StepFun

@StepFun_ai

Scale-up possibilities for everyone. OpenRouter: openrouter.ai/stepfun HuggingFace: huggingface.co/stepfun-ai

stepfun.com

Joined February 2025

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StepFun
@StepFun_ai
May 29
⚡️ Step 3.7 Flash is here: The new frontier is agent efficiency. #1 ClawEval-1.1 (67.1), #1 SimpleVQA Search (79.2), #2 SWE-PRO (56.3), 95.3 on V* Python. Open weights under Apache 2.0. Built for agentic, coding, search, and multimodal workflows — balancing speed, cost, and
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StepFun
@StepFun_ai
22h
We're heading to AGNTCon + MCPCon Japan (Sept 10–11, Tokyo) — StepFun will be at Booth T6. If you're building in the agentic AI / MCP space, come find us. We'd love to swap notes on where the ecosystem is heading and meet developers and partners. 東京でお会いしましょう！ #AGNTCon
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StepFun
@StepFun_ai
Jul 31
Voice AI Night was 🔥 Packed room in Mountain View last night for our keynote on next-gen end-to-end speech models + a founder panel with @PLAUDAI @cresta and Firework on building voice AI at global scale. Thanks Seamate for co-hosting — and thanks to everyone who came out,
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StepFun
@StepFun_ai
Jul 29
Step Plan Free Trial is now available For a limited time: 🎁 15-day Flash Plan free trial for all users ➕ Unlock another 15 days 🤝 Invite friends to earn up to 90 additional days 🚀 Up to 120 days of free access ⏰ Ends Aug 24 · 23:59 UTC Learn more: platform.stepfun.ai/step-plan
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StepFun
@StepFun_ai
Jul 28
🎙️ Voice AI Night is coming to Mountain View on July 30. StepFun is teaming up with SEAMATE, PLAUD, Firework, and Cresta to bring together builders across foundation models, AI hardware, video commerce, and enterprise AI. We’ll dive into what it really takes to build Voice
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