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xAI: Grok 4.5

🇺🇸 xAI · Grok 4.5

Input Price $2.00 per million tokens NT$64.0
Output Price $6.00 per million tokens NT$192
Context Window 500K tokens
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Overview

xAI: Grok 4.5 is a large language model API from xAI, part of its Grok 4.5 model family. Priced at $2.00 per million input tokens and $6.00 per million output tokens, it occupies the mid-range, balancing capability against running cost. Output tokens cost about 3× as much as input, so prompt-heavy workloads run noticeably cheaper than generation-heavy ones. A large 500K-token context window (≈750 pages of text) lets it take in whole books, large codebases, or lengthy transcripts in a single call. Beyond plain text it also accepts Image, File input, so it can be applied to multimodal tasks rather than text alone. On Artificial Analysis's Intelligence Index it scores 54 (A grade), a useful proxy for its general reasoning strength relative to the other models tracked here. All prices on this page reflect OpenRouter's routed rates and are re-synced automatically every day; confirm against the provider's official pricing before committing to production.

Dimension Unit Price (USD) Price (TWD) Effective From
Input per 1M tokens $2.00 NT$64.0
Output per 1M tokens $6.00 NT$192
Cached Input per 1M tokens $0.500 NT$16.0
Web Search per search $0.0050 NT$0.16

Provider
xAI
Model Family
Grok 4.5
Version String
x-ai/grok-4.5
Status
Active
Modality
Text, Image, File
Context Window
500,000 tokens
Output Limit
— tokens

Index Metrics

Cross-domain capability indexes evaluated by Artificial Analysis — Artificial Analysis

Agentic Index 46 A Measured: 2026-07-12
Coding Index 72 S Measured: 2026-07-12
Intelligence Index 54 A Measured: 2026-07-12

Benchmark Scores

Data source: Artificial Analysis

AA-LCR 67.7% B Measured: 2026-07-12
GPQA Diamond 93.1% S Measured: 2026-07-12
HLE 40.3% S Measured: 2026-07-12
MMMU Pro 80.4% A Measured: 2026-07-12
Non-Hallucination 46.5% Measured: 2026-07-12
Omniscience Accuracy 52.0% Measured: 2026-07-12
SciCode 54.0% A Measured: 2026-07-12

Performance Metrics

Real-world benchmarks, updated every 72 hours by Artificial Analysis — Artificial Analysis

First Token Latency 12.9s Measured: 2026-07-12
Output Speed 116 t/s Measured: 2026-07-12
Response Time 17.2s Measured: 2026-07-12

90-Day Price Trend

Input / Output price (USD per 1M tokens)

Past 90 days of records; every price change is shown here

Date Dimension Price (USD) Source
Web Search $0.0050 OpenRouter
Cached Input $0.500 OpenRouter
Output $6.00 OpenRouter
Input $2.00 OpenRouter
Web Search $0.0050 OpenRouter
Cached Input $0.500 OpenRouter
Output $6.00 OpenRouter
Input $2.00 OpenRouter
Web Search $0.0050 OpenRouter
Cached Input $0.500 OpenRouter
Output $6.00 OpenRouter
Input $2.00 OpenRouter
Web Search $0.0050 OpenRouter
Cached Input $0.500 OpenRouter
Output $6.00 OpenRouter
Input $2.00 OpenRouter
Web Search $0.0050 OpenRouter
Cached Input $0.500 OpenRouter
Output $6.00 OpenRouter
Input $2.00 OpenRouter

Key Insights

Key data points from this page for quick reference and citation.

  • xAI: Grok 4.5 Input price: $2/M tokens
  • xAI: Grok 4.5 Output price: $6/M tokens
  • Context window: 500,000 tokens
  • Provider: xAI
  • Model family: Grok 4.5
  • Modalities: Text, Image, File
  • Data source: OpenRouter, updated daily