Grok-4.20 Reasoning API Pricing Calculator

Model Details

Released

Mar 31, 2026

Context Length

1,000,000

Where is Grok-4.20 Reasoning a perfect fit?

Grok 4.20 Reasoning is xAI's high-performance reasoning model designed for complex problem solving, low hallucination rates, and strong agentic tool calling. It combines extended reasoning with strict prompt adherence for professional and enterprise applications.
- Complex mathematical, scientific, and engineering reasoning
- Advanced coding, debugging, and software architecture tasks
- Multi-step autonomous agents using external tools
- Long-context document and codebase analysis
- Enterprise knowledge assistants requiring high factual accuracy
- Structured data extraction and JSON generation
- Research, planning, and technical writing
- Applications prioritizing reasoning quality over minimum latency

Quick Model Estimate

Tokens Characters Words

Model

Provider

Modality

Service Tier

Context Size

Input Tokens

(USD 1.2500 per 1M tokens)

Output Tokens

(USD 2.5000 per 1M tokens)

No. of API Calls

Your Grok-4.20 Reasoning Cost Estimate

💰 Total Cost

—

for 1000 input + 1000 output tokens

📥 Input (1000 × $1.250000) —

📤 Output (1000 × $2.500000) —

Cost Breakdown

📥 Input 📤 Output

At the last price Perplexity charged, before it stopped on 17th Oct 2026. No longer on offer.

Pricing

No provider we track currently offers Grok-4.20 Reasoning.

No longer offered by

The last prices each provider charged for Grok-4.20 Reasoning before it stopped offering it. These are no longer on offer. Each row links to that provider's price history.

Provider ↕	Ended ↕	Modality ↕	Service Tier ↕	Input Price (per 1M tokens) ↕	Output Price (per 1M tokens) ↕	Cached Input (per 1M tokens) ↕	Context Size ↕	View
Perplexity	17th Oct 2026Provider stopped offering it	Text	Standard	$1.2500	$2.5000	$0.2000	Up to 200,000 tokens	→
Perplexity	17th Oct 2026Provider stopped offering it	Text	Standard	$2.5000	$5.0000	N/A	200,000+ tokens	→