Amazon vs xAI (Grok)

Amazon (5 models) vs xAI (Grok) (5 models) - compared across composite scores, pricing, capabilities, and context windows.

Amazon

Models

Avg Score

Top Model

Score: 61

Price Range

$0.140 - $12.50

per 1M output tokens

1.0M max context

Models

Avg Score

Top Model

Score: 89

Price Range

$2.00 - $6.00

per 1M output tokens

2.0M max context

Amazon	Score	xAI (Grok)	Score	Diff	Compare
Nova 2 Lite	61	Grok Build 0.1	40	+21	Details
Nova Premier 1.0	40	Grok 4.20 Multi-Agent	88	-48	Details
Nova Lite 1.0	40	Grok 4.5	89	-49	Details
Nova Micro 1.0	40	Grok 4.3	89	-49	Details
Nova Pro 1.0	40	Grok 4.20	89	-49	Details

Capability	Amazon	xAI (Grok)	Leader
Vision	4/5	5/5	xAI (Grok)
Reasoning	1/5	5/5	xAI (Grok)
Function Calling	5/5	4/5	Amazon
JSON Mode	0/5	5/5	xAI (Grok)
Web Search	0/5	5/5	xAI (Grok)
Streaming	5/5	5/5	Tie
Image Output	0/5	0/5	Tie

Metric	Amazon	xAI (Grok)
Cheapest Input (per 1M tokens)	$0.035 Nova Micro 1.0	$1.00 Grok Build 0.1
Cheapest Output (per 1M tokens)	$0.140	$2.00
Most Expensive Input (per 1M tokens)	$2.50 Nova Premier 1.0	$2.00 Grok 4.5
Most Expensive Output (per 1M tokens)	$12.50	$6.00
Free Models	0	0
Max Context Window	1.0M	2.0M

Model	Score	Input $/M	Output $/M	Context
Nova 2 Lite	61	$0.300	$2.50	1.0M
Nova Premier 1.0	40	$2.50	$12.50	1.0M
Nova Lite 1.0	40	$0.060	$0.240	300K
Nova Micro 1.0	40	$0.035	$0.140	128K
Nova Pro 1.0	40	$0.800	$3.20	300K

Model	Score	Input $/M	Output $/M	Context
Grok 4.5	89	$2.00	$6.00	500K
Grok 4.3	89	$1.25	$2.50	1.0M
Grok 4.20	89	$1.25	$2.50	2.0M
Grok 4.20 Multi-Agent	88	$1.25	$2.50	2.0M
Grok Build 0.1	40	$1.00	$2.00	256K

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