catalog / openai
gpt-oss-20b
open-weight
context
128K
20B-parameter open-weight model.
Send openai/gpt-oss-20b to /v1/chat/completions — that is the channel name, not the catalog slug.
Verified host.
Call it
curl
curl https://api.demonroute.com/v1/chat/completions \
-H "Authorization: Bearer $DEMONROUTE_API_KEY" \
-d '{"model":"openai/gpt-oss-20b","messages":[{"role":"user","content":"ping"}]}'