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The model library

Find your possibilities.

Choose by what you want to make.
Compare what each model can do in Celeste.

Media
Refine by provider & operationxAI
Operation
Providers
10 of 127 models
Select up to 3 to compare
Grok 3 Mini

xAI

grok-3-mini
  • text.generate
StreamingTool callingStructured output
Grok 4

xAI

grok-4-0709
  • text.generate
StreamingTool callingStructured output
Grok 4 Fast Non-Reasoning

xAI

grok-4-fast-non-reasoning
  • text.generate
StreamingTool callingStructured output
Grok 4 Fast Reasoning

xAI

grok-4-fast-reasoning
  • text.generate
StreamingTool callingStructured output
Grok 4.1 Fast Non-Reasoning

xAI

grok-4-1-fast-non-reasoning
  • text.generate
StreamingTool callingStructured output
Grok 4.1 Fast Reasoning

xAI

grok-4-1-fast-reasoning
  • text.generate
StreamingTool callingStructured output
Grok 4.20 Beta 0309 Non Reasoning

xAI

grok-4.20-beta-0309-non-reasoning
  • text.generate
StreamingTool callingStructured output
Grok 4.20 Beta 0309 Reasoning

xAI

grok-4.20-beta-0309-reasoning
  • text.generate
StreamingTool callingStructured output
Grok Imagine Image

xAI

grok-imagine-image
  • images.generate
  • images.edit
Aspect ratio
Grok Imagine Video

xAI

grok-imagine-video
  • videos.generate
Aspect ratioResolutionDuration control

Capabilities come from the published Celeste SDK. Support varies by model. Test your prompts when switching.

Side by side

Find the right fit.

Selected model capabilities
In the SDK
Provider
Operations
Streaming
Controls

These are SDK capabilities, not quality rankings. Choose a model, then evaluate it for your use case.