Grok 4.5
Grok 4.5 is xAI's newest flagship model, strong at real-time information, complex reasoning, and agentic tool use. It natively supports live web and X search, a strong reasoning mode, and function calling — a fit for up-to-date Q&A, research, and automation. Access the Grok 4.5 API on Velokey at a lower price — one API key, pay as you go, below official pricing.
ユースケース
Real-time research and market intel · Agents and business automation
入力
テキスト
出力
テキスト
課金方式
トークン課金
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下にメッセージを入力して始めましょう
登録で $0.5 分の無料クレジット。画像を約 20 枚無料生成できます
料金詳細
従量課金の透明な価格設定で、隠れた費用はありません。
料金詳細
使用量ベースの料金内訳
| 仕様 | 価格 | 公式価格 | 節約 |
|---|---|---|---|
| Input/1M tokens | 1.6 クレジット≈$1.6 | 2 クレジット | -20% |
| Output/1M tokens | 4.8 クレジット≈$4.8 | 6 クレジット | -20% |
| Cache Read/1M tokens | 0.4 クレジット≈$0.4 | 0.5 クレジット | -20% |
課金ルール
- 出力価格はモデル、解像度、品質、時間、トークン使用量によって変動します。
- アップロードした参照ファイルは、対応モデルでは別途課金される場合があります。
- ウェブ検索や画像検索などの追加機能はリクエストごとに課金される場合があります。
- トークンベースのモデルは入力・出力トークン数で課金されます。
- メインルートが利用できない場合、Velokey は可能な範囲で安定したフォールバックルートに自動的に切り替えることがあります。
- 従量課金制で、クレジットは透明に差し引かれます。
* 最終的な費用は生成結果によって異なります。
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Affordable Grok 4.5 API
Access xAI's newest flagship, Grok 4.5, at a lower price on Velokey — OpenAI-compatible, one API key, pay as you go, below official pricing.
Meet Grok 4.5 and its API integration
Grok 4.5 is xAI's newest flagship model, strong at real-time information, complex reasoning, and agentic tool use, able to browse and retrieve live content from X. On Velokey you can access the Grok 4.5 API at a lower price — one API key, pay as you go, below official pricing, no forced subscription — with credits, usage, and multi-model routing all managed in one console.
Real-time information and web/X search
Grok 4.5 can browse and retrieve live content from X, answering questions that need the latest facts, events, and data. Compared with models limited to training data, it's less affected by staleness in research, intelligence, and content scenarios.
View docs →
Strong reasoning and Think mode
With a strong reasoning mode, it decomposes complex problems, reasons in multiple steps, and returns grounded conclusions — a fit for analysis, planning, and tasks that demand rigorous thinking.
View docs →
Agentic tool calling and coding
Native function calling (tools) lets you wire search, APIs, and business tools into the conversation to drive multi-step agentic flows; it's equally solid at code generation, debugging, and engineering assistance.
View docs →
OpenAI-compatible, one key many models
A unified interface compatible with the OpenAI calling convention; one API key reaches Grok 4.5 and other vendors' models, turning task routing and cross-model fallback into configuration rather than rewrites.
View docs →
How to deploy the Grok 4.5 API on Velokey
A few steps to start calling.
Register and get an API key
Create an API key in the Velokey console; one key authenticates every request sent to Grok 4.5.
Set the model
Set model to grok-4.5 and submit messages and tools (function calling) as needed.
Call and integrate
Send requests through Velokey's unified /v1/chat/completions endpoint, compatible with the OpenAI calling convention, with usage and credits managed in one console.
Grok 4.5 real-world use cases
From real-time research to coding assistance, a fit for many high-value scenarios.
Real-time research and intel
Combine web and live X search to track events, sentiment, and market moves, generating analysis grounded in the latest facts.
Data analysis and insight
Reason over structured and unstructured data to produce conclusions, summaries, and decision recommendations.
Agents and automation
Use function calling to wire Grok 4.5 into tool chains and build multi-step reasoning agents.
Coding and engineering assistance
Code generation, debugging, and codebase understanding as a daily assistant for engineering teams.
Long-document understanding
Stay coherent over long documents, reports, and material for Q&A and structured extraction.
Decision support
Combine the latest information with reasoning to support operations, research, and product decisions.
Why choose Velokey for Grok 4.5
below official pricing
Call Grok 4.5 at a lower price on Velokey — pay as you go, no forced subscription, lower upfront cost.
One key, many models
A single API key reaches Grok 4.5 and other vendors' models, turning task routing and cross-model fallback into configuration rather than rewrites.
Unified OpenAI-compatible access
Compatible with the OpenAI calling convention; switching models is a single model-field change, keeping integration cost minimal.
Stability and high availability
Automatic failover and stable fallback routes maintain availability when the primary route is down, keeping production steady.
API リファレンス
API 呼び出し例とパラメータの完全な説明
Endpoint
https://api.velokey.ai/v1/chat/completionsAuthentication
Bearer YOUR_API_KEYRequest Example
curl https://api.velokey.ai/v1/chat/completions \
-X POST \
-H "Authorization: Bearer YOUR_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"model": "grok-4.5",
"messages": [{"role": "user", "content": "Hello!"}],
"temperature": 0.7
}'Response Example
{
"id": "req_abc123",
"model": "grok-4.5",
"created": 1234567890,
"data": { ... }
}Grok 4.5 API FAQ
What is the Grok 4.5 API?
Grok 4.5 is xAI's newest flagship model, built for real-time information, complex reasoning, and agentic tool use. On Velokey you call it through unified OpenAI-compatible access, with model set to grok-4.5.
What makes Grok 4.5 stand out?
It's strong at live web and X search, a robust reasoning mode, and function calling — answering questions that need the latest facts and driving multi-step tool calls and automated agents, while staying solid on coding and long-context tasks.
Does Grok 4.5 support real-time browsing?
Yes. Grok 4.5 can browse and retrieve live content from X, a fit for research, Q&A, and content scenarios that need the latest events, data, and sentiment.
Does Grok 4.5 support function calling / tools?
Yes. It supports function calling (tools), letting you wire search, ordering, and ticketing tools into the conversation to build multi-step agentic workflows.
How is it billed on Velokey?
The pricing section on this page shows current Velokey prices, billed by input and output tokens (about $1.6 input / $4.8 output per 1M tokens, official $2/$6). Credits are managed from one Velokey account.