Introducing Grok 4.20 on Majestix AI
April 22, 2026by Majestix AImodelsxaireasoningreasoningweb-research
Why Grok 4.20 matters
Grok 4.20 is a reasoning model in the Majestix lineup built for reasoning, web research, analysis workloads, with 2M context and $2.40 / $6.30 per 1M tokens. This card is written for Majestix users, so the focus is on where the model fits inside our product rather than how to self-host it.
What it is good at
- Reasoning
- Web Research
- Analysis
- Long Context
Majestix platform snapshot
| Metric | Value |
|---|---|
| Provider | xAI |
| Category | Reasoning |
| Access | Guru+ |
| Context window | 2M |
| Max output | 131K |
| Pricing | $2.40 input / $6.30 output per 1M tokens |
Benchmarks and operating signals
| Signal | Value | Source |
|---|---|---|
| Context Window | 2M | platform limit |
| Max Output | 131K | platform limit |
| Output Price | $6.30 / 1M | Majestix pricing |
Where Majestix already uses it
- article-writer-swarm
- majestix-blog-swarm
- majestix-blog-swarm-v2
- saashub-content-swarm
When to choose it
Grok 4.20 is the right pick when you want reasoning and web research without manually spelunking through vendor docs. On Majestix, you can compare it directly against the rest of the lineup on pricing, context, and swarm fit.