advanced reasoning 4.3 engine
solve graduate-level math and logic with a projected 86.4% on the MATH benchmark.

text
text
discover the technical advantages that set ai grok 4.3 apart from other reasoning models.
solve graduate-level math and logic with a projected 86.4% on the MATH benchmark.

process massive repositories and legal files with high-accuracy needle retrieval.

build software with a built-in python sandbox for real-time code verification.

incorporate live data from X and the web for news-sensitive queries and trend analysis.

Follow these simple steps to set up your account, get credits, and start sending API requests to grok 4.3 via GPT Proto.

Sign up

Top up

Generate your API key

Make your first API call

Wondering about xAI Grok API pricing in 2026? This guide breaks down every Grok model's token rates, subscription tiers, free credits, and how it stacks up against GPT and Claude — so you can pick the right plan without overpaying.

The Grok 4.3 benchmark reveals a major leap in emotional inference and logic verification. Explore how the 4-agent architecture improves AI accuracy now.

Is the grok ai api worth it? Learn the real costs of video generation, moderation fees, and how to optimize your build. Get started today.

Grok 4.1 brings high EQ and real-time search to the AI race. Discover if its personality-driven approach beats the competition. Read our full analysis.