Stepfun

Stepfun is a Product Hunt listing on Launch Llama with 171 total upvotes, compared against 6 alternatives.

About

Stepfun was founded in April 2023 to develop advanced AI language and multimodal models. The company has completed development of Step-1, a large language model with hundreds of billions of parameters, and Step-1V, a multimodal model. Its models demonstrate leading performance in image understanding, multi-turn instruction following, mathematical ability, logical reasoning, and text creation.

Launch Llama's Take

Based on Launch Llama data as of October 2026

Stepfun has 171 upvotes, including the votes it received on Product Hunt, which ranks it #353 of 1,953 Artificial Intelligence tools on Launch Llama by upvotes, in the top quarter. It has been listed on Launch Llama since June 2026. No Launch Llama members have upvoted it yet and it has no reviews yet.

Key Features

• Deploy open-weight agent models with native vision and tool use capabilities
• Build real-world agents using Step 3.7 Flash foundation model
• Leverage multimodal understanding across text and image inputs
• Execute tool-use workflows for agent automation tasks
• Access open-source model weights for custom deployment

Use Cases

• Deploy Step 3.7 Flash as an open-weight agent model to build autonomous systems with vision and tool-use capabilities without vendor lock-in
• Integrate Step 3.7 Flash's multimodal abilities into applications requiring image understanding and multi-turn instruction following at scale
• Access Step-1V multimodal model through Stepfun's open-source repository on GitHub to build custom AI agents with mathematical reasoning
• Leverage Step 3.7 Flash's tool-use functionality to create real-world agents that interact with external APIs and services in production
• Use Stepfun's open-weight models as a foundation for fine-tuning on proprietary datasets while maintaining deployment flexibility

Pricing

Founder Guides

• How to use Stepfun to run a leaner startup
• How to use Stepfun to make money faster
• How to use Stepfun to save time

Alternatives

Gemini 3.1 Flash-LiteFor AI engineers: Gemini 3.1 Flash-Lite is a lightweight model for high-volume, latency-sensitive agent pipelines. Handles tool calling, classification, and multimodal processing.Google Gemini 3.8 Flash and CyberFor AI engineers: Gemini 3.8 Flash powers autonomous agents and cybersecurity tasks with advanced reasoning at low cost.Gemini 3.6 Flash FamilyFor AI developers: Gemini 3.6 Flash delivers fast, reliable inference at scale so you build production agents with lower latency and cost.Gemini Omni 1.1 FlashFor developers: Gemini Omni 1.1 Flash generates and edits videos with creative controls so you build multimodal AI applications faster.V2FunFor 3D creators: V2Fun turns images and prompts into motion-ready characters with 8K textures and AI motion capture in one tool, eliminating software switching.Omni Flash For video creators: Omni Flash converts text, images, or clips into cinematic 4K video with synced audio and locked character consistency in one render pass.