Pricing
| Type | Price (per 1M) |
|---|---|
| Input tokens | $0.03 |
| Output tokens | $0.11 |
Capabilities
VisionMultimodalReasoningFunction CallingTool UseJSON ModeCode Execution
About gpt-oss-20b
OpenAI open-weight model with 20 billion parameters. Lightweight, efficient text-only model with reasoning and function calling. Free for self-hosting. Released August 5, 2025.
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Model Specs
Released2025-08-05
Parameters20B
Context131072
ArchitectureDecoder Only
Knowledge cutoff2025-08