Free {family} model via API
Grok is xAI's model family, including chat, reasoning, and Grok Imagine media-generation models.
2 models2 providersup to 25K contextbest: Grok BetaUpdated:
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The table refreshes hourly from aggregator APIs. The same model at different providers is a separate endpoint with its own limits.
| # | Model ↕ | AA Index ↕ | GPQA ↕ | Context ↕ | Size ↕ | Free at ↕ | |
|---|---|---|---|---|---|---|---|
| 1 | 
Grok Beta
xAI · New · Legacy
|
6.9 | 47% | 25K | Frontier |  UnoRouter |
|
| 2 |
Grok Imagine Image
xAI · Image generation
|
— | — | — | — |  OrcaRouter |
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Benchmarks: Artificial Analysis (September 24, 2026). A dash means the model is not on their leaderboard; we never estimate scores ourselves.
About Grok
xAI
Grok is xAI's model family, including chat, reasoning, and Grok Imagine media-generation models.
FAQ
Which Grok models are free?
Currently 2 models are free: Grok Beta, Grok Imagine Image.
Where can I get a free Grok API key?
Free Grok routes are available at: UnoRouter, OrcaRouter. Get a key in the provider's dashboard; links are on each model card.
Who develops Grok?
Grok is xAI's model family, including chat, reasoning, and Grok Imagine media-generation models.