Comparisons › Grok vs ChatGPT: how does xAI's pricing stack up?

Grok vs ChatGPT: how does xAI's pricing stack up?

xAI has been racing OpenAI on quality while undercutting on price. Here's how Grok's API and subscriptions compare to ChatGPT in 2026.

Value verdict: on intelligence per $1, Grok currently comes out ahead — 88,000 vs 13,250. Prices move often, so recheck the calculator regularly.

At a glance

Model compared

Grok	ChatGPT	ChatGPT
Flagship model	Grok 4.6	GPT-6 Astra
Input / 1M	$2	$10
Output / 1M	$6	$50
Intelligence index	44	53
Tokens / $1	200.0k	25.0k
Intelligence / $1	88,000	13,250
Cheapest plan	SuperGrok Lite ($10/mo)	ChatGPT Plus ($20/mo)

API pricing

Grok 4.6 costs $2 per 1M input tokens and $6 per 1M output. GPT-6 Astra costs $10 and $50. On a typical output-heavy workload Grok is roughly 8x cheaper per output token than OpenAI's top model — and still about 3x cheaper than GPT-5.6 Sol ($4 / $20).

Subscriptions

Grok's SuperGrok plan sits close to ChatGPT Plus on price, while Grok's free tier and API credits have been aggressive. Both ecosystems bundle their flagship models into the monthly plans.

The verdict

For value, Grok currently leads on intelligence per dollar. ChatGPT retains the bigger ecosystem and default-installed audience. If you're paying per token, Grok is hard to ignore — check the calculator with your real workload.

Bottom line: Grok leads on intelligence per dollar with a simpler, cheaper API; ChatGPT retains the bigger ecosystem and default audience. For per-token value, Grok is hard to ignore.