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gpt-oss-120b vs GPT-5 mini

gpt-oss-120b and GPT-5 mini: current price, context, max output, and supported operations.

Pricing comparison

gpt-oss-120bGPT-5 mini
Model makerOpenAIOpenAI
Delivery availabilityAvailableAvailable
Context window128K400K
Max output64K128K
Official price
Input$0.15per 1M tokensOutput$0.60per 1M tokens
Input$0.25per 1M tokensOutput$2.00per 1M tokens
Verified price—
Input$0.175per 1M tokensOutput$1.40per 1M tokens
Model performanceCollecting dataCollecting data
Capabilities
JSON modePrompt CacheReasoningTool use
JSON modePrompt CacheReasoningTool useVision

Summary

  • gpt-oss-120b: —; GPT-5 mini: Input $0.175 / Output $1.40 per 1M tokens. Rates depend on the billing unit, specification, and usage. Compare matching conditions in the model's detailed pricing; a single rate does not determine the total cost.
  • GPT-5 mini has a 3.1x larger context window
  • GPT-5 mini supports 2.0x more output tokens
gpt-oss-120b
GPT OSS
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GPT-5 mini
GPT 5
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FAQ

Which is cheaper, gpt-oss-120b or GPT-5 mini?

gpt-oss-120b: —; GPT-5 mini: Input $0.175 / Output $1.40 per 1M tokens. Rates depend on the billing unit, specification, and usage. Compare matching conditions in the model's detailed pricing; a single rate does not determine the total cost.

What are the key differences between gpt-oss-120b and GPT-5 mini?

GPT-5 mini: Vision