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Use Grok 4.6 for coding and complex reasoning, with xAI positioning it for agents that carry tasks through extended workflows.
- From $0.84 in / $2.52 out per 1M tokensSave up to 58%
- OpenAI Responses and OpenAI Chat Completions API
- Coding · Reasoning · Planning
What can I help you with?
Use it inOpenCode setup
What is Grok 4.6?
Grok 4.6 is an xAI language model for reasoning, coding and knowledge work. xAI emphasizes continuity across extended agent tasks, including planning, checking results and refining an implementation.
On UniRoute, chat with Grok 4.6 on this page or use the model ID grok-4-6 through the Responses and Chat Completions APIs. The API section includes request examples, and the OpenCode guide covers client setup.
Grok 4.6 follows Grok 4.5. According to xAI, it strengthens task continuity, self-verification and coding intelligence for multi-stage work, alongside improvements in reasoning and knowledge analysis.
What you can do
What Grok 4.6 is built for.
Planning across extended tasks
Break a complex objective into stages, track decisions and ask for checks before moving to the next step.
Reasoning and analysis
Work through a technical question, compare possible approaches and turn source material into a structured explanation.
Tool-based workflows
Use function calling and structured output through the API to connect the model to application tools; the chat workspace accepts text messages.
The chat workspace accepts text only; attachments, search, function calling, reasoning controls and structured output require the API.
Specs & variants
The variants you can call, with their options and prices.
| Variant | Model ID | Modes | Inputs | Output | Price |
|---|---|---|---|---|---|
| Grok 4.6 | grok-4-6 | Chat and text generation | OpenAI Responses and OpenAI Chat Completions API | Streaming; Context window: Not stated on this page | $0.84 input / $2.52 output per 1M tokens |
Pricing
Priced per token. Input and output are billed separately.
| Usage | Official API | UniRoute | Save |
|---|---|---|---|
| Input | $2.00 | $0.84 | Save 58% |
| Output | $6.00 | $2.52 | Save 58% |
| Cache read | $0.50 | $0.21 | Save 58% |
Official price: docs.x.ai · 2026-11-07
Prices updated 2026-11-08.
Pay as you go from a single USD wallet balance. You see the quote before each request.
API
Call Grok 4.6 through OpenAI Responses and OpenAI Chat Completions API.
curl 'https://api.uniroute.app/v1/responses' \ -H 'Authorization: Bearer YOUR_API_KEY' \ -H 'Content-Type: application/json' \ -d '{ "model": "grok-4-6", "input": "Hello", "stream": false}'from openai import OpenAIclient = OpenAI( api_key="YOUR_API_KEY", base_url="https://api.uniroute.app/v1",)response = client.responses.create( model="grok-4-6", input="Hello",)print(response.output_text)curl 'https://api.uniroute.app/v1/chat/completions' \ -H 'Authorization: Bearer YOUR_API_KEY' \ -H 'Content-Type: application/json' \ -d '{ "model": "grok-4-6", "messages": [ { "role": "user", "content": "Hello" } ], "stream": false}'Parameters
| Name | In | Description |
|---|---|---|
model | Body | Model ID to run. |
messages | Body | The conversation as a list of role and content messages. |
stream | Body | Set to true to receive the response as a stream. |
input | Body | Text or input items (OpenAI Responses). |
max_output_tokens | Body | Upper limit on generated tokens (OpenAI Responses). |
Guides
Benchmarks & ranking
Published scores next to the models they were compared with.
| Benchmark | Grok 4.6 High | Grok 4.5 High | GPT-5.6 Sol Max | Fable 5 Max |
|---|---|---|---|---|
| Artificial Analysis Intelligence Index | 61 | 56 | 61 | 62 |
| GDPVal-AA v2 | 1753 | 1526 | 1728 | 1741 |
| CursorBench v3.2 | 69.9% | 66.7% | 67.2% | 70.5% |
| DeepSWE v1.1 | 65.9% | 54% | 73% | 70% |
| FrontierCode v1.1 (Extended) | 61.3% | 56.6% | 60.6% | 64.9% |
| APEX-Agents | 57.5% | 47.1% | 56.7% | 59.2% |
| Terminal-Bench v3.0 | 26% | 15.7% | 34.6% | 34.1% |
| APEX-SWE | 56.4% | 53.6% | — | 58.8% |
| AA-Briefcase | 1577 | 1313 | 1502 | 1574 |
| Harvey LAB (Vals) | 15.8% | 12.9% | 2.5% | 11.3% |
Figures published by xAI from its own evaluations. Results depend on each benchmark’s configuration.
Use cases
Typical ways to put Grok 4.6 to work.
Code review and debugging
Provide a code excerpt and the behavior you expect, then ask for likely defects, a proposed fix and checks to run.
Research and document analysis
Turn supplied material into a brief, identify unanswered questions and ask the model to explain its conclusions.
Application assistants
Add a conversational assistant to your product through the API, keeping instructions and follow-up requests in the same workflow.
Agent development
Connect function calls to your own tools, inspect their results and let the model propose the next action.
FAQ
Common questions about Grok 4.6.
What is Grok 4.6?
Grok 4.6 is an xAI language model for reasoning, coding and knowledge work. xAI emphasizes continuity across extended agent tasks, including planning, checking results and refining an implementation.
How do I call Grok 4.6 through the API?
Create a UniRoute API key and send the model ID grok-4-6 to the Responses or Chat Completions endpoint. The API section shows the request formats.
How much does Grok 4.6 cost?
From $0.84 input / $2.52 output per 1M tokens. Input and output are metered separately. The Pricing section lists the available rates and worked examples, with prices updated 2026-11-08.
Can I use attachments, search and tools in the chat box?
No. The chat box accepts text messages. Attachments, search, function calling, reasoning controls and structured output are API features.
Can I connect it to OpenCode?
Use the linked OpenCode guide to configure UniRoute and choose grok-4-6 from the model catalog available to your account.
Is there a free trial or free credits?
No. Requests are paid from your wallet balance. You can read this page and review the prices without paying, and you need an account with funds to send a message.
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