GPT-OSS 20B vs Granite 4.2 30B

Change models
IndexAll categories, out of 100.
41.7 ±4.6 best
41.6 ±5.4
GapIndex points below the top.
Top
−0.1 · no clear gap
CoverageIndex weight that has results.
90% best
85%
SpeedOutput tokens per second.
310/s
—
EloLMArena rating and rank.
1288
1361 best
ReleasedMonth of release.
2025-08
2026-08
Input / 1MUS dollars per 1M input tokens.
$0.03
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Output / 1MUS dollars per 1M output tokens.
$0.13
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1K chats2K tokens in, 500 out, each.
$0.125
—
1K documents20K tokens in, 1K out, each.
$0.73
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1K agent tasks200K tokens in, 20K out, each.
$8.60
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ContextMaximum tokens in one request.
131K best
128K
AgenticMulti-step tasks with tools.
39.8
42.0 best
CodingCode writing and repair.
48.9 best
43.2
ReasoningLogic problems and puzzles.
35.3
39.2 best
MultimodalTasks with images and text.
—
—
KnowledgeFacts and expert knowledge.
36.0 best
35.0
MultilingualTasks in many languages.
37.0
—
InstructionTasks with strict prompt rules.
49.9
61.1 best
MathMath problems.
45.9
47.5 best

Benchmarks

9 shared
Only GPT-OSS 20B: 28Only Granite 4.2 30B: 11
GPT-OSS 20B
Granite 4.2 30B
11.0%141 / 222
11.2% best138 / 222
34.7%175 / 217
49.0% best160 / 217
1.4% best113 / 214
0.3%137 / 214
68.8% best134 / 199
64.4%145 / 199
71.5% best87 / 141
66.4%99 / 141
0.0%101 / 133
3.7% best97 / 133
38.9% best92 / 114
37.8%97 / 114
60.7% best86 / 114
57.0%90 / 114
91.7% best15 / 53
89.2%18 / 53