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OpenAI

GPT OSS 120b API Pricing 2026

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Last updated: May 13, 2026 at 08:24 AM

Overview

GPT OSS 120b was released on August 5, 2025. Pricing starts at $0.039 per million input tokens and $0.180 per million output tokens. The model supports a context window of up to 131K tokens. API access is available through OpenAI.

Context Window
131K
tokens
Pricing
Input$0.039
Output$0.180
Cached$0.014
per 1M tokens
Speed
Output225 tok/s
TTFT0.55s
median latency
Capabilities
VisionReasoningTools

Pricing Comparison

Compare GPT OSS 120b with 0 similar models by price.

Current Pricing (per 1M tokens)

1 models

Provider
Model
Input $/M
Output $/M
Coding
MMLU
GPQA
Context
Actions
$0.039
$0.180
70.7
77.5
67.2
131,072
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* Some models use tiered pricing based on prompt length. Displayed prices are for prompts ≤ 200k tokens.

Compare Providers

GPT OSS 120b is available from multiple providers with different pricing and availability.

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This model may only be available from a single provider

Community Rankings

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Cost vs. Quality

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GPT-OSS-120b
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Detailed Benchmark Scores

Intelligence
24.5 (58th pct)
Coding
15.5 (42th pct)
Math
66.7 (63th pct)
MMLU Pro
77.5 (58th pct)
GPQA
67.2 (58th pct)
LiveCodeBench
70.7 (82th pct)
AIME
-
Aider
41.8 (22th pct)
Benchmark data from Artificial Analysis and HuggingFace Open LLM Leaderboard

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Frequently Asked Questions

GPT OSS 120b costs $0.000039 per 1,000 input tokens and $0.000180 per 1,000 output tokens.

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