Requesty
xAI Corp.

grok-4

xAI's latest and greatest flagship model, offering unparalleled performance in natural language, math and reasoning - the perfect jack of all trades.

👁Vision🔧Tool calling⚡Caching🖥Computer use
Try grok-4CompareDocs

Specifications

Context window256K tokens
Max output—
API typechat
AddedOct 16, 2025
Model IDxai/grok-4
Data retentionYes (30 days)
Used for trainingUnknown
Provider location🇺🇸 US
Privacy policyxAI Privacy Policy →

Benchmarks

Released 2025-07
SWE-Bench Verifiedcoding
72.5%

Resolving real GitHub issues from 12 popular Python repositories.

GPQA Diamondreasoning
87.5%

Graduate-level physics, chemistry & biology questions designed to resist Googling.

MMLU Proknowledge
87.5%

Massive Multitask Language Understanding across 57 academic subjects.

Scores are sourced from official model cards, Artificial Analysis, and public leaderboards. Benchmarks measure specific skills and do not capture every aspect of model quality — always test on your own workload.

Pricing

Input / 1M
$3.00
Output / 1M
$15.00
Cache write / 1M
$3.00
Cache read / 1M
$0.75
Estimated cost
100K input + 10K output$0.45
1M input + 100K output$4.50
10M input + 1M output$45.00

Requesty charges exactly what the upstream provider charges — no markup, no per-request fees. Prompt caching and smart routing can reduce effective cost by 30-80%.

Quickstart

Drop-in compatible with the OpenAI SDK. Change the base URL, swap in your Requesty API key, and set the model to xai/grok-4.

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from openai import OpenAI

client = OpenAI(
    api_key="YOUR_REQUESTY_API_KEY",
    base_url="https://router.requesty.ai/v1",
)

response = client.chat.completions.create(
    model="xai/grok-4",
    messages=[
        {"role": "user", "content": "Explain quantum computing in one paragraph."},
    ],
)

print(response.choices[0].message.content)

Other xAI Corp. models

grok-4.2-beta
2M ctx$2.00/1M
grok-4-1-fast-non-reasoning
2M ctx$0.20/1M
grok-4-1-fast-reasoning
2M ctx$0.20/1M
grok-code-fast-1
256K ctx$0.20/1M
grok-3
131K ctx$5.00/1M
SWE-Bench 58%
grok-2-1212
131K ctx$2.00/1M

Frequently asked questions

How much does grok-4 cost?
grok-4 is priced at $3.00 per million input tokens and $15.00 per million output tokens when accessed via Requesty. Prompt caching is supported, which can cut effective input cost by up to 90% on repeated context. Requesty charges exactly what the upstream provider charges — we don't add markup.
What is the context window of grok-4?
grok-4 has a context window of 256K tokens. That's roughly 341 words of input you can fit in a single prompt.
How does grok-4 perform on benchmarks?
grok-4 scores 94.1% on MATH, 93.8% on HumanEval, 90.1% on AIME 2024. See the full benchmark chart above for results across MMLU Pro, GPQA Diamond, SWE-Bench Verified, HumanEval, MATH, AIME, MMMU, and LiveBench.
What can grok-4 do?
grok-4 supports vision input, tool calling, prompt caching, computer use. You can call it through any OpenAI-compatible client by pointing base_url to Requesty.
How do I use grok-4 with the OpenAI SDK?
Install the OpenAI SDK, set base_url to "https://router.requesty.ai/v1", set your API key to your Requesty key, and set the model to "xai/grok-4". The Quickstart above shows Python, JavaScript and cURL snippets.

Access grok-4 through Requesty

One API key, 400+ models, OpenAI-compatible. No markup on provider prices, automatic failover, and smart caching built-in.

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