grok-4.3

1442 Score third-party Elo · arena.ai / LMArena ?

Grok 4.3 is a reasoning model from SpaceXAI. It accepts text and image inputs with text output, and is suited for agentic workflows, instruction-following tasks, and applications requiring high factual...

LLM & Generative AI 1 model 2 listings snapshot Oct 14, 2026, 12:43 AM

Platforms

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Cheapest OpenRouter no official benchmark Input$1.00 Output$2.00 per 1M tokens Fastest OpenRouter lowest p50 latency on this board 128.1 ms p50 Most free quota — largest published free allowance — free tier

Model variants

W3r9 dedup — same model + identical tags merge; prices are listed per billing form

Model	Provider	Tags	Input /1M	Output /1M
x-ai/grok-4.3	OpenRouter	1M contextmultimodalreasoning	$1.25	$2.50
x-ai/grok-4.3:batch :batch	OpenRouter	1M contextmultimodalreasoning	$1.00	$2.00

Capabilities

official design_arena & architecture metadata

Design Arena Elo official design_arena benchmark (OpenRouter)

website 1198 · 44.3% wr
uicomponent 1195 · 45.1% wr
codecategories 1190 · 43.9% wr
dataviz 1182 · 45.2% wr
gamedev 1180 · 43.7% wr
asciiart 1131 · 43.0% wr
3d 1126 · 41.0% wr
webapps 1120 · 43.2% wr
svg 1082 · 37.3% wr
agenticslides 1072 · 31.9% wr
python-pptxslides 1072 · 30.8% wr
pptxslides 1071 · 32.5% wr

Input / Output modalities modality: text+image+file->text

text in+out
image input only

Platform details

per provider

provider	model	Input /1M	Output /1M	Latency ?	Official $/1M	Availability	Data time
OpenRouter	x-ai/grok-4.3	$1.25	$2.50	128.1 ms	—	100% available	2026-10-14 00:43:21
xAI Official	grok-4.3	$1.25	$2.50	—	$1.25	—	2026-10-14 00:54:15

2 rows · snapshot 2026-10-14 00:43:21 · from data/public/prices.json + measurements.json