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Grok

Grok 4.6

Save 80%Official

xai/grok-4.6

xAI Grok 4.6 — flagship reasoning model, 500K context.

Get an API keyView code sample
Context window
500K
Input modalities
text
Output modalities
text
Capabilities
Reasoning · Tool calling · Coding · Prompt cache
Upstream release
2026-08-12
RouteMux name
xai/grok-4.6
Live model playground

Try Grok 4.6 here

Tune the request, see the current price ceiling, and inspect the real response without leaving this model page.

streamchat
1Configure input
0 / 20,000
Maximum estimated cost—
2Live result

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Enter an input on the left. The same RouteMux Playground execution and billing path powers this embedded test.

conversation

Grok 4.6 API pricing

Source: xai_x0.20 · Verified 2026-09-08

InputOfficial $2 / M tokens
$0.4/ M tokensSave 80%
OutputOfficial $6 / M tokens
$1.2/ M tokensSave 80%

Cache read $0.1/M · Cache write —/M

TierInputCache readCache writeOutput
Standard ≤200K$0.4$2−80%$0.1$0.5−80%—$1.2$6−80%
Standard >200K$0.8$4−80%$0.2$1−80%—$2.4$12−80%

Estimate cost

Estimated cost$0.0052

Limited time20% extra Credits on your first top-up — up to 200 bonus Credits

Applies to your first top-up within 72 hours of signing up. Minimum $20, once per account.

Sign up and claimNo subscription. Pay for what you use.

Key capabilities

ReasoningTool callingCodingPrompt cache

Interface and protocols

OpenAI Chat CompletionsStreamingOpenAI ResponsesStreaming

Use any of these IDs to call this model via the API.

RouteMux namexai/grok-4.6

Replace the ROUTEMUX_KEY placeholder with your API key. Create one →

from openai import OpenAI

client = OpenAI(
    base_url="https://api.routemux.com/v1",
    api_key="<ROUTEMUX_KEY>",
)

completion = client.chat.completions.create(
    model="xai/grok-4.6",
    messages=[{"role": "user", "content": "What is the meaning of life?"}],
)
print(completion.choices[0].message.content)
base_url: https://api.routemux.com/v1

Performance (last 30 days)

Related models

Grok 4.6 FAQ

›What is Grok 4.6?

xAI Grok 4.6 — flagship reasoning model, 500K context.

›How large is the context window of Grok 4.6?

Grok 4.6 supports a context window of up to 500K tokens.

›How much does the Grok 4.6 API cost?

Through RouteMux, Grok 4.6 costs $0.4 for input and $1.2 for output (USD per 1M tokens), below the official list price.

›How do I call Grok 4.6 via API?

Grok 4.6 is OpenAI-compatible: point your base URL at RouteMux and set the model field to xai/grok-4.6 — no code changes needed.

›Which input and output modalities does Grok 4.6 support?

Grok 4.6 accepts text as input and produces text as output.

›When was Grok 4.6 released?

Grok 4.6 was released on August 12, 2026.

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