gpt-oss-120b
by OpenAItext->text20 endpoints
Neura Intelligence Index
47.6/ 100
Rank
#158—
Confidence
lowBenchmarks
3(8% coverage)
Overview
gpt-oss-120b is an open-weight, 117B-parameter Mixture-of-Experts (MoE) language model from OpenAI designed for high-reasoning, agentic, and general-purpose production use cases. It activates 5.1B parameters per forward pass and is optimized...
Capabilities
Text generation
Tool use / Function calling
Structured output
Extended reasoning
Long context
Top-P sampling
Modalities
Input
Text
Output
Text
Technical Specifications
Context Window
131.1K tokens
Max Output
131.1K tokens
Knowledge Cutoff
2024-06-30
Tokenizer
GPT
Uptime (24h)
10000.0%
Parameters
116800000000B
License
Supported Parameters
frequency_penaltyinclude_reasoninglogit_biaslogprobsmax_tokensmin_ppresence_penaltyreasoningreasoning_effortrepetition_penaltyresponse_formatseedstopstructured_outputstemperaturetool_choicetoolstop_atop_ktop_logprobstop_p
Benchmark Performance
reasoning
| Benchmark | Score | Source |
|---|---|---|
| GPQA Diamond | 80.1 | verified |
| Humanity's Last Exam | 14.9 | verified |
agent
| Benchmark | Score | Source |
|---|---|---|
| TAU-Bench Retail | 67.8 | verified |
Performance Over Time
Pricing
Per 1M tokens
Input$0.04
Output$0.17