Grok 4.3 (Non-reasoning)

← AI Models
xAI
2026-04-30
Proprietary
Modality:
Intelligence
31
#154/521
Coding
25.1
#168/427
Math
Speed
64 tok/s
TTFT: 0.66s
Pricing
$1.25 / $2.50
per 1M tokens (in/out)
Google Preferred Source

Grok 4.3 is xAI’s newest flagship general-purpose model. xAI describes it as the most intelligent and fastest model it has built, with a 1 million token context window, reasoning support, function calling, structured outputs, prompt caching, and industry-leading non-hallucination, agentic tool calling, and instruction-following capabilities.

Grok 4.3 (Non-reasoning) is xAI’s model designed for various AI applications. It processes at 64.363 tokens per second and is priced at $1.25 per million input tokens, targeting professional users.

When to Use Grok 4.3 (Non-reasoning)

✓ Best For

  • Text generation tasks.
  • Basic coding assistance.
  • Data processing applications.

✗ Not Ideal For

  • Complex reasoning tasks.
  • High-level mathematical computations.

How Grok 4.3 (Non-reasoning) Compares

Intelligence Index · Higher is better

GoogleAnthropicxAIKimi

Benchmark Profile

Coding Index

OpenAIxAIGoogle

Output Speed · tok/s

MistralDeepSeekxAIAlibabaZ AI

Intelligence · Coding · Math

Intelligence Coding Math

All Benchmark Scores (9)

BenchmarkScore
Intelligence Index 31
Coding Index 25.1
GPQA 658%
HLE 65%
SciCode 37.4%
IFBench 47.6%
LCR 24.7%
TerminalBench Hard 18.9%
Tau2 65.8%

Data: Artificial Analysis · Updated: May 8, 2026

Frequently Asked Questions (15)

When was Grok 4.3 (Non-reasoning) released?
Grok 4.3 (Non-reasoning) was released on April 30, 2026.
Who created Grok 4.3 (Non-reasoning)?
Grok 4.3 (Non-reasoning) was created by xAI.
How intelligent is Grok 4.3 (Non-reasoning)?
Grok 4.3 (Non-reasoning) scores 31 on the Artificial Analysis Intelligence Index, placing it above average among other non-reasoning models in a similar price tier (median: 24).
How fast is Grok 4.3 (Non-reasoning)?
Grok 4.3 (Non-reasoning) generates output at 68.6 tokens per second (based on xAI's API), which is above average compared to other non-reasoning models in a similar price tier (median: 54.3 t/s).
What is the latency of Grok 4.3 (Non-reasoning)?
Grok 4.3 (Non-reasoning) has a time to first token (TTFT) of 0.75s (based on xAI's API), which is very competitive compared to other non-reasoning models in a similar price tier (median: 1.69s).
How much does Grok 4.3 (Non-reasoning) cost?
Grok 4.3 (Non-reasoning) costs $1.25 per 1M input tokens (better than average, median: $2.00) and $2.50 per 1M output tokens (very competitive, median: $8.00), based on xAI's API.
What is Grok 4.3 (Non-reasoning) API pricing?
Grok 4.3 (Non-reasoning) costs $1.25 per 1M input tokens and $2.50 per 1M output tokens (based on xAI's API). For a blended rate (3:1 input to output ratio), this is $1.56 per 1M tokens. Pricing may vary by provider.
How verbose is Grok 4.3 (Non-reasoning)?
When evaluated on the Intelligence Index, Grok 4.3 (Non-reasoning) generated 7.8M output tokens, which is better than average compared to other non-reasoning models in a similar price tier (median: 7.8M).
Is Grok 4.3 (Non-reasoning) a reasoning model?
No, Grok 4.3 (Non-reasoning) is not a reasoning model. It provides direct responses without extended chain-of-thought reasoning.
What input modalities does Grok 4.3 (Non-reasoning) support?
Grok 4.3 (Non-reasoning) supports text and image input.
What output modalities does Grok 4.3 (Non-reasoning) support?
Grok 4.3 (Non-reasoning) supports text output.
Can Grok 4.3 (Non-reasoning) process images?
Yes, Grok 4.3 (Non-reasoning) supports image input and can analyze, describe, and answer questions about images.
Is Grok 4.3 (Non-reasoning) multimodal?
Yes, Grok 4.3 (Non-reasoning) is multimodal. It can process text and image input and generate text output.
What is the context window of Grok 4.3 (Non-reasoning)?
Grok 4.3 (Non-reasoning) has a context window of 1.0M tokens. This determines how much text and conversation history the model can process in a single request.
Is Grok 4.3 (Non-reasoning) open source?
No, Grok 4.3 (Non-reasoning) is proprietary. The model weights are not publicly available.