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SpaceXAI: Grok 4.3 (batch): AI model

Context window:
1,000,000 tokens
Input:
$1/1M tokens
Output:
$2/1M tokens
Type:
text, image
  • Vision
  • Tools
  • Streaming
  • Long context

Thinking levels: high · medium · low · none

SpaceXAI: Grok 4.3 (batch) is a AI model from xAI, available through Hormouz via an OpenAI-compatible API with stable access from inside Iran.

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...

Quickstart

curl https://api.hormouz.net/v1/chat/completions \
  -H "Authorization: Bearer ng-YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "x-ai/grok-4.3:batch",
    "messages": [{"role": "user", "content": "Hello!"}]
  }'

Specs

VendorxAI
TypeText, Image
Context window1,000,000 tokens
Pricing$1.00/M in · $2.00/M out
APIChat Completions
CapabilitiesStreaming · Vision · Tools

Benchmarks

14
Intelligence Index
Better than 23% of models we compared
35.2
Coding Index
Better than 37% of models we compared
14
Agentic Index
Better than 39% of models we compared

Reasoning

GPQA Diamond
Graduate-level scientific reasoning
65.8%
HLE
Humanity's Last Exam
6.8%
IFBench
Instruction-following
47.6%
AA-LCR
Long-context reasoning
32.3%
CritPt
Research-level physics reasoning
0%
AA Omniscience
Broad factual knowledge accuracy
23.7%
Non-Hallucination
Rate of avoiding fabricated answers
25.5%

Coding

SciCode
Python for scientific computing
39.4%
Terminal-Bench Hard
Agentic coding & terminal use
18.9%

Agentic

τ²-Bench
Tool-use agents in dual-control scenarios
65.8%
GDPval
Economically valuable tasks
22.3%

Source: Artificial Analysis

Ranking distribution

First
50,527
Second
64,994
Third
18,547
Fourth
14,103

25220 tournaments ?

Agentic Game Dev
Top 100%
1,007Elo
Win rate: 28.8%
Agentic HTML Slides
Top 100%
1,066Elo
Win rate: 31.8%
Agentic Slides
Top 100%
1,072Elo
Win rate: 31.9%
Agentic Slides (HTML)
Top 100%
1,066Elo
Win rate: 31.7%
Agentic Slides (Python)
Top 100%
1,068Elo
Win rate: 32.4%
Android Native
Top 100%
975Elo
Win rate: 22.7%
Full-Stack
Top 93%
1,004Elo
Win rate: 28%
Godot Game Dev
Top 100%
914Elo
Win rate: 20.7%
HTML Slides
Top 100%
1,008Elo
Win rate: 28.4%Avg time: 87.1s
Mobile Apps
Top 96%
1,058Elo
Win rate: 34.2%
PPTX Slides
Top 100%
1,071Elo
Win rate: 32.5%
Python Slides
Top 100%
1,072Elo
Win rate: 30.8%Avg time: 155s
Web Apps
Top 71%
1,120Elo
Win rate: 43.3%
3D
Top 57%
1,135Elo
Win rate: 41.2%Avg time: 46.0s
ASCII Art
Top 66%
1,141Elo
Win rate: 43.4%Avg time: 28.2s
Code
Top 40%
1,193Elo
Win rate: 44.2%Avg time: 67.1s
Data Viz
Top 48%
1,188Elo
Win rate: 45.4%Avg time: 65.9s
Game Dev
Top 43%
1,189Elo
Win rate: 44.1%Avg time: 79.5s
SVG
Top 72%
1,082Elo
Win rate: 37.8%Avg time: 27.7s
UI Component
Top 41%
1,199Elo
Win rate: 45.4%Avg time: 52.3s
Website
Top 41%
1,202Elo
Win rate: 44.6%Avg time: 68.3s

Metrics sourced from Design Arena

Code example

cURL
curl https://api.hormouz.net/v1/chat/completions \
  -H "Authorization: Bearer ng-YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "x-ai/grok-4.3:batch",
    "messages": [{"role": "user", "content": "Hello!"}]
  }'
Python
from openai import OpenAI
client = OpenAI(api_key="ng-YOUR_API_KEY", base_url="https://api.hormouz.net/v1")
response = client.chat.completions.create(
    model="x-ai/grok-4.3:batch",
    messages=[{"role": "user", "content": "Hello!"}],
)
print(response.choices[0].message.content)
JavaScript
import OpenAI from "openai";
const client = new OpenAI({ apiKey: "ng-YOUR_API_KEY", baseURL: "https://api.hormouz.net/v1" });
const response = await client.chat.completions.create({
  model: "x-ai/grok-4.3:batch",
  messages: [{ role: "user", content: "Hello!" }],
});
console.log(response.choices[0].message.content);

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Updated 2026-10-13