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gpt-oss-120b — Free AI Chat on Rewind.ai
Chat with gpt-oss-120b for free — no signup, no credit card. OpenAI's gpt-oss-120b runs in your browser on Rewind.ai, with pay-as-you-go tokens and full API access.
What is gpt-oss-120b?
gpt-oss-120b is an open-weight, 117B-parameter Mixture-of-Experts (MoE) language model from OpenAI designed for high-reasoning, agentic and general-purpose production use cases. It activates 5.1B parameters per forward pass and is optimized.
How does gpt-oss-120b work?
Type your message in the box above and gpt-oss-120b replies instantly — no setup required. Your chat history is saved locally in your browser; sign up free to sync it across devices and get an extra 10,000 tokens. You can switch between gpt-oss-120b and other models at any time from the picker at the top.
Is gpt-oss-120b free?
gpt-oss-120b is pay-as-you-go at $0.04/M input tokens, but you can use it without paying: every visitor gets 2,500 free tokens a day with no sign up, and a free account raises that to 5,000.