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Grok 4.3 (high)

xAIGrok

Description

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.

Release Date
2026-04-30
Parameters
Context Length
1.0M
Modalities
image, pdf, text

Capability Radar

37
general
43
coding
90
reasoning
64
scienceest.
100
agents
80
multimodal

Science uses a reasoning proxy when dedicated science benchmarks are unavailable.

Rankings

Domain#RankScoreSource
Code Ranking106
64.0
AA
General Ranking22
80.0
AA
Science25
80.0
AA

Benchmark Scores (LLM Stats)

Agents

GDPval-AA1100.00 / 3000SR
Finance Agent v237.7%SR

AA Evaluation Indices

Coding Index
42.2
Intelligence Index
37.6
Tau2
1.0
Gpqa
0.9
Ifbench
0.8
Lcr
0.6
Scicode
0.5
Terminalbench V2 1
0.4
Terminalbench Hard
0.4
Hle
0.3
Tau Banking
0.1

LLM Stats Category Scores

Legal
100
General
100
Reasoning
100
Finance
100
Agents
100

Pricing

Input Price$1.25 / 1M tokens
Output Price$2.5 / 1M tokens
Blended Price (3:1)$1.563 / 1M tokens
Cache Read Price$0.2 / 1M tokens

Speed

Tokens/sec182.1
Time to First Token21.91s
Time to Answer21.91s

Provider Price Ranking

Provider Price Ranking

1 providers

ProviderInputOutput
1xAIPRIMARY
$1.25
$2.5

Compare pricing across different API providers for this model.

External Sources