Grok 4.20 Beta 2
4-agent backbone · IFBench #1 (83); 8% of Opus cost
- Vendor
- xAI
- License
- closed
- Released
- 2026-03-03
- Parameters
- Undisclosed
- Context window
- 256k tokens
Capabilities
Grok 4.20 Beta 2 supports vision (image input) and tool use, with a 256k-token context window.
- Vision — image input
- Audio — audio input (not confirmed)
- Tools — function calling / tool use
- Reasoning — extended thinking (not confirmed)
- Computer use — desktop / browser control (not confirmed)
Benchmarks
| SWE-Bench Verified | 75% |
|---|---|
| SWE-Bench Pro | Not published |
| Terminal-Bench | Not published |
| Reasoning composite | 80 / 100 |
The reasoning composite is a directional 0–100 score aggregated across public reasoning evals — comparable within this matrix, not an official vendor number.
Pricing
$2/M input tokens.