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SpaceXAI: Grok 4.6 API Pricing

SpaceXAI: Grok 4.6 is an API model from x-ai. It costs $2 per 1M input tokens and $6 per 1M output tokens, with cached input at $0.5. Its context window is 500,000 tokens with up to 450,000 output tokens. A workload of 10M input + 2M output tokens costs about $32 per month.

Input

per 1M tokens

Output

per 1M tokens

Cached input

$0.5

per 1M tokens

Context window

500K

500,000 tokens

Blended (80/20)

$2.8

per 1M tokens

Grok 4.6 is a model from SpaceXAI with frontier performance on coding, knowledge work, and STEM. It is succeeded by [Grok 4.7](/x-ai/grok-4.7).

How much does SpaceXAI: Grok 4.6 cost for a real workload?

At 10M input + 2M output tokens per month, SpaceXAI: Grok 4.6 costs about $32 ($20 input + $12 output). Try your own volumes in the cost calculator.

What are cheaper alternatives to SpaceXAI: Grok 4.6?

OpenAI: GPT-5.2 (batch) — $0.875 in / $7 out per 1M
Magnum v4 72B — $2.5 in / $5 out per 1M
Z.ai: GLM 5.2 — $0.0341 in / $7 out per 1M
OpenAI: GPT-5.6 Terra Pro (batch) — $1 in / $6 out per 1M
OpenAI: GPT-5.6 Terra (batch) — $1 in / $6 out per 1M
Google: Gemini 3.1 Pro Preview (batch) — $1 in / $6 out per 1M

Where to run SpaceXAI: Grok 4.6

AI/ML API: one API key for 400+ models, including most models tracked here · Novita AI: pay-as-you-go APIs for open models (DeepSeek, Qwen, Llama and more) plus GPU cloud. Prices there follow each platform's own catalog and can differ from the list prices tracked here.

Run it on AI/ML API →Run it on Novita AI →

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Compare SpaceXAI: Grok 4.6 with other models

SpaceXAI: Grok 4.6 vs SpaceXAI: Grok Build 0.1SpaceXAI: Grok 4.6 vs SpaceXAI: Grok 4.3 (batch)SpaceXAI: Grok 4.6 vs SpaceXAI: Grok 4.3SpaceXAI: Grok 4.6 vs SpaceXAI: Grok 4.20 Multi-AgentSpaceXAI: Grok 4.6 vs SpaceXAI: Grok 4.20SpaceXAI: Grok 4.6 vs SpaceXAI: Grok 4.7

Frequently asked questions

How much does SpaceXAI: Grok 4.6 cost?

SpaceXAI: Grok 4.6 costs $2 per 1M input tokens and $6 per 1M output tokens (list price, snapshot October 22, 2026). At 10M input + 2M output tokens per month that is about $32.

What is the context window of SpaceXAI: Grok 4.6?

SpaceXAI: Grok 4.6 has a context window of 500,000 tokens and can return up to 450,000 output tokens per response.

What are cheaper alternatives to SpaceXAI: Grok 4.6?

Cheaper models include OpenAI: GPT-5.2 (batch) ($0.875 in / $7 out), Magnum v4 72B ($2.5 in / $5 out), Z.ai: GLM 5.2 ($0.0341 in / $7 out). See the full list on this page.

Is SpaceXAI: Grok 4.6 free to use?

No. SpaceXAI: Grok 4.6 is a paid model at $2 input / $6 output per 1M tokens. 21 free models are listed on the free models page.

Provider: x-ai · Model ID: x-ai/grok-4.6 · Modality: text+image+file->text · Price snapshot October 22, 2026, refreshed daily. How we collect prices