Grok 4.3 (high)
SpaceXAIGrokProprietary
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
38
general
43
coding
90
reasoning
65
science
40
agents
80
multimodal
Rankings
| Domain | #Rank | Score | Source |
|---|---|---|---|
| Agentic Capability | 89 | 42.0 | LS |
| Code Ranking | 160 | 61.0 | AA |
| General Ranking | 53 | 79.0 | AA |
| Math Reasoning | 26 | 84.0 | LB |
| Reasoning | 33 | 71.0 | LB |
| Science | 54 | 80.0 | AA |
Benchmark Scores (LLM Stats)
(LLM Stats (zeroeval))Agents
Finance Agent v2
37.7%
AA Evaluation Indices
(Artificial Analysis)Coding Index(Artificial Analysis)42.2
Intelligence Index(Artificial Analysis)37.9
Tau2(Sierra + U Toronto + Vector Institute (2025))1.0
Gpqa(NYU + Cohere + Anthropic (2023))0.9
Ifbench(Google Research (2023))0.8
Lcr(Artificial Analysis)0.7
Scicode(UIUC + Argonne National Lab (2024))0.5
Terminalbench V2 10.4
Terminalbench Hard(Stanford × Laude Institute (2026))0.4
Hle(Center for AI Safety + Scale AI (2025))0.4
Tau Banking0.1
LLM Stats Category Scores
(LLM Stats (zeroeval))Reasoning40
Finance40
General40
Agents40
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/sec0.0
Time to First Token0.00s
Time to Answer0.00s
Provider Price Ranking
Provider Price Ranking
9 providers
Cheapest: xAIMost Expensive: Venice AI
ProviderInputOutput
1xAICheapest
$0
$0
2SpaceXAIPRIMARY
$1.25
$2.5
3Abacus
$1.25
$2.5
4FrogBot
$1.25
$2.5
5AIHubMix
$1.25
$2.5
6LLM Gateway
$1.25
$2.5
7Auriko
$1.25
$2.5
8DaoXE
$1.25
$2.5
9Venice AI
$1.42
$2.83
Compare pricing across different API providers for this model.