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OpenAI

GPT OSS 20b API Pricing 2026

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

Overview

GPT OSS 20b was released on August 5, 2025. Pricing starts at $0.030 per million input tokens and $0.140 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$0.030
Output$0.140
Cached$0.020
per 1M tokens
Speed
Output264 tok/s
TTFT0.42s
median latency
Capabilities
VisionReasoningTools

Pricing Comparison

Compare GPT OSS 20b with 0 similar models by price.

Current Pricing (per 1M tokens)

1 models

Provider
Model
Input $/M
Output $/M
Coding
MMLU
GPQA
Context
Actions
$0.030
$0.140
65.2
71.8
61.1
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 20b is available from multiple providers with different pricing and availability.

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Community Rankings

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Cost vs. Quality

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GPT-OSS-20b
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Detailed Benchmark Scores

Intelligence
20.8 (50th pct)
Coding
14.4 (38th pct)
Math
62.3 (59th pct)
MMLU Pro
71.8 (42th pct)
GPQA
61.1 (49th pct)
LiveCodeBench
65.2 (72th pct)
AIME
-
Aider
-
Benchmark data from Artificial Analysis and HuggingFace Open LLM Leaderboard

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Frequently Asked Questions

GPT OSS 20b costs $0.000030 per 1,000 input tokens and $0.000140 per 1,000 output tokens.

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