✓
Tool
Category
Pricing
Free?
Updated
Julep
AI Agents
Freemium
✓
Mar 2026
→
Platform for building stateful, long-running AI agents with persistent memory
Best for: stateful
Flux AI ✓
AI Image Generation
Freemium
✓
Mar 2026
→
State-of-the-art AI image model by Black Forest Labs with exceptional quality.
Best for: image-generation
OpenAI Assistants API
AI Agents
Paid
—
Mar 2026
→
OpenAI managed API for building stateful AI agents with tools and persistent threads
Best for: OpenAI
GPT-5.3 Codex ✓
AI Coding
From $20/mo
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Mar 2026
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OpenAI's latest coding model with SOTA performance on coding benchmarks.
Best for: coding