Question 1

What is Grok 4.3 (batch)?

Accepted Answer

Grok 4.3 (batch) is a model from xAI, released on Sep 4, 2026. 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...

Question 2

How much does Grok 4.3 (batch) cost?

Accepted Answer

On the Respan gateway, input starts at $1.00 per 1M tokens on OpenRouter, and output starts at $2.00 per 1M tokens on OpenRouter, after gateway discounts.

Question 3

Which providers serve Grok 4.3 (batch) on Respan?

Accepted Answer

Grok 4.3 (batch) is served by OpenRouter.

Question 4

What is Grok 4.3 (batch)'s context window?

Accepted Answer

Grok 4.3 (batch) accepts up to 1M tokens of context.

Question 5

How do I use Grok 4.3 (batch) with the Respan gateway?

Accepted Answer

Point any OpenAI-compatible SDK at https://api.respan.ai/api/ with your Respan API key and set the model to "grok-4.3:batch". To set it up with a coding agent, copy the agent setup prompt at the top of this page.

Question 6

Where does Grok 4.3 (batch) rank on the Respan Index?

Accepted Answer

Grok 4.3 (batch) scores 20.7 out of 100 on the Respan Index v1.1, ranking #92 of 138 models. By category: Coding 5.8, Agents 6.1, Reasoning 28.2, Knowledge & language 32.8, and Human preference 49.1. The Respan Index combines independent and lab-reported benchmark results into one score, using benchmark data collected by llmmetric.com.

Question 7

How does Grok 4.3 (batch) score on benchmarks?

Accepted Answer

Grok 4.3 (batch) has 22 published benchmark scores, including LiveBench Coding 69.9%, LiveBench Agentic Coding 18.5%, and GPQA Diamond 88.8%. Each score links to where it was published; the data is collected by llmmetric.com.

Grok 4.3 (batch)

Providers

Pricing

Cost by volume

Benchmarks

Certified where it counts.

Respan Indexv1.1

Coding2

Agents2

Reasoning4

Math6

Knowledge4

Arena3

Other1

Apps

Grok 4.3 (batch) FAQ

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