IO.NETgpt-ossGPT-OSS 20Bopenai/gpt-oss-20bIO.NETReleased Dec 1, 202464,000 token context windowIn $0.03 · Out $0.14Tool callingOpen weightsTemp controlsInputtextOutputtext
NanoGPTgpt-ossGPT-OSS 20B TEETEE/gpt-oss-20bNanoGPTReleased Aug 5, 2025131,072 token context windowIn $0.20 · Out $0.80InputtextOutputtext
Heliconegpt-ossOpenAI GPT-OSS 20bgpt-oss-20bHeliconeReleased Jun 1, 2024131,072 token context windowIn $0.05 · Out $0.20ReasoningTool callingTemp controlsInputtextOutputtext