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Grok 4.3 API Pricing 2026

Compare pricing, benchmarks, and providers for Grok 4.3. Find the best value for your use case.

8 Ways to Use Fewer Tokens
Last updated: October 25, 2026 at 08:34 AM

Overview

Grok 4.3. Pricing starts at $1.25 per million input tokens and $2.50 per million output tokens. The model supports a context window of up to - tokens. API access is available through xAI.

Context Window
-
tokens
Pricing
Input$1.25
Output$2.50
per 1M tokens
Speed
Output-
TTFT-
median latency
Capabilities
Text only

Grok 4.3 is priced at $1.25 per million input tokens and $2.50 per million output tokens. It is available from 2 providers, with OpenRouter the cheapest at $1.25 per million input tokens (input prices range from $1.25 to $2.50). On benchmarks, Grok 4.3 scores Intelligence 14.0 (56th percentile), Coding 35.2 (45th percentile), GPQA 65.8 (48th percentile). Over the past ~90 days its cheapest input price has risen 100%, from $1.25 to $2.50 per million tokens.

Pricing Comparison

Compare Grok 4.3 with 10 similar models by price.

Current Pricing (per 1M tokens)

11 models

Provider
Model
Input $/M
Output $/M
Coding
MMLU
GPQA
Context
Actions
$1.250
$2.500
—
—
—
1,000,000
Try
$1.250
$2.500
—
—
65.8
-
Try
$1.100
$4.400
73.4
80.2
77.3
200,000
Try
$1.200
$4.000
—
—
84.7
202,752
Try
$1.200
$4.000
—
—
80.9
202,752
Try
$1.200
$1.200
—
—
—
65,336
Try
$1.200
$1.200
14.8
53.7
33.2
65,536
Try
$1.250
$2.500
—
—
—
2,000,000
Try
$1.250
$2.500
—
—
—
2,000,000
Try
$1.250
$7.500
—
—
74.8
1,050,000
Try
$1.250
$10.000
—
—
—
131,072
Try

* Some models use tiered pricing based on prompt length. Displayed prices are for prompts ≤ 200k tokens.

Compare Providers

Grok 4.3 is available from multiple providers with different pricing and availability.

2
Providers
$1.250
Cheapest Input/M
$2.500
Cheapest Output/M
OpenRouter
Best Price

Provider Pricing

2 models

Provider
Input $/M
Output $/M
Cache Read $/M
Cache Write $/M
Uptime
OpenRouter
OpenRouter
Best Price
$1.250
$2.500
$0.200
-
-
xAI
xAI
$2.500
$5.000
$0.400
-
-
Provider pricing data sourced from OpenRouter and Helicone

Community Rankings

How does Grok 4.3 perform? Vote based on your experience.

Cost vs. Quality

Compare Grok 4.3's benchmark performance against all models.

X-axis:
Y-axis:
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Other models

Detailed Benchmark Scores

Intelligence
14.0 (56th pct)
Coding
35.2 (45th pct)
Math
-
MMLU Pro
-
GPQA
65.8 (48th pct)
LiveCodeBench
-
AIME
-
Aider
-
Benchmark data from Artificial Analysis and HuggingFace Open LLM Leaderboard

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Frequently Asked Questions

Grok 4.3 costs $0.001250 per 1,000 input tokens and $0.002500 per 1,000 output tokens.
Grok 4.3 is available from 2 providers. OpenRouter offers the best price.
OpenRouter offers Grok 4.3 at $1.25 per million input tokens, the lowest of 2 providers (input prices range from $1.25 to $2.50 per million tokens).
Grok 4.3 scores Intelligence 14.0 (56th percentile), Coding 35.2 (45th percentile), GPQA 65.8 (48th percentile). Only benchmarks with published data for this model are shown.
Yes. Over the past ~90 days, the cheapest input price for Grok 4.3 has increased 100%, from $1.25 to $2.50 per million tokens.
We compare Grok 4.3 with 10 similarly-priced models. See the benchmark scatter plot above to compare quality vs cost.

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