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123 tools · 10 stacks
GitHub

AI tools are all over the place. This is the full landscape — 123 tools across 12 categories, mapped and connected. Ready to narrow it down? Build your stack →

Stack Layers
What are you building and how is it defined?
How do you write and ship code?
How does your AI think and act?
Which models and infrastructure power it?
How do you build, observe, and extend it?
React Flow mini map
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These tools integrates with
OpenAI API
vs
Helicone

Choose OpenAI API when…

  • •You need the broadest ecosystem and most integrations
  • •GPT-4 or o-series reasoning models are required
  • •Assistants API, fine-tuning, or batch API are needed

Choose Helicone when…

  • •You want one-line LLM observability setup
  • •Caching LLM responses to cut costs matters
  • •You're an early-stage startup optimizing quickly
Field
OpenAI API
Helicone
Category
LLM Infrastructure
LLM Infrastructure
Type
SaaS
OSS
Free Tier
✗ No
✓ Yes
Plans
API: Per token
Pro: Usage-based
Stars
—
⭐ 2,500

OpenAI API

API access to GPT-4o, o1, and other OpenAI models including embeddings and image generation. The most widely used LLM API in production.

Helicone

Open-source LLM observability platform. One-line integration to log every LLM request, track costs, and debug slow or failing calls.

OpenAI API Website ↗
Helicone Website ↗GitHub ↗

Shared Connections (3)

LiteLLMLangfuseAnthropic API

Only OpenAI API (18)

CrewAIAutoGenLangChainLlamaIndexMastraPydanticAIsmolagentsAgno

Only Helicone (5)

LangSmithArize PhoenixOpenAI APITraceloopLogfire
See full comparison in Explore →