Context
500K
Max output
500K
Serving providers
2
Cheapest input
$2.00 /1M
Prices are on-demand list rates. Enterprise commitments (committed-use discounts, provisioned throughput, negotiated rates) can be materially lower.

Benchmarks

independent evaluations · source: Artificial Analysis
Speed & latency
Output speed
52 t/s
tokens / second
Time to first token
15.04s
latency
Headline indices
72.4
of 100
48.9
of 100
Individual benchmarks · click a row for effort variants
BenchmarkBest scoreEffortCost / task
Aa Analyst Agent0.3default
Automation Bench0.5default
CritPt15%default
GDPval1524.4default
GPQA Diamond93%default
Harvey Lab0.9default
Humanity's Last Exam43%default
Long-Context Reasoning74%default
Mlcr Overall0.1default
MMMU-Pro80%default
Omniscience25.3default
Omniscience Accuracy0.5default
Omniscience Non Hallucination0.5default
SciCode54%default
TerminalBench v2.182%default
τ-bench Banking42%default

Pricing detail

cost beyond the standard rate · source: models.dev
Long context (>200K)
$4.53 / $13.60
input / output · per 1M

Pricing by serving provider

standard tier · per 1M tokens · click a provider to expand
Serving providerInput /1MOutput /1MEndpoints
xAICheapest$2.00$6.001
EndpointStd inStd outCached inBatch in / outModel ID
StandardCheapest$2.00$6.00$0.30xai/grok-4.5
OpenRouterCheapest$2.00$6.001

Price history

input + output $/1M since we started tracking
Input Output
$0.000$2.00$4.00$6.00Jul 10Jul 19Aug 12$6.00$2.00

Cost calculator

estimate your monthly spend on this model
$880
estimated / month

Model IDs

copy the exact identifier for your platform
xai/grok-4.5x-ai/grok-4.5

Frequently asked questions

Grok 4.5 pricing, context and availability

How much does Grok 4.5 cost?

Grok 4.5 costs $2.00 per 1M input tokens and $6.00 per 1M output tokens at its cheapest provider via xAI.

What is the context window of Grok 4.5?

Grok 4.5 accepts up to 500K tokens of context and can return up to 500K output tokens.

Which providers serve Grok 4.5?

Grok 4.5 is available from 2 serving providers, each with its own pricing and model ID. xAI is currently the cheapest.

What can Grok 4.5 do?

Grok 4.5 supports image input (vision), tool use, reasoning, prompt caching, structured output and web search.

Other xAI models

compare pricing across the xAI lineup
Pricing verified against LiteLLM + OpenRouter + provider pages · refreshed daily

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