Model Cost Profile

OpenAI: gpt-oss-20b

Developer: openai

Pricing updated Mar 11, 2026

Input rank: #39Output rank: #53

Live Pricing

Input: $0.0300

Output: $0.1400

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Pricing via OpenRouter API · Last synced Mar 11, 2026 · MMLU score via public benchmark data

OpenAI's gpt-oss-20b model offers a substantial context window of 131,072 tokens, making it suitable for applications that require extensive text analysis, such as legal document review or long-form content generation. With an input price of $0.03 per 1 million tokens and an output price of $0.14 per 1 million tokens, teams can effectively manage costs while leveraging the model for complex tasks like customer support automation or data summarization. This pricing structure allows organizations to scale their usage based on project demands, ensuring budget-friendly access to advanced AI capabilities.

🔧 Tool Calling📋 Structured Output🧠 Reasoning

Context Window

131,072

Tokens

Input Price / 1M

$0.0300

Prompt tokens

Output Price / 1M

$0.1400

Completion tokens

Intelligence (MMLU)

74.8

Massive Multitask Language Understanding

Benchmark Scores

Standardized evaluation scores for OpenAI: gpt-oss-20b.

Benchmark	Score	Rank	Source
GPQA	68.8	#46 of 118	artificial_analysis
MMLU	74.8	#66 of 121	artificial_analysis

Side-by-Side Pricing Table

Usage Type	Price / 1M Tokens
Input (Prompt)	$0.0300
Output (Completion)	$0.1400

Compare with OpenAI: gpt-oss-120b Compare with Google: Gemma 2 9B Compare with Google: Gemma 3 27B

Price History

OpenAI: gpt-oss-20b Pricing Trend

Input / 1M tokens0.0%Output / 1M tokens0.0%

Mar 7 — Mar 11

Current Input / 1M

$0.0300

Current Output / 1M

$0.1400

Cost Calculator

Estimate monthly spend for OpenAI: gpt-oss-20b based on your workload.

Input tokens / month

01.0B

Output tokens / month

0500M

Estimated Monthly Cost

$2.43

25M input + 12M output tokens

Same Workload on Other Models

Arcee AI: Trinity Large Preview (free)$0.00−$2.43 Arcee AI: Trinity Mini (free)$0.00−$2.43 Google: Gemma 3 12B (free)$0.00−$2.43 Google: Gemma 3 27B (free)$0.00−$2.43

Cheaper Alternatives to Compare

Quick links for cost-down decisions before production rollout.

OpenAI: gpt-oss-20b vs Arcee AI: Trinity Large Preview (free)OpenAI: gpt-oss-20b vs Arcee AI: Trinity Mini (free)OpenAI: gpt-oss-20b vs Google: Gemma 3 12B (free)OpenAI: gpt-oss-20b vs Google: Gemma 3 27B (free)

FAQ

Common pricing and benchmark questions for OpenAI: gpt-oss-20b.

How much does OpenAI: gpt-oss-20b cost per 1M input tokens?

OpenAI: gpt-oss-20b input pricing is $0.0300 per 1M tokens based on the latest synced provider data.

How much does OpenAI: gpt-oss-20b cost per 1M output tokens?

OpenAI: gpt-oss-20b output pricing is $0.1400 per 1M tokens based on the latest synced provider data.

What context window does OpenAI: gpt-oss-20b support?

OpenAI: gpt-oss-20b supports a context window of 131,072 tokens.

How can I compare OpenAI: gpt-oss-20b with cheaper alternatives?

Use the comparison links on this page to open direct model-vs-model pricing and benchmark pages, then evaluate monthly spend projections for your workload.