Purpose Updated
Provide access for free open-source AI resources. 05/04/26

Reference Chart

Model Primary Use Case URL
IBM Granite Playground Enterprise AI / Protyping https://www.ibm.com/granite/playground
Openrouter.AI Model testing / comparison OpenRouter
Qwen 3.6 Multi-step agentic tasks Qwen Studio
DeepSeek v4 Agentic coding DeepSeek
ERNIE 5 Cross-modal reasoning ERNIE
Kimi K2.6 Agentic & Autonomous workflows Kimi AI with K2.6
GLM-5.1 Iterative engineering - long horizon tasks Z.ai - GLM-5.1 & GLM-5
Step-3.5-Flash Real-time agentic problem solving 阶跃AI

IBM Granite Playground

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Overview:

The IBM Granite Playground is a free, web-based environment for experimenting with Granite AI models.

Uses
Enterprise AI Prototyping
AI Agent Development & Workflow Automation

Openrouter.AI

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Overview:

OpenRouter.ai is a unified API that gives developers access to hundreds of AI models—from OpenAI, Anthropic, Google, Meta, and others—through one endpoint and billing account, with built-in routing, fallbacks, and cost controls.

Uses
Free Open-source model platform
Model Comparison Testing