gpt-oss-20b vs gpt-5-2025-08-07
Pricing, Performance & Features Comparison
OpenAI medium-sized open weight model for low latency.
Input-
Output-
Latency (p50)-
Output Limit131K
Function Calling
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JSON Mode
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InputText
OutputText
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GPT-5 is our flagship model for coding, reasoning, and agentic tasks across domains.
Input$1.3
Output$10
Latency (p50)1.8s
Output Limit128K
Function Calling
JSON Mode
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InputText, Image
OutputText
in$1.3out$10-write$0.13