Available now
xAI
grok-code-fast-1:free
TextToolsVisionWebSearch256K
InputFree
OutputFree
Context256K
Endpointsopenai
Capabilities
ToolsVisionStructuredWeb search
Quick stats
Context window256K
Max output131.1K
Modechat
Performance
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§ 01
Pricing
| Input price | $0.00 · 1M tokens |
| Output price | $0.00 · 1M tokens |
| Context window | 256K tokens |
| Compatible endpoints | openai |
| Vendor | xAI |
§ 02
Call grok-code-fast-1:free from your code
Point any OpenAI-compatible SDK at UnoRouter and request the model by name. Replace YOUR_API_KEY with a real key from your dashboard.
bash
curl https://api.unorouter.com/v1/chat/completions \
-H "Authorization: Bearer YOUR_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"model": "grok-code-fast-1:free",
"messages": [{"role": "user", "content": "Hello!"}]
}'§ 03
Frequently asked questions
How much does grok-code-fast-1:free cost per 1M tokens?
Input is priced at $0.00 per 1M tokens, output at $0.00 per 1M tokens. Billing is per token, no rounding to batch sizes.
How do I access grok-code-fast-1:free via API?
Send requests to the UnoRouter /v1/chat/completions endpoint with model=grok-code-fast-1:free. Any OpenAI-compatible client library works. Authentication uses a standard Bearer token.
What is the context window of grok-code-fast-1:free?
grok-code-fast-1:free supports a context window of 256K tokens, shared between your prompt and the model's response.
§ 04
Similar models
Try grok-code-fast-1:free now
Create an API key and start making requests in under a minute.