xAIVerified Active: September 18, 2026
Grok 4.5API Pricing & Specifications
xAI's frontier model with 500K context, real-time live search, and enhanced reasoning.
📊 Core Specifications & Pricing Rates
Standard Input
$2.00 / 1M tokens
Standard Output
$6.00 / 1M tokens
Cached Input
$0.5000 / 1M tokens
Context Window
500K (500,000 tokens)
Max Output Tokens
16,384 tokens
Supported Capabilities:✓ Vision✓ Function Calling / Tools✓ JSON Mode✓ Deep Reasoning
Live Workload Cost Estimator: Grok 4.5
Adjust token volumes to simulate your exact monthly API bill.
Estimated 60% repeated context
Estimated Total Monthly Cost
Compare All Models in Calculator→$101.25/ month
$0.00405 per API request(Saves $33.75/mo with caching)
💡 Estimated Monthly Workload Scenarios
Real-Time Market Intelligence Agent
$330.00/mo30,000 live search queries (4,000 input, 500 output)
30,000 requests • 4000 in / 500 out
⚖️ Head-to-Head Competitor Comparisons
Grok 4.5 vs. Claude Sonnet 5
Grok 4.5 is 33% cheaper on input ($2 vs $3) and 60% cheaper on output ($6 vs $15) with live X platform data retrieval.
2.5x cheaper outputView Claude Sonnet 5 →
📜 Historical Price Changes & Updates
2026-08-20
Grok 4.5 released with 500K context, prompt caching at $0.50/M read, and improved coding capabilities.
🔗 Verified Primary Sources
All pricing, token limits, and capabilities are cross-checked against official provider documentation and live API endpoints.