# Cheapest Grok Models

As of October 21, 2026, among LiteLLM's active models with a 32K-token context window or more, offered by at least two providers or by their own lab, the cheapest of the Grok models is Grok 4.20, at $1.563 per 1M tokens (blended), from xAI.

- Page: https://models.litellm.ai/rankings/cheapest-grok
- How it's sorted: Sorted by blended price: 3 input tokens for every output token, at each model's headline price (its own lab's API where it sells it, otherwise its cheapest provider). Only Grok models. Only active models with a 32K-token context window or more, offered by at least two providers or by their own lab. Free models are left out.

| # | Model | Lab | Blended price per 1M tokens | Price per 1M (in / out) | Context | Providers |
|---|---|---|---|---|---|---|
| 1 | [Grok 4.20](https://models.litellm.ai/models/grok-4.20) | xAI | $1.563 | $1.25 / $2.50 | 1M | 2 |
| 2 | [Grok 4.3](https://models.litellm.ai/models/grok-4.3) | xAI | $1.563 | $1.25 / $2.50 | 1M | 5 |
| 3 | [Grok 4.5](https://models.litellm.ai/models/grok-4.5) | xAI | $3.00 | $2.00 / $6.00 | 500K | 3 |
| 4 | [Grok 4.6](https://models.litellm.ai/models/grok-4.6) | xAI | $3.00 | $2.00 / $6.00 | 500K | 8 |
| 5 | [Grok 4.7](https://models.litellm.ai/models/grok-4.7) | xAI | $3.00 | $2.00 / $6.00 | 500K | 6 |
| 6 | [Grok 3](https://models.litellm.ai/models/grok-3) | xAI | $6.00 | $3.00 / $15.00 | 128K | 3 |
| 7 | [Grok 4](https://models.litellm.ai/models/grok-4) | xAI | $6.00 | $3.00 / $15.00 | 128K | 4 |