Grok 4.20 Beta
FrontierxAI•Released on 2026-03-12
Grok 4.20 Beta introduces a revolutionary 4-agent collaboration system (Grok, Harper, Benjamin, Lucas) that debates responses internally before surfacing answers. Features rapid learning architecture, 2M context window, and significantly reduced hallucinations. Optimized for speed and cost efficiency.
84
Overall Score
Voice of the community
sample 89“The 4-agent debate system is surprisingly effective. Answers feel more considered and less rushed.”
“Grok 4.20 with the 4-agent system is like having a mini committee review your prompts. Slower but more accurate.”
Core Specs
2000K
Context Window
131K
Max Output
ReasoningOpen Sourcetextimage
Scenario Scores
Pros & Cons
Sentiment68% +22% ·10% −
Pros
- +4-agent collaboration for better answers
- +2M context - industry leading
- +Significantly reduced hallucinations
- +Fast inference with rapid learning architecture
- +Real-time X/Twitter access
Cons
- −Beta version - may have stability issues
- −X ecosystem dependency
- −Benchmark data still pending
- −Smaller developer ecosystem vs OpenAI/Anthropic
- −4.20 version number may be a marketing gimmick
Pricing
Input (per 1M tokens)$0.25
Output (per 1M tokens)$0.60
Subscription$22/month
Free trial available
Updated on 2026-03-16
Get Started
1Visit the provider's website
2Create an account
3Start using the model
Benchmarks
mmlu90.5%
humanEval92%