Maker of Grok models for fast coding and product-building loops. xAI’s coding models on Kilo Code include Grok 4.3, Grok Build 0.1, and Grok Code Fast 1. Use them across VS Code, JetBrains IDEs, Cursor, Windsurf, Trae, and the Kilo CLI — with pay-as-you-go pricing and no markup over the underlying provider rates.
Sorted by coding-index where published. Click any model for the full review with benchmarks, real-world Kilo usage, and provider-specific pricing.
xAI
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...
xAI
Grok Build 0.1 is xAI’s fast coding model trained specifically for agentic software engineering workflows. It supports text and image inputs with text output, and is optimized for interactive coding...
xAI
Grok Code Fast 1 is a speedy and economical reasoning model that excels at agentic coding. With reasoning traces visible in the response, developers can steer Grok Code for high-quality...
xAI builds the Grok family, which tends to prioritize fast interactive reasoning and a direct style that works well for product-building loops. Grok Code Fast is the recognizable specialist release for coding agents, while larger Grok models cover broader reasoning and implementation tasks.
Pay-as-you-go, no markup over the underlying provider rates. Cheapest first.
| Model | Input / 1M | Output / 1M | Context | Coding index |
|---|---|---|---|---|
| xAI: Grok Code Fast 1 | $0.200 | $1.50 | 256K | — |
| xAI: Grok Build 0.1 | $1.00 | $2.00 | 256K | — |
| xAI: Grok 4.3 | $1.25 | $2.50 | 1000K | 42.2 |
Two ways: hosted in Kilo with no setup, or through your own provider keys.
The fastest path: install Kilo Code, sign in, pick xai from the model picker. No API keys, no markup. Works in VS Code, JetBrains, Cursor, Windsurf, Trae, and the Kilo CLI.
See live model leaderboard →Already have an account with xAI, OpenRouter, AWS Bedrock, Google Vertex, Together AI, or another compatible provider? Plug your key into Kilo Code and keep your existing billing relationship.
BYOK setup guide →See coding-model lineups from xAI’s closest competitors.
xAI’s flagship is among the strongest coding models on the Kilo Code leaderboard, ranked by Code, Plan, Ask, Debug, and Review usage.
VS Code, Cursor, Windsurf, Trae, JetBrains IDEs (IntelliJ, PyCharm, WebStorm, GoLand, RubyMine, Android Studio), and the Kilo CLI / terminal.
Switch between xAI and 500+ other models with one click. Pay only for what you use, at the underlying provider rate.
Use the latest high-ranking Grok model for complex coding. Grok Code Fast is the specialist option when low-latency coding-agent loops matter most.
xAI Grok models work in VS Code, Cursor, Windsurf, Trae, JetBrains IDEs, and the Kilo CLI.
xAI model pricing is shown in Kilo Code per model and billed with no markup over provider rates.
No. The Grok models available in Kilo Code are hosted API models.
General Grok models target broad reasoning and implementation, while Grok Code Fast is tuned for fast software-engineering tasks.
xAI Grok models work in VS Code, Cursor, Windsurf, Trae, JetBrains IDEs, and the Kilo CLI.
Install Kilo Code and get instant access to xAI: Grok 4.3 and 2 other xAI models, plus 500+ frontier and open-source options. Free to start, no credit card required.