xAI: Grok 4.20
xAIGrok 4.20 is a reasoning model from xAI with industry-leading speed and agentic tool calling capabilities. It combines t
1M+ contextHigh valueMultimodal vision
TextVision
Specifications
| Vendor | xAI |
| Family | xai |
| Context | 2M · 1500k words（≈ a novella） |
| Max output | 2M · 1500k words（≈ a novella） |
| Released | 2026-06-19 |
| Open source | No |
| Tool use | — |
Pricing across channels
per 1M tokens, USD
| Channel | Type | Input | Output | → |
|---|---|---|---|---|
| OpenRouter (auto) | Aggregator | $1.25 | $2.50 | visitAd |
OpenRouter API (auto-fetched)· 2026-06-19
Related models
Similar tier, vendor or price range