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gpt-oss-20b OpenAI
Overview
Provider OpenAI
DFO score 16.5
Performance Tier Emerging
Best For –
Released Aug 2025
Knowledge Cutoff –
Pricing
Input / 1M tokens $0.02
Output / 1M tokens $0.09
Performance
Context Window 131K
Throughput (tok/s) –
Latency (TTFT ms) –
Parameters 20B
What the boards rank on
Intelligence Index 10
Coding Index 20.7
Agentic Index 1.2
Arena creative writing –
Arena instruction following –
Capabilities
Tool Use Yes
Function Calling Yes
Vision No
Open Source No
License –

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