SF·SIX / MODEL PROFILE
SpaceXAI 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...
SpaceXAI Grok 4.20 costs $1.25 per 1M input tokens and $2.50 per 1M output tokens at the standard tier, the lowest default-region price among the 1 provider SF·SIX tracks, from xAI. Cached input reads cost $0.20 per 1M tokens. Updated ; prices checked .
- Developer
- xAI
- Input modalities
- text, image, file
- Output modalities
- text
- Context tokens
- 2,000,000
- Latest price observation
- 2026-10-17
- 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 |
|---|---|---|---|---|
| xAIOpenRouter | $1.25 | $2.50 | 1M tokenspriced · USD | OpenRouter2026-10-17 |
| xAIOpenRouter · Zero data retention | $1.25 | $2.50 | 1M tokenspriced · USD | OpenRouter2026-10-17 |
| xAIOpenRouter · Priority tier | $2.50 | $5.00 | 1M tokenspriced · USD | OpenRouter2026-10-17 |
| xAIOpenRouter · Priority tier · Zero data retention | $2.50 | $5.00 | 1M tokenspriced · USD | OpenRouter2026-10-17 |
These are dated, non-executable observations. Verify the exact endpoint, price and terms with the source before use. Unknown values are not free.