xAI: Grok 4.20 Multi-Agent Beta
Analysis Summary
Grok 4.20 Multi-Agent Beta is xAI's agent-focused model, with excellent general reasoning and especially strong multi-step execution. Its 2M token context window supports large codebases, extensive document sets, and long-running task histories. Vision, file handling, and tool use broaden its usefulness beyond text-only analysis.
For client work, the model fits autonomous research, software engineering support, complex operations, and workflows that need repeated tool calls. Its agentic performance and tool-use reliability are clear strengths, while the beta designation means teams should validate behaviour carefully on their own integrations before making it the sole production dependency.
Input pricing is manageable for high-value tasks, but output pricing is materially higher than budget models. Adopt it for demanding agent workflows where execution quality and context capacity outweigh token cost.
Assessed August 9, 2026
Editorial notes
Grok 4.20 Multi-Agent Beta combines excellent reasoning with leading agentic performance, a 2M token context, vision, and reliable tool use. Its premium output pricing suits complex workflows rather than routine volume.
Rankings consider pricing, capabilities, benchmarks, and real-world applicability and are refreshed as new models launch. Feedback?
DFO Verdict
Grok 4.20 Multi-Agent Beta combines excellent reasoning with leading agentic performance, a 2M token context, vision, and reliable tool use. Its premium output pricing suits complex workflows rather than routine volume.
Benchmark scores
Magenta = intelligence · Ink = technical/agentic · Cyan = content & long-context · Grey = community benchmarks. Data: Artificial Analysis, Hugging Face.
48.5 Intelligence Index·42.2 Coding Index·68.7 Agentic Index
How xAI: Grok 4.20 Multi-Agent Beta compares
XAI: Grok 4.20 Multi-Agent Beta ranks #28 of 420 AI models we track for overall intelligence, #81 of 193 for coding, #1 of 175 for agentic tasks. Its 2M-token context window is larger than 100% of the models we list. At $2.00 per million input tokens it is cheaper than 18% of comparable models.
Dark bar = input · light bar = output, scaled to the priciest peer.
1M tokens ≈ 8 full-length novels or ~2,500 pages of business documents in a single request.
Strongest on business fit. The pulled-in technical corner is the trade-off, and if the shape matters more than the price, this is your model.
Compare shapes side-by-side →Pricing
| Token Type | Cost per 1M tokens | Cost per 1K tokens |
|---|---|---|
| Input | $2.00 | $0.002000 |
| Output | $6.00 | $0.006000 |
What would xAI: Grok 4.20 Multi-Agent Beta cost your business?
Pick the job that looks most like yours, then fine-tune with the sliders. Estimates update live.
A website chatbot handling around 100 customer conversations a day, a few short messages each.
Full calculator with 688 models → Price Calculator
These numbers get smaller with the right architecture.
We route routine calls to cheap models and save xAI: Grok 4.20 Multi-Agent Beta for the hard ones. Most clients cut their estimate by 60-80%.
Talk to our teamAbout xAI: Grok 4.20 Multi-Agent Beta
Grok 4.20 Multi-Agent Beta is a variant of xAI’s Grok 4.20 designed for collaborative, agent-based workflows. Multiple agents operate in parallel to conduct deep research, coordinate tool use, and synthesize information across complex tasks. Reasoning effort behavior:
- low / medium: 4 agents
- high / xhigh: 16 agents
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Frequently asked questions about xAI: Grok 4.20 Multi-Agent Beta
How much does xAI: Grok 4.20 Multi-Agent Beta cost?
xAI: Grok 4.20 Multi-Agent Beta costs $2.00 per million input tokens and $6.00 per million output tokens.
What is the context window of xAI: Grok 4.20 Multi-Agent Beta?
xAI: Grok 4.20 Multi-Agent Beta has a context window of 2,000,000 tokens (2M).
Is xAI: Grok 4.20 Multi-Agent Beta good for coding?
On our coding benchmark index, xAI: Grok 4.20 Multi-Agent Beta ranks #81 of 193 models, placing it in the broader range of the field for code generation and debugging.
What can xAI: Grok 4.20 Multi-Agent Beta do?
xAI: Grok 4.20 Multi-Agent Beta supports image/vision input and tool use.
Who created xAI: Grok 4.20 Multi-Agent Beta?
xAI: Grok 4.20 Multi-Agent Beta is developed by xAI and was released on March 12, 2026.
