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StepFun releases Step 5 Preview for free on Nous Portal, scores 33.89 on Hermes Index matching GPT-6 Luna
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StepFun has released Step 5 Preview, a 600 billion total parameter mixture-of-experts AI model with 27 billion active parameters, 1 million context length, and vision capabilities. The model is available for free on the Nous Portal for one week. According to the announcement, Step 5 Preview scored 33.89 on the Hermes Index, matching the score of GPT-6 Luna. The post does not specify the exact date of the release or the expiration of the free access period.
Source report
Step 5 Preview, developed by @StepFun_ai, is available for free on the Nous Portal for the next week.
Key Specifications
- Total parameters: 600 billion
- Active parameters: 27 billion (Mixture of Experts architecture)
- Context length: 1 million tokens
- Vision capabilities: Included
Performance
Step 5 Preview scored 33.89 on the Hermes Index, matching the score of GPT-6 Luna.
Access Step 5 Preview on Nous Portal
Source
NousResearchNeutral / independent