug in detail.
Expected Behavior
Changing the Context Length is the chat controls should propagate to ollama as num_ctx
Actual Behavior
Doesn't appear to, even with a new chat.
Ollama still shows
llama_init_from_model: n_ctx_per_seq (2048) < n_ctx_train (131072) -- the full capacity of the model will not be utilized
despite the setting being changed to 16000 or any other number.
Steps to Reproduce
See above
Logs & Screenshots
N/A
Additional Information
No response
Originally created by @talentoscope on GitHub (Mar 12, 2025).
Original GitHub issue: https://github.com/open-webui/open-webui/issues/11568
### Check Existing Issues
- [x] I have searched the existing issues and discussions.
- [x] I am using the latest version of Open WebUI.
### Installation Method
Pip Install
### Open WebUI Version
0.5.20
### Ollama Version (if applicable)
_No response_
### Operating System
0.5.13
### Browser (if applicable)
_No response_
### Confirmation
- [x] I have read and followed all instructions in `README.md`.
- [x] I am using the latest version of **both** Open WebUI and Ollama.
- [x] I have included the browser console logs.
- [x] I have included the Docker container logs.
- [x] I have listed steps to reproduce the bug in detail.
### Expected Behavior
Changing the Context Length is the chat controls should propagate to ollama as num_ctx
### Actual Behavior
Doesn't appear to, even with a new chat.
Ollama still shows
```
llama_init_from_model: n_ctx_per_seq (2048) < n_ctx_train (131072) -- the full capacity of the model will not be utilized
```
despite the setting being changed to 16000 or any other number.
### Steps to Reproduce
See above
### Logs & Screenshots
N/A
### Additional Information
_No response_
GiteaMirror
added the bug label 2026-05-20 20:58:13 -05:00
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Originally created by @talentoscope on GitHub (Mar 12, 2025).
Original GitHub issue: https://github.com/open-webui/open-webui/issues/11568
Check Existing Issues
Installation Method
Pip Install
Open WebUI Version
0.5.20
Ollama Version (if applicable)
No response
Operating System
0.5.13
Browser (if applicable)
No response
Confirmation
README.md.Expected Behavior
Changing the Context Length is the chat controls should propagate to ollama as num_ctx
Actual Behavior
Doesn't appear to, even with a new chat.
Ollama still shows
despite the setting being changed to 16000 or any other number.
Steps to Reproduce
See above
Logs & Screenshots
N/A
Additional Information
No response
@talentoscope commented on GitHub (Mar 12, 2025):
This may be a regression of bug #8368