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gpt-oss-120b Cost Calculator - OpenRouter

Calculate the cost of using gpt-oss-120b from OpenRouter for your AI applications

gpt-oss-120b Cost Calculator

Mode: Chat

Max: 131,072 tokens

Max: 32,768 tokens

Cost Breakdown

Input Cost$0.00003900
Output Cost$0.00019000
Total Cost$0.00022900

Pricing Details

Input: $0.0000000390 per token
Output: $0.0000001900 per token
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Model Specifications

Capabilities

✓Function Calling
✓Reasoning

Limits

Max Input Tokens131,072
Max Output Tokens32,768
Max Tokens32,768

About gpt-oss-120b

gpt-oss-120b is a powerful chat AI model offered by OpenRouter. This comprehensive guide provides detailed pricing information, technical specifications, and capabilities to help you understand the costs and features of using gpt-oss-120b in your applications.

Pricing Information

Input Cost$0.04 per 1M tokens
Output Cost$0.19 per 1M tokens

Note: Use the interactive calculator above to estimate costs for your specific usage patterns.

Technical Specifications

Maximum Input Tokens131,072
Maximum Output Tokens32,768
Maximum Total Tokens32,768

Pro Tip

Use the maximum token limits shown above to understand the model's capacity. This model can handle up to 131,072 input tokens. The maximum output length is 32,768 tokens.

Model Capabilities

✓Function Calling - Execute custom functions and tools
✓Advanced Reasoning - Complex problem-solving capabilities
✓Parallel Function Calling - Execute multiple functions simultaneously
✓Response Schema - Structured output formatting
When should you use gpt-oss-120b?

gpt-oss-120b is best suited for the following scenarios:

  • Long-context chat and document analysis
  • Agent workflows with large memory windows
  • Agentic systems with function or tool calling
  • Workflow automation and API orchestration
  • Complex problem-solving and multi-step reasoning tasks
  • Planning and strategic decision-making applications
When should you avoid gpt-oss-120b?
  • High-volume text generation where output cost dominates
  • Streaming or verbose response workloads
  • Applications requiring image, audio, or multimodal inputs
How does gpt-oss-120b compare to similar models?

Compared to other models in a similar category, this model is more cost-efficient on input tokens but relatively expensive on output tokens. It is better suited for retrieval-heavy or context-rich workflows than generation-heavy use cases.

Understanding gpt-oss-120b pricing
  • gpt-oss-120b is a general-purpose AI model provided by OpenRouter.
  • Input tokens are priced at $0.04 per 1M tokens.
  • Output tokens are priced at $0.19 per 1M tokens.
  • The model supports a maximum input capacity of 131,072 tokens.
  • Maximum output length is 32,768 tokens.
  • For this model, input tokens are less expensive than output tokens, so optimizing your prompts can help manage costs.
  • Supports function calling for executing custom functions and tools.
  • Features advanced reasoning capabilities for complex problem-solving tasks.
  • OpenRouter offers gpt-oss-120b for general-purpose AI workloads — general-purpose AI workloads.

How to Use This Calculator

Step 1: Enter the number of input tokens you expect to use. Input tokens include your prompt, system messages, and any context you provide to the model.

Step 2: Specify the number of output tokens you anticipate. Output tokens are the text generated by the model in response to your input.

Step 3: Review the cost breakdown to see the total estimated cost for your usage. The calculator automatically updates as you adjust the token counts.

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