OpenAI vs xAI

GPT-6 Astra vs Grok 4.7: pricing comparison

Grok 4.7 costs 7.0× less than GPT-6 Astra for a typical 1,000-input, 500-output request. Here is how the two compare on price, context and discounts.

Prices last updated:

Side-by-side prices

GPT-6 AstraGrok 4.7
ProviderOpenAIxAI
Input per 1M tokens$10.00$2.00
Output per 1M tokens$50.00$6.00
Context window1.05M500K
Batch discount50% offNot offered
Typical request (1,000 in / 500 out)$0.035$0.005
Monthly at 1,000 requests/day$1,050.00$150.00

GPT-6 Astra: OpenAI's flagship model, released September 2026.

Grok 4.7: Price shown is for inputs below 200K tokens.

Compare with your own numbers

GPT-6 Astra per request
$0.035
Per month
$1,050.00
Grok 4.7 per request
$0.005
Per month
$150.00

Cost by task

Cost per 1,000 requests at standard prices.
TaskTokens (in / out)GPT-6 AstraGrok 4.7
Short chat reply500 / 300$20.00$2.80
RAG answer6,000 / 600$90.00$15.60
Summarize a long document12,000 / 1,000$170.00$30.00
Output-heavy generation1,000 / 4,000$210.00$26.00

Output tokens usually dominate the bill — see input vs output token cost.

Frequently asked questions

Is GPT-6 Astra or Grok 4.7 cheaper?
Grok 4.7 is cheaper for a typical request of 1,000 input and 500 output tokens: $0.005 versus $0.035 for GPT-6 Astra, about 86% less.
What are the per-token prices of GPT-6 Astra and Grok 4.7?
GPT-6 Astra costs $10.00 input and $50.00 output per million tokens. Grok 4.7 costs $2.00 input and $6.00 output per million tokens.
Which has the larger context window, GPT-6 Astra or Grok 4.7?
GPT-6 Astra has the larger context window: 1.05M tokens versus 500K for Grok 4.7.

More comparisons

All comparisons →