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207 tools · 25 stacks

AI tools are all over the place. This is the full landscape — 207 tools across 17 categories, mapped and connected. Ready to narrow it down? Build your stack →

Team size

Budget

Use case

Stage

Cluster

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?
These tools integrates with
Helicone
vs
OpenAI API

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

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
Field
Helicone
OpenAI API
Category
LLM Infrastructure
LLM Infrastructure
Type
OSS
SaaS
Free Tier
✓ Yes
✗ No
Plans
Pro: Usage-based
API: Per token
Stars
⭐ 2,500
—
Health
●80 — Active
—
Trajectory
— not enough data
— not enough data
Synced
today
—

Helicone

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

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 Website ↗GitHub ↗
OpenAI API Website ↗

Shared Connections (3)

LiteLLMLangfuseAnthropic API

Only Helicone (5)

LangSmithArize PhoenixOpenAI APITraceloopLogfire

Only OpenAI API (26)

CrewAIAutoGenLangChainLlamaIndexMastraPydanticAIsmolagentsAgno
See full comparison in Explore →