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#218

Grok 4.6

X AI Release: 2026-08-12 Tested on: 2026-10-01 04:11 x-ai/grok-4.6::low
~1.7T total (~170B active)MoEClosedEstimated
(high) (medium) (low)

Summary

Grok 4.6 scores 6.9 on AI BENCHY and ranks #218. It has 10.0 reliability, a 66.7% pass rate, $0.781 total cost, and 16.44s average response time.

Model facts

Researched on 2026-08-12

Estimated
Parameters
~1.7T total (~170B active)
Architecture
MoE
Availability
Closed
License
-

Best estimate from public evidence; the vendor did not disclose every value. xAI exposes the exact API checkpoint but does not disclose its architecture or parameter counts; estimate follows the Grok 4 family.

Parameter source Availability source

Score

6.9

Consistency

9.6

Reliability

10.0

Total Cost (Current Price)

$0.781

Total Output Tokens

42,315

Total Input Tokens

263,427

Input Price

$2.000 / 1M

Output Price

$6.000 / 1M

Cache Read Price

$0.500 / 1M

Cache Write Price

N/A

Cache prices apply to input tokens. Reads reuse cached prompts; writes store them and can cost extra. Output tokens use the output price.

Tests Correct

Wrong Tests: 8

Attempt pass rate: 66.7%

Flaky tests

1

Flaky tests had mixed outcomes across runs (at least one pass and one fail).

Response Time (avg)

16.44s

Response Time (max): 57.97s

Response Time (total): 378.14s

Wrong answer: 8

Hamster playing table tennis

Prompt: Create a detailed SVG illustration of a hamster playing table tennis.

#218 SpaceXAI: Grok 4.6

low
Cost
$0.011
Time
26.0s
Tokens
1,941 tok

Run history

Tested on Score Reliability Tests Correct Total Cost Compare
2026-10-01 04:11 Re-test 6.9 10.0 $0.781 Current run
2026-08-12 22:50 Initial run 7.4 10.0 $0.441 Compare

This run used a different benchmark suite. Keep suite changes in mind when reading historical movement.

Run comparison

RunBenchmark coverageScoreConsistencyReliabilityTests CorrectFlaky testsTotal Output TokensTotal Input TokensTotal CostResponse Time (avg)
2026-10-01 04:11 · Current run69/69 attempts6.99.610.015/23142,315263,427$0.78116.44s
2026-08-12 22:50 · Initial run66/66 attempts7.49.210.015/22236,792109,951$0.44114.20s
Difference—-0.4+0.40.00-1+5523+153476+$0.341+2244ms

Benchmark coverage differs: 69/69 attempts (Target: 3 repeats per test) versus 66/66 attempts (Target: 3 repeats per test). Totals and repeat-sensitive metrics are not directly comparable.

These two runs used different benchmark suites, so the deltas reflect both model changes and suite changes.

Price History

Historical pricing data for this model from OpenRouter.

Date Input Price Output Price Cache Read Price Cache Write Price
2026-08-14 12:51 $2.000 / 1M $6.000 / 1M N/A N/A
2026-10-01 18:33 $2.000 / 1M $6.000 / 1M $0.500 / 1M N/A

Charts

Choose the first model, then click a second model to open a side-by-side page.

Total Output Tokens

Score vs Total Output Tokens

Quick Compare

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Category Breakdown

Category Score Consistency Tests Correct
Agentic 5.0 10.0
Anti-AI Tricks 10.0 10.0
Coding 5.5 7.1
Combined 6.5 10.0
Data parsing and extraction 10.0 10.0
Domain specific 3.0 10.0
General Intelligence 10.0 10.0
Instructions following 9.8 10.0
Puzzle Solving 10.0 10.0
Tool Calling 10.0 10.0
Trivia 3.0 10.0

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