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OpenAI: GPT OSS 20B

Reasoning Tool Calling Attachments Open Weights Structured Output

gpt-oss-20b is an open-weight 21B parameter model released by OpenAI under the Apache 2.0 license. It uses a Mixture-of-Experts (MoE) architecture with 3.6B active parameters per forward pass, optimized for...

Providers 4
Released Jun 1, 2024
Input Modalities text, image
Output Modalities text
Tarsk Use coding

Benchmarks

24.5
Intelligence Index
18.5
Coding Index
89.3
Math Index

Available Providers (4)

Provider Model ID Input Cost Output Cost Context Max Output Docs
Kilo Gateway openai/gpt-oss-20b $0.03/MTok $0.14/MTok 131.1K 26.2K
NovitaAI openai/gpt-oss-20b $0.04/MTok $0.15/MTok 131.1K 32.8K
SiliconFlow openai/gpt-oss-20b $0.04/MTok $0.18/MTok 131K 8K
Helicone gpt-oss-20b $0.05/MTok $0.20/MTok 131.1K 131.1K

Capabilities

Reasoning
Tool Calling
Attachments
Open Weights
Structured Output