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gpt-oss-20b

Language model from OpenAI, 21B parameters.

openai/gpt-oss-20b
Type
Text
Quality
53 · Top 47% on the Epoch Capabilities Index
Parameters
21B (20,914,757,184)
Downloads
5.9M in the last 30 days
Likes
5.2K
Access to weights
Open download
On Hugging Face since
Aug 4, 2025
Takes in
Text
Puts out
Text
Access
Open weights
License
Apache 2.0
Rarity
Promo
Set number
624/1044
Open on Hugging FaceQuality 53Where to run it 45Race it 709 tok/sMeet its creatureBattle Qwen3-VL-8B-Instruct

License read from the model’s Hugging Face card. Stats from OpenAI’s official Hugging Face account, refreshed daily.

How good is it?

Public leaderboard scores for gpt-oss-20b, refreshed daily from Epoch AI and LMArena.

Top 47% of the 277 models on the Epoch Capabilities Index: #132.

Quality is the share of a leaderboard’s models this one beats, from 0 to 100. Chat models are rated on Epoch AI’s Capabilities Index when it lists them, otherwise on LMArena; image and video models on LMArena’s image and video arenas.

Leaderboards

Benchmarks Epoch AI runs

Scores from Epoch AI and LMArena, licensed CC BY 4.0. Boards list models under their own names, so a close match is shown with the name it was scored under. Credits

Where to run it

40 providers sell gpt-oss-20b through an API, and 5 Hugging Face hosts serve it. Prices are per million tokens, cheapest first.

API providers

ProviderInputOutputContext
KenariFreegpt-oss-20bFreeFree131K
LMStudioFreeopenai/gpt-oss-20bFreeFree131K
NvidiaFreeopenai/gpt-oss-20bFreeFree131K
QVACFreegpt-oss-20bFreeFree131K
Eden AICheapest paidgreenference/gpt-oss-20b$0.009$0.045131K
Kilo Gatewayopenai/gpt-oss-20b$0.018$0.09131K
OpenRouteropenai/gpt-oss-20b$0.018$0.09131K
NanoGPTopenai/gpt-oss-20b$0.02$0.10131K
CoreWeaveopenai/gpt-oss-20b$0.03$0.13131K
Deep Infraopenai/gpt-oss-20b$0.03$0.14131K
Show 30 more providers
ProviderInputOutputContext
IO.NETopenai/gpt-oss-20b$0.03$0.1464K
Vercel AI Gatewayopenai/gpt-oss-20b$0.03$0.14131K
Merge Gatewayopenai/gpt-oss-20b$0.04$0.15128K
Cortecsgpt-oss-20b$0.045$0.17131K
SiliconFlowopenai/gpt-oss-20b$0.04$0.18131K
Clarifaiopenai/chat-completion/models/gpt-oss-20b$0.045$0.18131K
OVHcloud AI Endpointsgpt-oss-20b$0.05$0.18131K
DevPass (LLM Gateway)gpt-oss-20b$0.04$0.19131K
LLM Gatewayconsensusprotocol/gpt-oss-20b$0.04$0.19128K
Databricksdatabricks-gpt-oss-20b$0.05$0.20131K
FastRouteropenai/gpt-oss-20b$0.05$0.20131K
Heliconegpt-oss-20b$0.05$0.20131K
FrogBotgpt-oss-20b$0.07$0.20131K
Vertexopenai/gpt-oss-20b-maas$0.07$0.25131K
STACKITopenai/gpt-oss-20b$0.18$0.29131K
Amazon Bedrockopenai.gpt-oss-20b$0.07$0.30131K
Impossiblfireworks/gpt-oss-20b$0.07$0.30131K
Neongpt-oss-20b$0.07$0.30131K
OCI Generative AIopenai.gpt-oss-20b$0.07$0.30128K
Ollama Cloudgpt-oss:20b$0.07$0.30131K
Pioneeropenai/gpt-oss-20b$0.07$0.30131K
Prime Inferenceopenai/gpt-oss-20b$0.07$0.30131K
Groqopenai/gpt-oss-20b$0.075$0.30131K
Tempr Gatewaygroq/openai/gpt-oss-20b$0.075$0.30131K
Cloudflare Workers AI@cf/openai/gpt-oss-20b$0.20$0.30128K
AI/ML APIopenai/gpt-oss-20b$0.10$0.41131K
LowRouterauto/openai/gpt-oss-20b$0.11$0.47131K
Oppergpt-oss-20b$0.12$0.49128K
Regolo AIgpt-oss-20b$0.40$1.80128K
Qiniugpt-oss-20b——128K

Hugging Face Inference Providers

HostInputOutputContextSpeedFirst token
DeepInfraTools$0.03$0.14131K140 tok/s0.2s
OVHcloudTools$0.05$0.18131K35 tok/s0.6s
NscaleTools$0.05$0.20131K168 tok/s0.5s
GroqFastestTools$0.10$0.50131K709 tok/s0.4s
Featherless—————

From models.dev and Hugging Face, checked daily. Resellers’ listings can lag behind their price pages, so confirm with the provider before you commit.

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