AI · alternatives · 2026
24 alternatives to C1 by Thesys
Make AI apps respond with interactive UI in real-time
C1 is a Generative UI API that enables large language models to respond with interactive user interface elements like charts, forms, and cards in real time. It integrates with any LLM, framework, or MCP through a… Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes.
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OpenUI▲322Thesys just open-sourced their generative UI rendering engine. Interesting timing given where Google a2ui and Vercel's json-render are headed. The difference worth noting: a2ui and json-render both treat JSONL as the contract between the LLM and the renderer. Thesys is betting that's the wrong primitive. Their engine uses a code-like syntax (OpenUI Lang) instead — LLM writes it, renderer executes it. The argument is that LLMs are fundamentally better at generating code than generating structured data, so you get cleaner output and ~67% fewer tokens. The broader vision seems to be a…
Mar 2026 · openui.com · its alternatives →
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C1 Artifacts API▲225Build AI apps that can generate stunning slides and reports
Nov 2025 · thesys.dev · its alternatives →
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AI app generator for internal tools, CRUD apps, and admin panels. Build from your data, edit visually, and share apps with your team.
2024 · uibakery.io · its alternatives →
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Turn Figma designs into full stack apps with AI
2025 · figma.com · its alternatives →
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Claid.ai▲281Create great product images in seconds with AI-powered API
2022 · claid.ai · its alternatives →
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CodeWords▲385Hey HN, Aymeric here, co-founder of Agemo and maker of CodeWords. Generating nice-looking UIs with AI has been democratized now thanks to tools like Lovable, v0 and bolt. Going from natural language to a complex back-end workflow is still an unsolved problem. We started our journey by researching neurosymbolic methods applied to software/code generation problems and it landed us a feature in the ARC-AGI report last year (https://arxiv.org/abs/2412.04604). We've now applied this research to build an AI-native workflow automation platform to enable builders of any…
2025 · agemo.ai · its alternatives →
- 12AIAI in SolidWorks▲191
Hey HN! We’re Will and Jorge, and we’ve built LAD (Language-Aided Design), a SolidWorks add-in that uses LLMs to create sketches, features, assemblies, and macros from conversational inputs (https://www.trylad.com/). We come from software engineering backgrounds where tools like Claude Code and Cursor have come to dominate, but when poking around CAD systems a few months back we realized there's no way to go from a text prompt input to a modeling output in any of the major CAD systems. In our testing, the LLMs aren't as good at making 3D objects as they are are writing code,…
Jan 2026 · trylad.com · its alternatives →
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The shadcn/ui component library for building AI-native apps
2025 · elements.ai-sdk.dev · its alternatives →
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Fusion▲297One codebase for engineers, designers, PMs, and marketers. Everyone works from one source of truth, on brand and in code, with no handoffs to clean up.
2025 · builder.io · its alternatives →
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Create beautiful product ads in seconds with AI
2023 · claid.ai · its alternatives →
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Horizon▲134Understand AI generated code and integrate packages.
2025 · ovalon.org · its alternatives →
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2025 · github.com · its alternatives →
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I'm Dan, and I built a CLI that lets AI agents design in Figma. What it does: 100 commands to create shapes, text, frames, components, modify styles, export assets. JSX importing that's ~100x faster than any plugin API import. Works with any LLM coding assistant. Why I built it: The official Figma MCP server can only read files. I wanted AI to actually design — create buttons, build layouts, generate entire component systems. Existing solutions were either read-only or required verbose JSON schemas that burn through tokens. Demo (45 sec): https://youtu.be/9eSYVZRle7o Tech…
Jan 2026 · github.com · its alternatives →
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Integuru▲161Hey HN! We’re Alan and Richard from Integuru (YC W24). We generate fast, reliable integrations for platforms lacking official APIs. About 2 years ago, we released the first agent that reverse-engineers network traffic to build integrations (https://github.com/Integuru-AI/Integuru). Since then, we’ve developed a new approach to reverse-engineer platforms’ source code directly. This solution also includes authentication support. Here’s a demo: https://youtu.be/4l2L8fILC2g?si=nbWbDiFrWZIWRPM7. Many AI products need to integrate with web apps, but platforms…
May 2026 · integuru.com · its alternatives →
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I've been building computer-use tools for a while, and I quietly launched this about a month ago (122 Stars on GH). I figured it was worth sharing here. Over the last few months, a lot of computer-use agents have come out: Codex, Claude Code, CUA, and others. Most of them seem to work roughly like this: 1. Take a screenshot 2. Have the model predict pixel coordinates 3. Click x,y 4. Take another screenshot 5. Repeat That works, but it's slow, expensive in tokens, and fragile. If the UI shifts a few pixels, things break. And the model still doesn't know what any element actually is. But the…
May 2026 · github.com · its alternatives →
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AG-UI▲112Open protocol for interactive Agent-to-UI communication
2025 · docs.ag-ui.com · its alternatives →
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Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →