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OpenAI: gpt-oss-120b

🇺🇸 OpenAI · gpt-oss-120b

Input Price $0.039 per million tokens NT$1.2
Output Price $0.180 per million tokens NT$5.8
Context Window 131K tokens
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Dimension Unit Price (USD) Price (TWD) Effective From
Input per 1M tokens $0.039 NT$1.2 2026-05-03
Output per 1M tokens $0.180 NT$5.8 2026-05-03

Provider
OpenAI (OpenAI)
Model Family
gpt-oss-120b
Version String
openai/gpt-oss-120b
Status
active
Modality
text
Context Window
131,072 tokens
Output Limit
— tokens

Index Metrics

Cross-domain capability indexes evaluated by Artificial Analysis — Artificial Analysis

Agentic Index 38 B Measured: 2026-05-27
Coding Index 29 C Measured: 2026-05-27
Intelligence Index 33 C Measured: 2026-05-27

Benchmark Scores

Data source: Artificial Analysis

AA-LCR 50.7% C Measured: 2026-05-27
GPQA Diamond 78.2% A Measured: 2026-05-27
HLE 18.5% B Measured: 2026-05-27
IFBench 69.0% B Measured: 2026-05-27
Non-Hallucination 8.8% Measured: 2026-05-27
Omniscience Accuracy 21.5% Measured: 2026-05-27
SciCode 38.9% B Measured: 2026-05-27
Tau2 65.8% Measured: 2026-05-27
TerminalBench 23.5% Measured: 2026-05-27

Performance Metrics

Real-world benchmarks, updated every 72 hours by Artificial Analysis — Artificial Analysis

First Token Latency 0.8s Measured: 2026-05-27
Output Speed 309 t/s Measured: 2026-05-27
Response Time 8.9s Measured: 2026-05-27

90-Day Price Trend

Input / Output price (USD per 1M tokens)

Past 90 days of records; every price change is shown here

Date Dimension Price (USD) Source
2026-05-27 Output $0.180 openrouter
2026-05-27 Input $0.039 openrouter
2026-05-26 Output $0.180 openrouter
2026-05-26 Input $0.039 openrouter
2026-05-25 Output $0.180 openrouter
2026-05-25 Input $0.039 openrouter
2026-05-24 Output $0.180 openrouter
2026-05-24 Input $0.039 openrouter
2026-05-23 Output $0.180 openrouter
2026-05-23 Input $0.039 openrouter
2026-05-22 Output $0.180 openrouter
2026-05-22 Input $0.039 openrouter
2026-05-22 Output $0.180 openrouter
2026-05-22 Input $0.039 openrouter
2026-05-21 Output $0.180 openrouter
2026-05-21 Input $0.039 openrouter
2026-05-20 Output $0.180 openrouter
2026-05-20 Input $0.039 openrouter
2026-05-19 Output $0.180 openrouter
2026-05-19 Input $0.039 openrouter
2026-05-18 Output $0.180 openrouter
2026-05-18 Input $0.039 openrouter
2026-05-17 Output $0.180 openrouter
2026-05-17 Input $0.039 openrouter
2026-05-16 Output $0.180 openrouter
2026-05-16 Input $0.039 openrouter
2026-05-16 Output $0.180 openrouter
2026-05-16 Input $0.039 openrouter
2026-05-16 Output $0.180 openrouter
2026-05-16 Input $0.039 openrouter
2026-05-16 Output $0.180 openrouter
2026-05-16 Input $0.039 openrouter
2026-05-15 Output $0.180 openrouter
2026-05-15 Input $0.039 openrouter
2026-05-14 Output $0.180 openrouter
2026-05-14 Input $0.039 openrouter
2026-05-13 Output $0.180 openrouter
2026-05-13 Input $0.039 openrouter
2026-05-12 Output $0.180 openrouter
2026-05-12 Input $0.039 openrouter
2026-05-11 Output $0.180 openrouter
2026-05-11 Input $0.039 openrouter
2026-05-10 Output $0.180 openrouter
2026-05-10 Input $0.039 openrouter
2026-05-10 Output $0.180 openrouter
2026-05-10 Input $0.039 openrouter
2026-05-09 Output $0.180 openrouter
2026-05-09 Input $0.039 openrouter
2026-05-09 Output $0.180 openrouter
2026-05-09 Input $0.039 openrouter

Description

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...

Key Insights

Key data points from this page for quick reference and citation.

  • OpenAI: gpt-oss-120b Input price: $0.039/M tokens
  • OpenAI: gpt-oss-120b Output price: $0.18/M tokens
  • Context window: 131,072 tokens
  • Provider: OpenAI
  • Model family: gpt-oss-120b
  • Modalities: text
  • Data source: OpenRouter, updated daily