{"slug": "new-model-available-step-5-preview", "title": "New Model Available: Step 5 Preview", "summary": "StepFun released Step 5 Preview, a next-generation flagship foundation model built for real-world tasks with a focus on coding and professional knowledge work. The model natively supports text, image, and video input and offers a 1M-token context window, targeting workflows that process large amounts of information, use tools, and drive tasks through to deliverable results. The listing reports a 2.43s latency figure and 33.8 tokens per second throughput, with benchmarks sourced from Artificial Analysis.", "body_md": "Step 5 Preview is StepFun's next-generation flagship foundation model for real-world tasks, with a focus on coding and professional knowledge work. It natively supports text, image, and video input, offers a 1M-token context window, and is well suited for workflows that require processing large amounts of information, using tools, and driving tasks through to deliverable results.\n\n[Back to Models](https://zenmux.ai/models)\n\n## Providers\n\nRoute requests across multiple providers. Copy a provider slug to set your preference.\n\n*Read:*\n\n**-**/ M tokens\n\n*Write:*\n\n**-**/ M tokens1M2.43s33.8tps\n\n## Uptime\n\n24hours\nDirect request success rate on AI Gateway and per-provider.\n\n## Throughput\n\n24hours\nP50 throughput on live AI Gateway traffic, in tokens per second (TPS).\n\n## Latency\n\n24hours\nP50 time to first token (TTFT) on live AI Gateway traffic, in milliseconds.\n\n## Activity\n\nToken volume and request traffic to this model over time.\n\n## Benchmarks\n\nScores on standardized evaluations. Higher percentages are better — and rank percentile shows\n\nMetrics sourced from[Artificial Analysis](https://artificialanalysis.ai/)\n\n## Apps\n\nPublic apps that send the most traffic to this model. Good signal for what real production workloads look like — and a hint at which use cases this model is best suited for. [View All](https://zenmux.ai/analytics/apps)\n\n## Related Models\n\nMore models from [StepFun](https://zenmux.ai/stepfun)", "url": "https://wpnews.pro/news/new-model-available-step-5-preview", "canonical_source": "https://zenmux.ai/stepfun/step-5-preview", "published_at": "2026-09-20 07:38:11+00:00", "updated_at": "2026-09-20 07:53:59.034835+00:00", "lang": "en", "topics": ["large-language-models", "ai-products", "generative-ai", "ai-tools"], "entities": ["StepFun", "Step 5 Preview", "Artificial Analysis"], "alternates": {"html": "https://wpnews.pro/news/new-model-available-step-5-preview", "markdown": "https://wpnews.pro/news/new-model-available-step-5-preview.md", "text": "https://wpnews.pro/news/new-model-available-step-5-preview.txt", "jsonld": "https://wpnews.pro/news/new-model-available-step-5-preview.jsonld"}}