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OpenAI: gpt-oss-120b

🇺🇸 OpenAI · gpt-oss-120b

Input Price $0.030 per million tokens NT$0.96
Output Price $0.150 per million tokens NT$4.8
Context Window 131K tokens Output limit: 131K
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Overview

OpenAI: gpt-oss-120b is a large language model API from OpenAI, part of its gpt-oss-120b model family. At $0.030 per million input tokens and $0.150 per million output tokens, it sits in the budget tier — among the cheaper options for high-throughput or cost-sensitive workloads. Output tokens cost about 5× as much as input, so prompt-heavy workloads run noticeably cheaper than generation-heavy ones. The 131K-token context window — around 197 pages of text — comfortably handles long documents, multi-file code, or extended conversations. On Artificial Analysis's Intelligence Index it scores 24 (D grade), a useful proxy for its general reasoning strength relative to the other models tracked here. All prices on this page reflect OpenRouter's routed rates and are re-synced automatically every day; confirm against the provider's official pricing before committing to production.

Dimension Unit Price (USD) Price (TWD) Effective From
Input per 1M tokens $0.030 NT$0.96
Output per 1M tokens $0.150 NT$4.8

Provider
OpenAI
Model Family
gpt-oss-120b
Version String
openai/gpt-oss-120b
Status
Active
Modality
Text
Context Window
131,072 tokens
Output Limit
131,072 tokens

Index Metrics

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

Agentic Index 13 F Measured: 2026-07-01
Coding Index 30 C Measured: 2026-07-01
Intelligence Index 24 D Measured: 2026-07-01

Benchmark Scores

Data source: Artificial Analysis

AA-LCR 50.7% C Measured: 2026-07-01
GPQA Diamond 78.2% A Measured: 2026-07-01
HLE 18.5% B Measured: 2026-07-01
IFBench 69.0% B Measured: 2026-07-01
Non-Hallucination 8.8% Measured: 2026-07-01
Omniscience Accuracy 21.5% Measured: 2026-07-01
SciCode 38.9% B Measured: 2026-07-01
Tau2 65.8% Measured: 2026-07-01
TerminalBench 23.5% Measured: 2026-07-01

Performance Metrics

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

First Token Latency 0.9s Measured: 2026-07-01
Output Speed 292 t/s Measured: 2026-07-01
Response Time 9.5s Measured: 2026-07-01

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
Output $0.150 OpenRouter
Input $0.030 OpenRouter
Output $0.150 OpenRouter
Input $0.030 OpenRouter
Output $0.150 OpenRouter
Input $0.030 OpenRouter
Output $0.150 OpenRouter
Input $0.030 OpenRouter
Output $0.150 OpenRouter
Input $0.030 OpenRouter
Output $0.150 OpenRouter
Input $0.030 OpenRouter
Output $0.150 OpenRouter
Input $0.030 OpenRouter
Output $0.180 OpenRouter
Input $0.039 OpenRouter
Output $0.180 OpenRouter
Input $0.039 OpenRouter
Output $0.180 OpenRouter
Input $0.039 OpenRouter
Output $0.180 OpenRouter
Input $0.039 OpenRouter
Output $0.180 OpenRouter
Input $0.039 OpenRouter
Output $0.180 OpenRouter
Input $0.039 OpenRouter
Output $0.180 OpenRouter
Input $0.039 OpenRouter
Output $0.180 OpenRouter
Input $0.039 OpenRouter
Output $0.180 OpenRouter
Input $0.039 OpenRouter
Output $0.180 OpenRouter
Input $0.039 OpenRouter
Output $0.180 OpenRouter
Input $0.039 OpenRouter
Output $0.180 OpenRouter
Input $0.039 OpenRouter
Output $0.180 OpenRouter
Input $0.039 OpenRouter
Output $0.180 OpenRouter
Input $0.039 OpenRouter
Output $0.180 OpenRouter
Input $0.039 OpenRouter
Output $0.180 OpenRouter
Input $0.039 OpenRouter
Output $0.180 OpenRouter
Input $0.039 OpenRouter
Output $0.180 OpenRouter
Input $0.039 OpenRouter

Key Insights

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

  • OpenAI: gpt-oss-120b Input price: $0.03/M tokens
  • OpenAI: gpt-oss-120b Output price: $0.15/M tokens
  • Context window: 131,072 tokens
  • Provider: OpenAI
  • Model family: gpt-oss-120b
  • Modalities: Text
  • Data source: OpenRouter, updated daily