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235 tools · 33 stacks

AI tools are all over the place. This is the full landscape — 247 tools across 21 categories, mapped and connected. Ready to narrow it down? Build your stack →

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What are you building and how is it defined?
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Which models and infrastructure power it?
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These tools competes with
xAI Grok API
vs
OpenAI API

Choose xAI Grok API when…

  • •comparing frontier models beyond OpenAI and Anthropic
  • •want OpenAI-compatible API with Grok's reasoning capabilities
  • •need a model with real-time knowledge cutoff

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
xAI Grok API
OpenAI API
Category
LLM Infrastructure
LLM Infrastructure
Type
SaaS
SaaS
Free Tier
✓ Yes
✗ No
Plans
Free: Limited usagePay-as-you-go: Per token
API: Per token
Stars
—
—
Health
—
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Trajectory
— not enough data
— not enough data

xAI Grok API

xAI's Grok API provides access to the Grok family of frontier language models, featuring competitive reasoning capabilities and an OpenAI-compatible API. Grok-2 and Grok Vision models are available with real-time knowledge and strong coding performance.

OpenAI API

API access to GPT-5, GPT-5.5, o3/o4 reasoning models, and the Responses API; plus embeddings, image, audio, and Realtime endpoints. The most widely deployed LLM API in production.

xAI Grok API Website ↗
OpenAI API Website ↗

Only xAI Grok API (1)

OpenAI API

Only OpenAI API (38)

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See full comparison in Explore →