xAI: Grok 4.3

X-AI Developer Architecture Profile

Intelligence (ELO)1579Chatbot Arena Verified

Max Context1,000,000Tokens

API Cost / 1M$3.75Blended Prompt + Completion

Model Capabilities

Reasoning
Top Tier
Coding & Logic
Fictional

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

Granular Pricing Matrix

Input Tokens (Prompt)$1.25 / 1M

Output Tokens (Completion)$2.50 / 1M

Pricing data via OpenRouter. Sync: 5/1/2026

Evaluate Competitors

VS Engine MatchupxAI: Grok 4.3 vs DeepSeek: DeepSeek V4 Pro VS Engine MatchupxAI: Grok 4.3 vs DeepSeek: DeepSeek V3.2 Speciale VS Engine MatchupxAI: Grok 4.3 vs xAI: Grok 4.20 Multi-Agent VS Engine MatchupxAI: Grok 4.3 vs Anthropic: Claude Opus 4.7 VS Engine MatchupxAI: Grok 4.3 vs Anthropic: Claude Opus 4.6 (Fast)VS Engine MatchupxAI: Grok 4.3 vs OpenAI: GPT-5.5 Pro