x-ai

SpaceXAI: Grok 4.3 (batch)

This AI model, Grok 4.3, is provided by x-ai and supports multiple input modalities: text, image, and file. It also offers context lengths of up to 1 million tokens and can handle lengthy inputs with max completion tokens of 900,000. Grok 4.3 may be worth considering for those who need support for complex reasoning or integration with tools, as it claims to offer these features. Its pricing structure is $1 per million input tokens and $2 per million output tokens, which may be a factor in the decision-making process. The model has been benchmarked with a blended score of 39.3 across one independent assessment; its performance is untested in other areas due to limited coverage.

Quality Score
100/100
price + capability + benchmarks
Input Price
$1.00
per 1M tokens · checked 2026-10-13
Output Price
$2.00
per 1M tokens · checked 2026-10-13
Context Window
1,000,000
tokens

Benchmark results

Independent, published benchmarks. Blended score 39.3 across 1 benchmark, last refreshed 2026-10-13. How scoring works →

BenchmarkMeasuresScore
AI Index broad capability composite 41.1
Model ID
x-ai/grok-4.3:batch
Vendor
x-ai
Released
April 2026
Tokenizer
Grok
Input Modalities
text, image, file
Output Modalities
text
Max Output
900,000 tokens
Tool Calling
✓ supported
Structured Output
✓ supported
Reasoning Mode
✓ supported
Vision
✓ accepts images
Audio
no
Moderated
no

What it costs in practice

Computed from the current $1.00/M input and $2.00/M output rates. Run your own numbers →

JobTokensCost
Summarize a 50-page report 30k in / 1.5k out $0.03
Classify 1,000 customer emails 500k in / 50k out $0.60
A month of a busy support chatbot 5M in / 2M out $9.00

Similar models

Quick answers

How much does SpaceXAI: Grok 4.3 (batch) cost?
$1.00 per million input tokens and $2.00 per million output tokens.
What is SpaceXAI: Grok 4.3 (batch)'s context window?
1,000,000 tokens, roughly 1,500 pages of text in a single request.
Does SpaceXAI: Grok 4.3 (batch) support tool calling?
It supports tool calling, structured output, a reasoning mode.
Can SpaceXAI: Grok 4.3 (batch) process images?
Yes, it accepts image input.

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