Grok 4.3
Model Information
| Slug | grok4-3 |
|---|---|
| LLM.txt | View |
| Release Date | April 30, 2026 New |
Organization
| Name | xAI |
|---|---|
| Website | https://x.ai/ |
Model Description
Grok 4.3 is a reasoning model from xAI. It accepts text and image inputs with text output, and is suited for agentic workflows, instruction-following tasks, and applications requiring high factual accuracy. Reasoning is always active and cannot be disabled or configured by effort level.
It supports a 1 million token context window with no output token limit, making it well-suited for long-document analysis, deep research, and multi-step agentic tasks. Pricing is tiered: requests exceeding 200k total tokens are billed at a higher rate.
It supports a 1 million token context window with no output token limit, making it well-suited for long-document analysis, deep research, and multi-step agentic tasks. Pricing is tiered: requests exceeding 200k total tokens are billed at a higher rate.
Available at 9 Providers
| Provider | Type | Model Name | Original Model | Input ($/1M) | Output ($/1M) | Free | Actions | |
|---|---|---|---|---|---|---|---|---|
|
Cline |
Code
|
xAI: Grok 4.3
|
x-ai/grok-4.3
|
$1.25 | $2.50 | ||
|
Inworld |
grok-4.3
|
grok-4.3
|
$1.25 | $2.50 | |||
|
Kilo Code |
Code
|
xAI: Grok 4.3
|
x-ai/grok-4.3
|
$1.25 | $2.50 | ||
|
Nano-GPT |
Grok 4.3
|
x-ai/grok-4.3
|
$1.25 | $2.50 | |||
|
Nous Research |
xAI: Grok 4.3
|
x-ai/grok-4.3
|
$1.25 | $2.50 | |||
|
OpenRouter |
Chat
Code
|
Grok 4.3
|
x-ai/grok-4.3
|
$1.25 | $2.50 | ||
|
Venice |
Grok 4.3
|
grok-4-3
|
$1.42 | $2.83 | |||
|
Arena AI |
Chat
|
grok-4.3
|
- | - | |||
|
Krater |
xAI: Grok 4.3
|
grok-4-3
|
- | - |