xAIVerified Active: September 18, 2026
Grok 4.3API Pricing & Specifications
High-efficiency model with 1M context and real-time knowledge retrieval.
📊 Core Specifications & Pricing Rates
Standard Input
$1.25 / 1M tokens
Standard Output
$2.50 / 1M tokens
Cached Input
$0.2000 / 1M tokens
Context Window
1M (1,000,000 tokens)
Max Output Tokens
8,192 tokens
Supported Capabilities:✓ Vision✓ Function Calling / Tools✓ JSON Mode✓ Deep Reasoning
Live Workload Cost Estimator: Grok 4.3
Adjust token volumes to simulate your exact monthly API bill.
Estimated 60% repeated context
Estimated Total Monthly Cost
Compare All Models in Calculator→$48.25/ month
$0.00193 per API request(Saves $23.63/mo with caching)
💡 Estimated Monthly Workload Scenarios
High-Volume News Extraction
$225.00/mo50,000 articles (3,000 input, 300 output)
50,000 requests • 3000 in / 300 out
⚖️ Head-to-Head Competitor Comparisons
Grok 4.3 vs. Gemini 3.8 Flash
Grok 4.3 offers 33% lower output cost ($2.50 vs $3.75) with direct access to live Twitter/X data.
Competitive with Flash tierView Gemini 3.8 Flash →
📜 Historical Price Changes & Updates
2026-07-15
Grok 4.3 launched with 1M context and $1.25/$2.50 rate.
🔗 Verified Primary Sources
All pricing, token limits, and capabilities are cross-checked against official provider documentation and live API endpoints.