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...
53.9
Quality Score
1249
Arena ELO
Undisclosed
Parameters
1M
Context
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Apr 2026
Released
Launches
3
Pricing
2
Benchmarks
8
API
1
General
6
Recent launch, pricing, benchmark, and API signals linked to this model or its provider.
Quality: 53.2/100 | Price: $1.563/M tokens | Output: 82.977 tok/s | HumanEval: 0.473%
Grok is now available on Amazon Bedrock. AWS developers can now build with Grok 4.3, the industry leader in hallucination rate and tool calling, powered by Bedrock’s secure inference engine. https://t.co/g3zH8Fia8R
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Grok is now available on Amazon Bedrock. AWS developers can now build with Grok 4.3, the industry leader in hallucination rate and tool calling, powered by Bedrock’s secure inference engine. https://t.co/g3zH8Fia8R



Grok 4.3 is now live on the xAI API. It’s our fastest, most intelligent model to date. It tops the @ArtificialAnlys leaderboards in agentic tool calling and instruction following, and ranks #1 in @ValsAI enterprise domains like case law and corporate finance. Grok 4.3 supports https://t.co/83NiWoFDY2
Quality: 53.2/100 | Price: $1.563/M tokens | Output: 85.701 tok/s | HumanEval: 0.473%
Quality: 53.2/100 | Price: $1.563/M tokens | Output: 81.794 tok/s | HumanEval: 0.473%
Quality: 53.2/100 | Price: $1.563/M tokens | Output: 90.385 tok/s | HumanEval: 0.473%
Quality: 53.2/100 | Price: $1.563/M tokens | Output: 79.906 tok/s | HumanEval: 0.473%
Quality: 53.2/100 | Price: $1.563/M tokens | Output: 104.222 tok/s | HumanEval: 0.473%
Quality: 53.2/100 | Price: $1.563/M tokens | Output: 104.627 tok/s | HumanEval: 0.473%
Quality: 53.2/100 | Price: $1.563/M tokens | Output: 151.612 tok/s | HumanEval: 0.473%