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OpenAI
gpt-oss-20b (free)
openai/gpt-oss-20b:free
Current Pricing
Calculate CostInput ($/1M)
$0.00
Output ($/1M)
$0.00
Last updated: Jul 14, 2026 · Source: openrouter_api
Specifications
Context Window
131.1K
Max Output
32.8K
Release Date
Aug 5, 2025
Modalities
text
Function Calling
Streaming
Batch
Structured Output