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gpt-oss-20b

openai

Hugging FaceArtificial Analysis

BenchClub cloud

Pass rate
85%
23 of 27 checks
Speed
173.8 tok/s
decode, short prompt
At 8k context
149.5 tok/s
decode
Cloud runs
3
speeds within 0.8%
  • Coding9/9100%
  • Tool use9/9100%
  • Long context5/956%
Suite
[email protected]
Machine
NVIDIA L40S · 48 GB
Engine
ollama 0.40.14

Headline numbers come only from cloud runs. Runs on members’ own machines are listed below and don’t change them.

Arena score
1287
Among open models
#86of 144
Among all on Arena
#263
Votes
10,416

Measured on gpt-oss-20b, the served version, not a local build. LMArena, CC BY 4.0, published Oct 28, 2026.

Score by category

CategoryScore
  • Math1317
  • Chinese1315
  • Software & IT1311
  • Medicine & health1310
  • Coding1306
  • Applied math1305
  • English1303
  • Science1296
  • Hard prompts, English1292
  • Business & finance1283
  • Legal & government1280
  • Russian1278
  • Hard prompts1274
  • Non-English1268
  • Multi-turn1268
  • Spanish1267
  • Expert1258
  • German1255
  • Polish1252
  • Long prompts1250
  • Japanese1245
  • Writing & literature1238
  • Instructions1236
  • Korean1234
  • Excluding ties1222
  • Media & sports1216
  • Creative writing1200

BenchClub runs

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