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
#39
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 4.3 (batch)
Grok 4.3 is a reasoning model from SpaceXAI. It accepts text and image inputs with text output, and is suited for agentic workflows, instruction-following tasks, and applications requiring high factual
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 comparisonFAQ
Questions about Grok 4.3
Clear answers based on the model catalog and Krater access.