xAI: Grok 4.3
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...
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Benchmarking xAI: Grok 4.3
Coding Performance
Coding benchmarks and performance metrics for development tasks
Coding Benchmarks
| Benchmark | Score |
|---|---|
| AA Coding Index | 41.0% |
| SciCode | 47.3% |
| TerminalBench Hard | 37.9% |
| LCR | 64.3% |
| IFBench | 81.3% |
Speed & Efficiency
| Metric | Value |
|---|---|
| Output Speed | 116 tok/s |
Performance metrics from Artificial Analysis
Real-World Usage
Real-world usage statistics from the Kilo Code community
Weekly Token Usage
Mode Rankings (Last Week)
Where this model ranks for each built-in mode
Code
Write, modify, and refactor code
Ask
Get answers and explanations
Debug
Diagnose and fix software issues
Orchestrator
Coordinate tasks across multiple modes
Real-world metrics from the Kilo Code Leaderboard
Pricing
Cost per 1 million tokens
Example Cost
Analyzing a 10,000 line codebase (≈40k input tokens, 10k output tokens) costs approximately $0.0750
Coding Capabilities
Features and parameters relevant to coding tasks
Coding Features
Pricing details from OpenRouter
Technical Details
Architecture and implementation specifications
- Model ID
- x-ai/grok-4.3
- Artificial Analysis Slug
- grok-4-3
- Created
- April 30, 2026
- Tokenizer
- Grok
- Input Modalities
- text, image
- Context Window
- 1,000,000 tokens
- Input Price
- $1.25 per 1M tokens
- Output Price
- $2.50 per 1M tokens
- Cache Read Price
- $0.20 per 1M tokens
- Content Moderation
- Disabled
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