Context Window
2,000,000
Input tokens
Full-context input ≈ $2.50
Model Cost Profile
Developer: x-ai· Tokenizer: Grok · Quantization: unknown
Canonical ID: x-ai/grok-4.20-20260309
Pricing updated May 16, 2026
Grok 4.20 is a reasoning model from xAI with industry-leading speed and agentic tool calling capabilities. It combines the lowest hallucination rate on the market with strict prompt adherance, delivering...
Context Window
2,000,000
Input tokens
Full-context input ≈ $2.50
Max Output
—
Not specified
Input Price / 1M
$1.25
Prompt tokens
Output Price / 1M
$2.50
Completion tokens
Top Benchmark
Pending
No benchmark data yet
Price History
Current Input / 1M
$1.25
Current Output / 1M
$2.50
Performance History
Current TPS
0.00
Current Latency
0ms
Uptime
100.0%
| Usage Type | Price / 1M Tokens |
|---|---|
| Input (Prompt) | $1.25 |
| Output (Completion) | $2.50 |
| Cache Read | $0.2000 |
| Web Search | $5,000.00 |
Estimate monthly spend for xAI: Grok 4.20 based on your workload.
Estimated Monthly Cost
$61
25M input + 12M output tokens
Quick links for cost-down decisions before production rollout.