How much does Grok 4.3 cost per token?

Grok 4.3 is priced at $1.25 per million input tokens and $2.50 per million output tokens, per OpenRouter as of Jul 8, 2026.

What is Grok 4.3's context window?

Grok 4.3 supports a context window of up to 1M tokens, per xAI.

How widely used is Grok 4.3?

Grok 4.3 accounts for about 0.2% of tracked OpenRouter coding-token volume as of Jul 7, 2026.

What are the alternatives to Grok 4.3?

By OpenRouter usage, comparable models include GLM 5.1, Laguna XS 2.1, and MiniMax M2.7. Side-by-side comparisons are linked in the alternatives table.

ModelsxAI

Grok 4.3

Name: Grok 4.3
Author: xAI

openrouter price docs

Context

tokens

Released

Apr 30, 2026

on OpenRouter

Usage rank

#40

of 41 tracked models

Token share

0.2%

OpenRouter · Jul 7, 2026

Pricing

Price per million tokens

Input $/MTok

$1.25

OpenRouter · Jul 8, 2026

Output $/MTok

$2.50

OpenRouter · Jul 8, 2026

Cache read $/MTok

$0.2

OpenRouter

Current Grok 4.3 prices per million tokens across tracked sources.
Source	Tracked slug	In $/MTok	Out $/MTok	Cache read	Cache write	Context	Effective	Last Δ (in)
OpenRouter	x-ai/grok-4.3	$1.25	$2.50	$0.2	—	1M	Jul 8, 2026	—
models.dev	nano-gpt/x-ai/grok-4.3	$1.25	$2.50	$0.2	—	1M	Jul 8, 2026	—

latest tracked price per source · Δ = most recent input-price move within that source

2 sources tracking

Input $/MTok

Output $/MTok

per-source step lines · $/MTok

history since Jul 8, 2026

Specs

Context & availability

Grok 4.3 specifications.
Provider	xAI
Context window	1M tokens
Listed on OpenRouter	Apr 30, 2026
Tracked price sources	OpenRouter · models.dev
OpenRouter slugs	x-ai/grok-4.3 · x-ai/grok-4.3-20260430

source: OpenRouter model catalog + tracked price feeds

id: grok-4-3

Usage

Share of OpenRouter tokens

90-day · to Jul 7, 2026

source: OpenRouter model rankings · share of tracked coding-token volume

0.2% on Jul 7, 2026

Benchmarks

Benchmark results

Benchmark scores for Grok 4.3.
Benchmark	Configuration	Score	Date	Source
AA Intelligence Index	x-ai/grok-4.3	37.6index	—	or-embedded-aa
AA Coding Index	x-ai/grok-4.3	42.2index	—	or-embedded-aa
AA Agentic Index	x-ai/grok-4.3	24.1index	—	or-embedded-aa

scores as published by each benchmark; configurations differ — compare within a row's benchmark only

Alternatives

Similar models

Alternatives to Grok 4.3 by OpenRouter usage-rank proximity.
#	Model	Tokens/day	7d Δ	Head-to-head
48	GLM 5.1Z.ai	18.5B	16.9%	vs Grok 4.3
50	Laguna XS 2.1Poolside	16.3B	—	vs Grok 4.3
45	MiniMax M2.7MiniMax	20.4B	7.2%	vs Grok 4.3
44	Kimi K2.5Moonshot AI	20.5B	0.6%	vs Grok 4.3

ranked by OpenRouter usage-rank proximity

snapshot Jul 7, 2026

FAQ

Grok 4.3 FAQ

How much does Grok 4.3 cost per token?: Grok 4.3 is priced at $1.25 per million input tokens and $2.50 per million output tokens, per OpenRouter as of Jul 8, 2026.
What is Grok 4.3's context window?: Grok 4.3 supports a context window of up to 1M tokens, per xAI.
How widely used is Grok 4.3?: Grok 4.3 accounts for about 0.2% of tracked OpenRouter coding-token volume as of Jul 7, 2026.
What are the alternatives to Grok 4.3?: By OpenRouter usage, comparable models include GLM 5.1, Laguna XS 2.1, and MiniMax M2.7. Side-by-side comparisons are linked in the alternatives table.

Alerts

Track Grok 4.3

Email me when Grok 4.3's price moves or it gets deprecated.