Lightning.AI

Lightning AI Model APIs

OpenAI-compatible LLM gateway. Call hosted models from OpenAI, Anthropic, Google and open-weights providers through a single Bearer-authenticated endpoint with one bill, using provider/model names such as openai/gpt-5 or anthropic/claude-opus-4-8. Every user receives 30 million free tokens per month. The public model catalog is served unauthenticated at https://lightning.ai/api/v1/models.

GitHub

Documentation

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Documentation
https://lightning.ai/docs/platform/inference/model-apis
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RateLimits
https://raw.githubusercontent.com/api-evangelist/lightningai/refs/heads/main/rate-limits/lightningai-rate-limits.yml
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Authentication
https://raw.githubusercontent.com/api-evangelist/lightningai/refs/heads/main/authentication/lightningai-authentication.yml

Other Resources

🔗
APIsJSON
https://raw.githubusercontent.com/api-evangelist/lightningai/refs/heads/main/apis.yml

API entry from apis.yml

apis.yml Raw ↑ 
aid: lightningai:model-apis
name: Lightning AI Model APIs
description: OpenAI-compatible LLM gateway. Call hosted models from OpenAI, Anthropic, Google and open-weights
  providers through a single Bearer-authenticated endpoint with one bill, using provider/model names such
  as openai/gpt-5 or anthropic/claude-opus-4-8. Every user receives 30 million free tokens per month.
  The public model catalog is served unauthenticated at https://lightning.ai/api/v1/models.
humanURL: https://lightning.ai/docs/platform/inference/model-apis
baseURL: https://lightning.ai/v1
tags:
- LLM Gateway
- Model Inference
- Artificial Intelligence
properties:
- type: Documentation
  url: https://lightning.ai/docs/platform/inference/model-apis
- type: RateLimits
  url: rate-limits/lightningai-rate-limits.yml
- type: Authentication
  url: authentication/lightningai-authentication.yml