Claude Opus 4.1 (latest) vs xAI Grok 3 Mini: API price and specs

xAI Grok 3 Mini is 96% cheaper than Claude Opus 4.1 (latest) on input price.

xAI Grok 3 Mini is 99% cheaper than Claude Opus 4.1 (latest) on output price.

xAI Grok 3 Mini is 97% cheaper than Claude Opus 4.1 (latest) on a 1M-in / 200k-out workload.

Claude Opus 4.1 (latest) has a 52.6% larger context than xAI Grok 3 Mini.

Field	Claude Opus 4.1 (latest)	xAI Grok 3 Mini
Lowest input, per 1M	$7.50 +2400%	$0.30
Median input, per 1M	$15.00 +4900%	$0.30
Lowest output, per 1M	$37.50 +7400%	$0.50
Median output, per 1M	$75.00 +14900%	$0.50
Lowest unit price	—	—
Cost of 1M in + 200k out	$15.00 +3650%	$0.40
Context	200K	131K +34.5%
Max output	64K +51.2%	131K
Providers	17	5 +70.6%
Regions	GLOBAL, US	US
Accepts	application/pdf, file, image, image/gif, image/jpeg, image/png, image/webp, pdf, text	text
Returns	text	text
Type	Text models	Text models
Free option	no	no
Cheapest provider	openrouter	aihubmix

Your own workload: how many tokens the model gets (input) and gives back (output) - for example, in a month. The "Cost" row of the table above is recalculated for these numbers, for each model.

Computed from current offers each time the page opens; the best value of a row is bold, the percent is how far behind the best.

Providers selling both

aihubmix, edenai, helicone, poe, requesty

Frequently asked questions

Which is cheaper, Claude Opus 4.1 (latest) or xAI Grok 3 Mini?

xAI Grok 3 Mini is 96% cheaper than Claude Opus 4.1 (latest) on input price. xAI Grok 3 Mini is 99% cheaper than Claude Opus 4.1 (latest) on output price. xAI Grok 3 Mini is 97% cheaper than Claude Opus 4.1 (latest) on a 1M-in / 200k-out workload.

Which has the larger context, Claude Opus 4.1 (latest) or xAI Grok 3 Mini?

Claude Opus 4.1 (latest): 200K tokens; xAI Grok 3 Mini: 131K tokens.

Where can I use both Claude Opus 4.1 (latest) and xAI Grok 3 Mini?

aihubmix, edenai, helicone, poe, requesty