Grok 4.3on Krater.ai
xAI's Grok 4.3 is the latest flagship in the Grok family, with a 1M-token context window, improved reasoning, and real-time knowledge access. Built for truth-seeking conversation and complex problem solving.
Released April 30, 2026
Specifications
Grok 4.3 at a glance
Context
1M tokens
Max output
900K tokens
Input
Text, Image, File
Output
Text
Input price
$1.25 / 1M
Output price
$2.50 / 1M
Krater rank
#24
Is Grok down?
Grok not responding? The live Grok status page tracks xAI incidents and the closest models on Krater.
Live Grok statusCapabilities
What it is good at
Catalog capabilities
- Accepts image input
- Generates text responses
- Supports tool calling
- Supports structured outputs
- 1M-token context for huge documents
- Real-time knowledge access
Good for
Benchmarks
Catalog data, not Krater benchmarks.
Coding index score
42.2
Agentic index score
15.5
Intelligence index score
24.9
Design Arena pptxslides rank
#8
Design Arena agentichtmlslides rank
#9
Compare
Compare Grok 4.3
Grok 4.3 vs SpaceXAI: Grok 4.7
Grok 4.7 is SpaceXAI's flagship model for coding, agentic tasks, and knowledge work, succeeding Grok 4.6.
Open comparisonGrok 4.3 vs SpaceXAI: Grok 4.20 Multi-Agent
Grok 4.20 Multi-Agent is a variant of SpaceXAI’s Grok 4.20 designed for collaborative, agent-based workflows.
Open comparisonGrok 4.3 vs SpaceXAI: Grok 4.6
Grok 4.6 is a model from SpaceXAI with frontier performance on coding, knowledge work, and STEM. It is succeeded by Grok 4.7.
Open comparisonFAQ
Questions about Grok 4.3
Clear answers based on the model catalog and Krater access.