26 providers
Grok 4.5Currently listed through these providers:
$10 off the fastest Kimi K3 and GLM 5.2 from Synthetic
Model details
Grok 4.20 (Reasoning)
The model overview is being prepared.
Impossiblxai/grok-4.20-0309-reasoninggrok
Quick Info
Powered by- Provider
- Impossibl
- Model key
- xai/grok-4.20-0309-reasoning
- Release date
- Mar 9, 2026
- Last updated
- Mar 9, 2026
- Input modalities
- Output modalities
- Capabilities
Cost
- Input token cost
- $1.25
- Output token cost
- $2.50
Limits
- Output tokens
- 30,000 tokens
- Context window
- 1,000,000 tokens