Compare · ModelsLive · 2 picked · head to head

gpt-oss-120b vs GPT-4.1 Mini

Side by side · benchmarks, pricing, and signals you can act on.

Winner summary

gpt-oss-120b wins 10 of 11 shared benchmarks. Leads in coding · knowledge · math.

Category leads
coding·gpt-oss-120bknowledge·gpt-oss-120blanguage·GPT-4.1 Minimath·gpt-oss-120breasoning·gpt-oss-120b
Hype vs Reality
gpt-oss-120b
#108 by perf·no signal
QUIET
GPT-4.1 Mini
#118 by perf·no signal
QUIET
Best value
9.6x better value than GPT-4.1 Mini
gpt-oss-120b
428.3 pts/$
$0.11/M
GPT-4.1 Mini
44.5 pts/$
$1.00/M
Vendor risk
OpenAI logo
OpenAI
$840.0B·Tier 1
Medium risk
OpenAI logo
OpenAI
$840.0B·Tier 1
Medium risk
Head to head
gpt-oss-120bGPT-4.1 Mini
Aider polyglot
gpt-oss-120b leads by +9.4
Aider Polyglot · measures how well AI models can edit code across multiple programming languages using the Aider coding assistant framework.
gpt-oss-120b
41.8
GPT-4.1 Mini
32.4
Fiction.LiveBench
Fiction.LiveBench · a continuously updated benchmark using recently published fiction to test reading comprehension and reasoning, preventing data contamination.
gpt-oss-120b
44.4
GPT-4.1 Mini
44.4
GPQA diamond
gpt-oss-120b leads by +13.2
Graduate-Level Google-Proof QA (Diamond set) · expert-crafted questions in physics, biology, and chemistry that are difficult even for domain PhDs.
gpt-oss-120b
67.7
GPT-4.1 Mini
54.5
HELM · GPQA
gpt-oss-120b leads by +7.0
gpt-oss-120b
68.4
GPT-4.1 Mini
61.4
HELM · IFEval
GPT-4.1 Mini leads by +6.8
gpt-oss-120b
83.6
GPT-4.1 Mini
90.4
HELM · MMLU-Pro
gpt-oss-120b leads by +1.2
gpt-oss-120b
79.5
GPT-4.1 Mini
78.3
HELM · Omni-MATH
gpt-oss-120b leads by +19.7
gpt-oss-120b
68.8
GPT-4.1 Mini
49.1
HELM · WildBench
gpt-oss-120b leads by +0.7
gpt-oss-120b
84.5
GPT-4.1 Mini
83.8
OTIS Mock AIME 2024-2025
gpt-oss-120b leads by +44.2
OTIS Mock AIME 2024-2025 · simulated American Invitational Mathematics Examination problems testing advanced problem-solving skills.
gpt-oss-120b
88.9
GPT-4.1 Mini
44.7
SWE-Bench Verified (Bash Only)
gpt-oss-120b leads by +2.1
SWE-Bench Verified (Bash Only) · a curated subset of SWE-bench where models fix real Python repository bugs using only bash commands, no agent frameworks.
gpt-oss-120b
26.0
GPT-4.1 Mini
23.9
WeirdML
gpt-oss-120b leads by +10.6
WeirdML · tests models on unusual and adversarial machine learning tasks that require creative problem-solving beyond standard patterns.
gpt-oss-120b
48.2
GPT-4.1 Mini
37.6
Full benchmark table
Benchmarkgpt-oss-120bGPT-4.1 Mini
Aider polyglot
Aider Polyglot · measures how well AI models can edit code across multiple programming languages using the Aider coding assistant framework.
41.832.4
Fiction.LiveBench
Fiction.LiveBench · a continuously updated benchmark using recently published fiction to test reading comprehension and reasoning, preventing data contamination.
44.444.4
GPQA diamond
Graduate-Level Google-Proof QA (Diamond set) · expert-crafted questions in physics, biology, and chemistry that are difficult even for domain PhDs.
67.754.5
HELM · GPQA
68.461.4
HELM · IFEval
83.690.4
HELM · MMLU-Pro
79.578.3
HELM · Omni-MATH
68.849.1
HELM · WildBench
84.583.8
OTIS Mock AIME 2024-2025
OTIS Mock AIME 2024-2025 · simulated American Invitational Mathematics Examination problems testing advanced problem-solving skills.
88.944.7
SWE-Bench Verified (Bash Only)
SWE-Bench Verified (Bash Only) · a curated subset of SWE-bench where models fix real Python repository bugs using only bash commands, no agent frameworks.
26.023.9
WeirdML
WeirdML · tests models on unusual and adversarial machine learning tasks that require creative problem-solving beyond standard patterns.
48.237.6
Pricing · per 1M tokens · projected $/mo at 10M tokens
ModelInputOutputContextProjected $/mo
OpenAI logogpt-oss-120b$0.04$0.18131K tokens (~66 books)$0.74
OpenAI logoGPT-4.1 Mini$0.40$1.601.0M tokens (~524 books)$7.00