gpt-oss

apache-2.020B

OpenAI’s open-weight models designed for powerful reasoning, agentic tasks, and versatile developer use cases.

Context
131K

Capabilities

Infrastructure
Streaming
Fine-tuning

Details

Provider Ollama
Creator OpenAI
Familygpt-oss
Licenseapache-2.0
Status—
Typechat
Input modalitiestext
Output modalitiestext
Open weightYes
Parameters20B
Architecture—
Context window131K tokens
Max input—
Max output—
Reasoning tokens—
Knowledge cutoff—
Release date
Sourceofficial

API

GET/v1/models/ollama/gpt-oss

gpt-oss

OpenAI’s open-weight models designed for powerful reasoning, agentic tasks, and versatile developer use cases.

Changes · 3 entries
gpt-ossupdate1cd659eMar 24, 2026, 04:19 AM
capabilitiesfine tuningyes
gpt-ossupdate2b100acMar 23, 2026, 05:30 AM
model_typechat
descriptionOpenAI’s open-weight models designed for powerful reasoni...
release_date2025-08-05
page_urlhttps://ollama.com/library/gpt-oss
taglineOpenAI’s open-weight models designed for powerful reasoni...
context_window131072
licenseapache-2.0
parameters20
open_weightyes
modalitiesinput["text"]output["text"]
gpt-osscreate7f5c66fMar 21, 2026, 05:16 AM