OptimToken › Models by maker › xAI

xAI (Grok) API pricing

As of 2026-10-05, the OptimToken catalogue holds 7 xAI models. All 7 sit in the Mid-tier price tier. The cheapest is Grok Build 0.1 at $1.00 per 1M input tokens and $2.00 per 1M output tokens. The most expensive is Grok 4.7 at $2.00 input and $6.00 output, 2.8x the cheapest on blended price (30% input, 70% output), the same blended price as 2 others. These are the prices we quote: a model sold by several hosts has other rates, listed on its own page.

xAI models and prices

xAI models, cheapest first on blended price (30% input, 70% output). USD per 1M tokens, data snapshot 2026-10-05.
Model	Input	Output	Batch (in / out)	Cache read	Context	Licence
Grok Build 0.1	$1.00	$2.00	not published	$0.20	256K	Proprietary
Grok 4.20	$1.25	$2.50	not published	$0.20	2M	Proprietary
Grok 4.20 Multi-Agent	$1.25	$2.50	not published	$0.20	2M	Proprietary
Grok 4.3	$1.25	$2.50	$1.00 / $2.00	$0.20	1M	Proprietary
Grok 4.5	$2.00	$6.00	not published	$0.30	500K	Proprietary
Grok 4.6	$2.00	$6.00	not published	$0.50	500K	Proprietary
Grok 4.7	$2.00	$6.00	not published	$0.50	500K	Proprietary

Published discounts: a prompt-cache read rate for all 7 and a batch rate for 1 of the 7. The most recent by release date is Grok 4.7 (2026-09). Arena ELO scores (as of 2026-10-02) exist for 4 of the 7; the highest is Grok 4.20 at 1475.

Licences

All 7 are recorded here as proprietary: access is through an API, priced by the token. Licences are as recorded in this catalogue: check the maker's own terms before relying on one.

Price changes since tracking began

Our daily price archive began on 2026-08-15 and holds a record for all 7 models. The price we quote has changed for 1 of them, 1 time in all. The most recent was to Grok 4.7 on 2026-09-29: +25.0% on the blended price (30% input, 70% output). One model joined after tracking began: Grok 4.7, on 2026-09-22. Last checked against the 2026-10-05 snapshot.

Each row is a model's most recent change. Its own page has the full history.

Model	Date	Old price (in / out)	New price (in / out)	Blended change	Changes in all
Grok 4.7	2026-09-29	$1.60 / $4.80	$2.00 / $6.00	+25.0%	1

Head-to-head comparisons

Models from xAI appear on 1 ready-made side-by-side page.

Grok 4.6 vs GPT-5.5

Other makers

Models by maker: every model in the catalogue, including makers with fewer than 3.

These are list prices.

Your real cost also depends on caching and batching, negotiated discounts, marketplace agreements, and the contracts you already have. OptimNow audits exactly that.

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