xAI

Grok 4.6

Tool callingStructured outputReasoningImage input
Grok 4.6 launch post cover

xAI's frontier model for long-running agents, coding, knowledge work, and visual projects

Context
500K
Released
2mo ago
Input / 1M tokens
$2.00
Output / 1M tokens
$6.00
Cached input / 1M tokens
$0.50

Sources:models.devOpenRouter

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.

Other published benchmarks

EvaluationReported score and source
ARC-AGI-2
65.1%
Third-party evaluator · grok-4.6_high
Reasoning effort: high
External evaluation via Epoch AI
Original-source terms apply
ARC-AGI-2
27.6%
Third-party evaluator · grok-4.6_low
Reasoning effort: low
External evaluation via Epoch AI
Original-source terms apply
ARC-AGI-2
61.3%
Third-party evaluator · grok-4.6_medium
Reasoning effort: medium
External evaluation via Epoch AI
Original-source terms apply
ARC-AGI-2
67.1%
Third-party evaluator · grok-4.6_xhigh
Reasoning effort: xhigh
External evaluation via Epoch AI
Original-source terms apply
FrontierMath-Tier-4-v2-Private
31.7%
Epoch AI · grok-4.6_xhigh
Reasoning effort: xhigh
Epoch AI evaluation
FrontierMath-Tiers-1-3-v2-Private
66.0%
Epoch AI · grok-4.6_xhigh
Reasoning effort: xhigh
Epoch AI evaluation
GPQA diamond
94.0%
Epoch AI · grok-4.6_high
Reasoning effort: high
Epoch AI evaluation
GPQA diamond
93.2%
Epoch AI · grok-4.6_xhigh
Reasoning effort: xhigh
Epoch AI evaluation
OTIS Mock AIME 2024-2025
97.8%
Epoch AI · grok-4.6_high
Reasoning effort: high
Epoch AI evaluation
OTIS Mock AIME 2024-2025
99.2%
Epoch AI · grok-4.6_xhigh
Reasoning effort: xhigh
Epoch AI evaluation
SimpleQA Verified
49.3%
Epoch AI · grok-4.6_high
Reasoning effort: high
Epoch AI evaluation
SimpleQA Verified
48.9%
Epoch AI · grok-4.6_xhigh
Reasoning effort: xhigh
Epoch AI evaluation

Benchmark compilation: Epoch AI, Capabilities & benchmarking (CC BY attribution). Scores are converted to percentages and model names matched to the Vertical Tabs catalog. Individual evaluations are credited to their original sources. External results may carry separate licences and evaluation configurations; do not interpret scores from different harnesses as directly comparable.

Specifications

Developer
xAI
Model family
Grok
Type
Language model
Predecessor
—
Successor
—
Released
August 12, 2026
Model ID
x-ai/grok-4.6
Openness
Closed
License
—
Input modalities
text, image, file
Output modalities
text
Modality
text+image+file->text
Tokenizer
Grok
Max output tokens
450K
Knowledge cutoff
2026-02-01
Hugging Face
—
Source freshness
Metadata synced Oct 8, 2026, 10:17 PM UTC
Additional source evidence
Source model
xai/grok-4.6
Source family
grok
Last updated
2026-08-12
Knowledge cutoff
2026-02-01
Model context
500K
Model output limit
500K
Open weights
No
File attachments
Yes
Reasoning
Yes
Tool calling
Yes
Structured output
Yes
Temperature control
Yes

