# Grok 4.3

Model tracker · checked 2026-10-14 · https://dbggr.dev/models/grok-4-3/

Grok 4.3 is a fast model from xAI. At xAI it costs $1.25 per million input tokens and $2.50 per million output tokens, with a 1M-token context window.

- Made by: SpaceXAI (formerly xAI)
- Status: Generally available
- Tier: Fast
- Weights: Closed
- Context window: 1,000,000 tokens
- Input: text, image
- API id: grok-4.3
- Docs: https://docs.x.ai/developers/models/grok-4.3

## Grok 4.3 price at xAI

US dollars per million tokens. Blended is 3 input tokens for every output token, one number to compare on.

| Provider | Input | Output | Cached input | Blended | Batch | Checked |
|---|---|---|---|---|---|---|
| xAI | $1.25 | $2.50 | $0.20 | $1.56 | 20% off | [2026-10-14](https://docs.x.ai/developers/pricing) |

- xAI: Up to 200K input tokens. Requests of 200K tokens or more cost $2.50 in / $0.40 cached / $5.00 out.

## Models like Grok 4.3

| Model | Input | Output | Context | Weights |
|---|---|---|---|---|
| Grok 4.3 | $1.25 | $2.50 | 1M | Closed |
| [Gemini 3.6 Flash](https://dbggr.dev/models/gemini-3-6-flash/) | $0.75 | $3.75 | 1M | Closed |
| [Gemini 3.8 Flash](https://dbggr.dev/models/gemini-3-8-flash/) | $0.75 | $3.75 | 1M | Closed |
| [Claude Haiku 4.5](https://dbggr.dev/models/claude-haiku-4-5/) | $1.00 | $5.00 | 200K | Closed |
| [Qwen3.8 27B](https://dbggr.dev/models/qwen3-8-27b/) | $0.50 | $3.00 | 1M | Open |
| [Amazon Nova 2 Lite](https://dbggr.dev/models/amazon-nova-2-lite/) | $0.30 | $2.50 | 1M | Closed |

## FAQ

### How much does Grok 4.3 cost?

Grok 4.3 costs $1.25 per million input tokens and $2.50 per million output tokens at xAI, and $0.20 per million cached input tokens, with 20% off for batch requests. Prices are list prices in US dollars, last checked 14 October 2026.

### What is Grok 4.3's context window?

Grok 4.3 takes up to 1,000,000 tokens in one request.

### Is Grok 4.3 open weight?

No. Grok 4.3 is only available through xAI's API; xAI doesn't publish the weights.

### Where can I use Grok 4.3?

Grok 4.3 is available from xAI. At xAI, call it as `grok-4.3`.