Context Window
131,072
Tokens
Model Cost Profile
OpenAI: gpt-oss-120b (free)
Developer: openai
Pricing updated Mar 11, 2026
Input rank: #17Output rank: #17
OpenAI's gpt-oss-120b model offers a substantial context window of 131,072 tokens, making it ideal for applications that require extensive text processing, such as long-form content generation and complex conversational agents. As a free API model, it allows teams to leverage advanced natural language capabilities without incurring costs for input or output tokens, significantly reducing operational expenses. This model is particularly beneficial for startups and research teams looking to experiment with large-scale language models while maintaining budget constraints.
🔧 Tool Calling🧠 Reasoning
Input Price / 1M
$0.0000
Prompt tokens
Output Price / 1M
$0.0000
Completion tokens
Intelligence (MMLU)
Benchmark Pending
Massive Multitask Language Understanding
Side-by-Side Pricing Table
| Usage Type | Price / 1M Tokens |
|---|---|
| Input (Prompt) | $0.0000 |
| Output (Completion) | $0.0000 |
Price History
OpenAI: gpt-oss-120b (free) Pricing Trend
Input / 1M tokensOutput / 1M tokens
Mar 7 — Mar 11
Current Input / 1M
$0.000000
Current Output / 1M
$0.000000
Cost Calculator
Estimate monthly spend for OpenAI: gpt-oss-120b (free) based on your workload.
01.0B
0500M
Estimated Monthly Cost
$0.00
25M input + 12M output tokens
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Quick links for cost-down decisions before production rollout.
FAQ
Common pricing and benchmark questions for OpenAI: gpt-oss-120b (free).
How much does OpenAI: gpt-oss-120b (free) cost per 1M input tokens?
OpenAI: gpt-oss-120b (free) input pricing is $0.0000 per 1M tokens based on the latest synced provider data.
How much does OpenAI: gpt-oss-120b (free) cost per 1M output tokens?
OpenAI: gpt-oss-120b (free) output pricing is $0.0000 per 1M tokens based on the latest synced provider data.
What context window does OpenAI: gpt-oss-120b (free) support?
OpenAI: gpt-oss-120b (free) supports a context window of 131,072 tokens.
How can I compare OpenAI: gpt-oss-120b (free) 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.