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uxwizz.com
#40

Grok 4.5

X AI Release: 2026-07-08 Tested on: 2026-08-14 02:54 x-ai/grok-4.5::low
~1.7T total (~170B active)MoEClosedEstimated
(high) (medium) (low)

Summary

Grok 4.5 scores 8.4 on AI BENCHY and ranks #40. It has 10.0 reliability, a 77.3% pass rate, $0.945 total cost, and 16.17s average response time.

What makes Grok 4.5 unique: It stands out most in Puzzle Solving, where it ranks #1, while Combined is its weakest area at #16.

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. Low-confidence external estimate; xAI does not disclose the count.

Parameter source Availability source

Score

8.4

Consistency

9.3

Reliability

10.0

Total Cost (Current Price)

$0.945

Total Output Tokens

115,489

Total Input Tokens

125,605

Input Price

$2.000 / 1M

Output Price

$6.000 / 1M

Tests Correct

Wrong Tests: 6

Attempt pass rate: 77.3%

Flaky tests

2

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

Response Time (avg)

16.17s

Response Time (max): 205.28s

Response Time (total): 355.67s

Wrong answer: 6

Hamster playing table tennis

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

#40 SpaceXAI: Grok 4.5

low
Cost
$0.011
Time
12.4s
Tokens
2,018 tok

Run history

Tested on Score Reliability Tests Correct Total Cost Compare
2026-08-14 02:54 Re-test 8.4 10.0 $0.945 Current run
2026-07-16 23:08 New test added 8.4 10.0 $0.935 Compare
2026-07-08 22:51 Initial run 7.8 10.0 $0.760 Compare

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

Price History

Historical pricing data for this model from OpenRouter.

Date Input Price Output Price
2026-08-14 12:51 $2.000 / 1M $6.000 / 1M

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

Grok 4.5lowvsGrok 4.6mediumGrok 4.5lowvsGPT-5.2mediumGrok 4.5lowvsMuse Spark 1.2lowGrok 4.5lowvsQwen3.8 27BhighGrok 4.5lowvsGrok 4.5mediumGrok 4.5lowvsSeed 2.1 TurbomediumGrok 4.5lowvsGPT-5.4mediumGrok 4.5lowvsInkling SmallhighGrok 4.5lowvsQwen3.8 MaxlowGrok 4.5lowvsMuse Spark 1.1low

Category Breakdown

Category Score Consistency Tests Correct
Anti-AI Tricks 10.0 10.0
Coding 10.0 10.0
Combined 6.5 10.0
Data parsing and extraction 10.0 10.0
Domain specific 2.9 7.2
General Intelligence 6.1 3.1
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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