SFAI / MODEL PROFILE
SpaceXAI: Grok 4.20 (x-ai/grok-4.20)
Grok 4.20 is a reasoning model from SpaceXAI with industry-leading speed and agentic tool calling capabilities. It combines the lowest hallucination rate on the market with strict prompt adherance, delivering...
- Developer
- x-ai
- Input modalities
- text, image, file
- Output modalities
- text
- Context tokens
- 2,000,000
- Latest price observation
- 2026-09-28
- Lowest paired standard token quote
- $1.25 input / $2.50 output per 1M tokens
Dated price and provider records
| Provider and channel | Input | Output or native rate | Unit and status | Source and observation |
|---|---|---|---|---|
| Automatic routingopenrouter | $1.25 | $2.50 | 1M tokenspriced · USD | openrouter2026-09-28 |
These are dated, non-executable observations. Verify the exact endpoint, price and terms with the source before use. Unknown values are not free.