Grok 4.20 (Non-Reasoning)

Tool callingStructured outputImage inputFile input

Website

Grok model for agentic tool use, reasoning, coding, and live assistance

Context: 1M
Released: 7mo ago

Sources:models.dev

Benchmarks

DeepSWE is the primary coding benchmark where an exact model evaluation exists. Other sourced evaluations appear below; missing scores are not zero.

Not evaluated in DeepSWE 1.1 as of 2026-09-22. Results are only shown for exact model versions in the official dataset. Official leaderboard.

No benchmark results have been matched to this model yet.

Specifications

Developer: xAI
Model family: Grok
Type: Language model
Predecessor: —
Successor: —
Released: March 9, 2026
Model ID: xai/grok-4.20-0309-non-reasoning
Openness: Closed
License: —
Input modalities: text, image, file
Output modalities: text
Modality: text+image+file->text
Max output tokens: 30K
Hugging Face: —
Source freshness: Metadata synced Oct 8, 2026, 10:17 PM UTC

Additional source evidence

Source model: xai/grok-4.20-0309-non-reasoning
Source family: grok
Last updated: 2026-03-09
Model context: 1M
Model output limit: 30K
Open weights: No
File attachments: Yes
Reasoning: No
Tool calling: Yes
Structured output: Yes
Temperature control: Yes

Complete source record (JSON)

{
  "id": "xai/grok-4.20-0309-non-reasoning",
  "name": "Grok 4.20 (Non-Reasoning)",
  "description": "Grok model for agentic tool use, reasoning, coding, and live assistance",
  "family": "grok",
  "last_updated": "2026-03-09",
  "attachment": true,
  "reasoning": false,
  "tool_call": true,
  "structured_output": true,
  "temperature": true,
  "modalities": {
    "input": [
      "text",
      "image",
      "pdf"
    ],
    "output": [
      "text"
    ]
  },
  "limit": {
    "context": 1000000,
    "output": 30000
  },
  "release_date": "2026-03-09",
  "open_weights": false
}

Infrastructure

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