gpt-oss-20b (free) by OpenRouter | AI model information

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Model details

gpt-oss-20b (free)

OpenRouteropenai/gpt-oss-20b:freegpt-oss

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Quick Info

Provider: OpenRouter
Model key: openai/gpt-oss-20b:free
Release date: Aug 5, 2025
Last updated: Aug 5, 2025

Cost

A provider subscription or plan supersedes token-based pricing for this model.

Limits

Output tokens: 8,192 tokens
Context window: 131,072 tokens

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Jun 2, 2026, 7:36 PMUTC

Learn more: microsoft.ai/news/mai-voice-…

Jun 2, 2026, 7:36 PMUTC

MAI-Voice-2: expressive text-to-speech across 15 languages with emotional control (excited, embarrassed, whispered) and stable speaker identity across long-form content. Pairs with MAI-Transcribe-1.5. Use it now: openrouter.ai/microsoft/mai-…

Jun 2, 2026, 7:36 PMUTC

Learn more: microsoft.ai/news/mai-transc…

Jun 2, 2026, 7:36 PMUTC

MAI-Transcribe-1.5: SOTA speech-to-text across 43 languages, transcribing 1 hour of audio in under 15 seconds. 🥇 #1 on FLEURS averaged across 43 languages 🥇 #1 on @ArtificialAnlys Accuracy x Speed Pareto Frontier 🥉 #3 on AA WER at 2.4% Use it now:…

Jun 2, 2026, 7:36 PMUTC

Learn more: microsoft.ai/news/introducin…