Published benchmarks

BenchmarkScoreEvaluation detailsEvidence
CursorBench40.4 · scorehigh effort · 4.0 · 2026-09-21Source
DeepSWE65.2 · scorehigh effort · 1.1 · 2026-09-21Source
EEBench53 · scorehigh effort · 2026-09-21Source
AA-Briefcase1546 · Elohigh effort · 1.1 · 2026-09-21Source
Terminal-Bench20.3 · scorehigh effort · 4.0 · 2026-09-21Source
Harvey Legal Agent Benchmark15.8 · scorehigh effort · 2026-09-21Source
HealthBench48.5 · scorehigh effort; professional · 2026-09-21Source
GDPval1605 · Elohigh effort · 2026-09-21Source
Complete source record (JSON)
{
  "id": "xai/grok-4.6",
  "name": "Grok 4.6",
  "description": "xAI's frontier model for long-running agents, coding, knowledge work, and visual projects",
  "family": "grok",
  "last_updated": "2026-08-12",
  "knowledge": "2026-02-01",
  "attachment": true,
  "reasoning": true,
  "tool_call": true,
  "structured_output": true,
  "temperature": true,
  "modalities": {
    "input": [
      "text",
      "image"
    ],
    "output": [
      "text"
    ]
  },
  "limit": {
    "context": 500000,
    "output": 500000
  },
  "benchmarks": [
    {
      "name": "CursorBench",
      "score": 40.4,
      "source": "https://x.ai/news/grok-4-7",
      "metric": "score",
      "variant": "high effort",
      "version": "4.0",
      "date": "2026-09-21"
    },
    {
      "name": "DeepSWE",
      "score": 65.2,
      "source": "https://x.ai/news/grok-4-7",
      "metric": "score",
      "variant": "high effort",
      "version": "1.1",
      "date": "2026-09-21"
    },
    {
      "name": "EEBench",
      "score": 53,
      "source": "https://x.ai/news/grok-4-7",
      "metric": "score",
      "variant": "high effort",
      "date": "2026-09-21"
    },
    {
      "name": "AA-Briefcase",
      "score": 1546,
      "source": "https://x.ai/news/grok-4-7",
      "metric": "Elo",
      "variant": "high effort",
      "version": "1.1",
      "date": "2026-09-21"
    },
    {
      "name": "Terminal-Bench",
      "score": 20.3,
      "source": "https://x.ai/news/grok-4-7",
      "metric": "score",
      "variant": "high effort",
      "version": "4.0",
      "date": "2026-09-21"
    },
    {
      "name": "Harvey Legal Agent Benchmark",
      "score": 15.8,
      "source": "https://x.ai/news/grok-4-7",
      "metric": "score",
      "variant": "high effort",
      "date": "2026-09-21"
    },
    {
      "name": "HealthBench",
      "score": 48.5,
      "source": "https://x.ai/news/grok-4-7",
      "metric": "score",
      "variant": "high effort; professional",
      "date": "2026-09-21"
    },
    {
      "name": "GDPval",
      "score": 1605,
      "source": "https://x.ai/news/grok-4-7",
      "metric": "Elo",
      "variant": "high effort",
      "date": "2026-09-21"
    }
  ],
  "release_date": "2026-08-12",
  "open_weights": false
}

Infrastructure

Provider availability

All providers
ProviderEndpointContextInput /M tokensOutput /M tokensCached input /M tokensCache write /M tokensUptime 1dData handling
xAIxai/zdr500K$2.00$6.00$0.50—100.00%
ZDR: Yes

Training: Unknown

Prompt logging: Unknown

Retention: Unknown

Checked 2026-10-15

xAIxai500K$2.00$6.00$0.50—100.00%
ZDR: No

Training: Unknown

Prompt logging: Unknown

Retention: Unknown

Checked 2026-10-15

Amazon Bedrockamazon-bedrock/us-west-2500K$2.20$6.60$0.55$0.00—
ZDR: Yes

Training: Unknown

Prompt logging: Unknown

Retention: Unknown

Checked 2026-10-15

xAIxai/zdr/us500K$2.20$6.60$0.55—100.00%
ZDR: Yes

Training: Unknown

Prompt logging: Unknown

Retention: Unknown

Checked 2026-10-15

xAIxai/zdr/priority500K$4.00$12.00$1.00——
ZDR: Yes

Training: Unknown

Prompt logging: Unknown

Retention: Unknown

Checked 2026-10-15

xAIxai/priority500K$4.00$12.00$1.00——
ZDR: No

Training: Unknown

Prompt logging: Unknown

Retention: Unknown

Checked 2026-10-15

Provider data:OpenRouter