Context
1M
Max output
1M
Serving providers
6
Cheapest input
$1.25 /1M
On-demand listed rates, OpenRouter routed quotes and Vercel reseller quotes. Enterprise commitments (committed-use discounts, provisioned throughput, negotiated rates) can be materially lower.

Benchmarks

independent evaluations · source: Artificial Analysis
Speed & latency
Output speed
113 t/s
tokens / second
Time to first token
27.23s
latency
Headline indices
42.2
of 100
Frozen Sep 9, 2026
17.2
of 100
Frozen Sep 9, 2026
Individual benchmarks · click a row for effort variants
BenchmarkBest scoreEffortCost / task
Aa Analyst Agent0.1default—
AA-BriefcaseUndated13%default—
APEX Agents17%default—
Automation Bench0.0default—
CritPt8%default—
GDPval v2Frozen Aug 18, 20261098.6reasoning: false—
GPQA Diamond90%default—
Harvey Lab0.7default—
Humanity's Last Exam37%default—
IFBench83%medium—
IT-Bench SRE33%default—
Long-Context Reasoning75%medium—
Mlcr OverallFrozen Sep 9, 20260.1default—
MMMU-Pro78%default—
Omniscience18.0default—
Omniscience Accuracy0.3default—
Omniscience Non Hallucination0.8medium—
SciCode48%default—
Terminal Bench400default—
TerminalBench Hard38%default—
TerminalBench v2.140%default—
τ-bench Banking12%default—
τ²-bench98%default—
Artificial Analysis last published scores for this benchmark on Sep 9, 2026. Scores here are frozen at that date, and models released since are not on it.
We cannot tell whether this benchmark is still being published. Treat these scores as undated.
Artificial Analysis last published scores for this benchmark on Aug 18, 2026. Scores here are frozen at that date, and models released since are not on it.

Pricing detail

cost beyond the standard rate · source: models.dev
Long context (>200K)
$2.83 / $5.67
input / output · per 1M

Pricing by serving provider

standard tier · per 1M tokens · click a provider to expand
Serving providerInput /1MOutput /1MEndpoints
Azure$1.25$2.501
Amazon Bedrock$1.25$2.501
OpenRouter$1.25$2.501
VercelVercel reseller quote$1.25$2.501
Vertex AI$1.25$2.501
xAICheapest$1.25$2.501
Standardxai/grok-4.3
ComponentUnitStandardBatch
Text cached in/1M tok$0.20—
Text input/1M tok$1.25$1.00
Text output/1M tok$2.50$2.00
OpenRouter (batch)$1.00$2.001
Vercel (long context, from 200K tokens)Vercel reseller quote$2.50$5.001
Vercel is dearest at $2.50 / $5.00

Price history

listed seller prices, input and output per 1M tokens
Input Output
$0.00$1.00$2.00$3.00May 7Jul 4Aug 16Sep 26$2.50$1.25

Cost calculator

estimate your monthly spend on this model
$450
estimated / month

Model IDs

copy the exact identifier for your platform
x-ai/grok-4.3:batchx-ai/grok-4.3bedrock_mantle/xai.grok-4.3azure_ai/grok-4.3vertex_ai/xai/grok-4.3spacexai/grok-4.3xai/grok-4.3spacexai/grok-4.3spacexai/grok-4.3

Frequently asked questions

Grok 4.3 pricing, context and availability

How much does Grok 4.3 cost?

Grok 4.3 costs $1.25 per 1M input tokens from xAI, and $2.50 per 1M output tokens from xAI.

What is the context window of Grok 4.3?

Grok 4.3 accepts up to 1M tokens of context and can return up to 1M output tokens.

Which providers serve Grok 4.3?

Grok 4.3 is available from 6 serving providers, each with its own pricing and model ID. xAI is currently the cheapest.

What can Grok 4.3 do?

Grok 4.3 supports image input (vision), tool use, reasoning, prompt caching, structured output and web search.

Other xAI models

compare pricing across the xAI lineup

Popular comparisons

head-to-head pages featuring Grok 4.3
Listed prices from LiteLLM, OpenRouter and Vercel · last checked Oct 14, 2026

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