---
title: "Grok 4.3 API pricing: ⁨$1.25⁩ in, ⁨$2.50⁩ out · DotsAgent"
description: "Grok 4.3 by xAI: price per million input, cached and output tokens, context window, agent features and what a real agent task costs on it."
url: https://dotsagent.io/models/grok-4-3
---

[xAI](https://dotsagent.io/providers/xai)

· Workhorse

# Grok 4.3 API pricing and specs

xAI's cheapest general model with a million-token context window.

Input

$1.25

Cached input

$0.20

Output

$2.50

US dollars per million tokens, standard tier, short-prompt rate

xAI did not publish a release date we could confirm. Prompts of 200K tokens or more are billed at the higher rate for every token in the request.

Prompts over 200K tokens are billed at $2.50 input, $0.40 cached and $5 output per million, and the higher rate applies to the whole request.

## Spec sheet

- **API model string**: `grok-4.3`
- **Provider**: [xAI](https://dotsagent.io/providers/xai)
- **Context**: 1M tokens
- **Max output**: —
- **Released**: —
- **Batch API**: No batch discount listed
- **Documented agent features**: Tool callingStructured output

## What a task costs

Four reference workloads priced at this model's list rates, with caching applied after the first call. Your numbers will differ; the calculator lets you change every assumption.

| Workload | Per task | Per 1,000 tasks |
| --- | --- | --- |
| Support bot 4 calls, short tool lookups | $0.027 | $27 |
| Coding agent 30 calls, files and test output | $1.31 | $1,314 |
| Browser agent 25 calls, screenshots and page text | $0.898 | $898 |
| Research agent 15 calls, long search results | $0.779 | $779 |

[Change the assumptions](https://dotsagent.io/cost#model=grok-4-3)

## Other xAI models

- [Grok 4.7](https://dotsagent.io/models/grok-4-7): $2 / $6

- [Grok Build 0.1](https://dotsagent.io/models/grok-build-0-1): $1 / $2

## Similar cost elsewhere

Models from other providers whose cost on the 30-step coding workload is closest to this one.

- [Muse Spark 1.3](https://dotsagent.io/models/muse-spark-1-3): $1.23 per coding task

- [Gemini 3.5 Flash](https://dotsagent.io/models/gemini-3-5-flash): $1.54 per coding task

- [Qwen3.8-Max](https://dotsagent.io/models/qwen3-8-max): $1.63 per coding task

- [GLM-5.3](https://dotsagent.io/models/glm-5-3): $1.63 per coding task

## Sources

1. [docs.x.ai](https://docs.x.ai/docs/models)/docs/models

Independent reference for people who build AI agents. Not affiliated with any vendor named here.

© 2026 DotsAgent · Facts checked October 1, 2026