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#181

Grok Build 0.1

X AI Release: 2026-05-21 Tested on: 2026-10-01 02:37 x-ai/grok-build-0.1::medium
~300B total (~30B active)MoEClosedEstimated
(medium) (none)

Summary

Grok Build 0.1 scores 6.7 on AI BENCHY and ranks #181. It has 10.0 reliability, a 58.0% pass rate, $1.419 total cost, and 55.13s average response time.

What makes Grok Build 0.1 unique: It stands out most in Instructions following, where it ranks #4, while General Intelligence is its weakest area at #16. It uses unusually many reasoning tokens, which can help explain its slower or more expensive runs.

Model facts

Researched on 2026-08-12

Estimated
Parameters
~300B total (~30B active)
Architecture
MoE
Availability
Closed
License
-

Best estimate from public evidence; the vendor did not disclose every value. xAI does not disclose the architecture or count.

Parameter source Availability source

Score

6.7

Consistency

9.6

Reliability

10.0

Total Cost (Current Price)

$1.419

Total Output Tokens

529,806

Total Input Tokens

358,616

Input Price

$1.000 / 1M

Output Price

$2.000 / 1M

Cache Read Price

$0.200 / 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: 10

Attempt pass rate: 58.0%

Flaky tests

1

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

Response Time (avg)

55.13s

Response Time (max): 252.69s

Response Time (total): 1268.10s

Wrong answer: 6 Extra formatting: 3 Invalid tool call: 1

Hamster playing table tennis

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

#181 SpaceXAI: Grok Build 0.1

medium
Cost
$0.028
Time
81.3s
Tokens
14,009 tok

Run history

Tested on Score Reliability Tests Correct Total Cost Compare
2026-10-01 02:37 Re-test 6.7 10.0 $1.419 Current run
2026-07-16 23:10 New test added 7.6 10.0 $1.097 Compare
2026-06-04 14:22 New test added 7.4 10.0 $0.927 Compare
2026-05-26 13:30 Re-test 7.7 10.0 $0.729 Compare
2026-05-22 00:36 Suite changed 7.6 10.0 $0.633 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 Cache Read Price Cache Write Price
2026-08-14 12:51 $1.000 / 1M $2.000 / 1M N/A N/A
2026-10-01 18:33 $1.000 / 1M $2.000 / 1M $0.200 / 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

Grok Build 0.1mediumvsGrok 4.7xhighGrok Build 0.1mediumvsQwen3.5-FlashnoneGrok Build 0.1mediumvsSolar Pro 4xhighGrok Build 0.1mediumvsSolar Pro 4lowGrok Build 0.1mediumvsSpace Bunny AlphamaxGrok Build 0.1mediumvsGrok 4.7highGrok Build 0.1mediumvsGPT-6 SolnoneGrok Build 0.1mediumvsMiniMax M3mediumGrok Build 0.1mediumvsMercury 2.5 PreviewmediumGrok Build 0.1mediumvsEmber-1max

Category Breakdown

Category Score Consistency Tests Correct
Agentic 3.4 9.6
Anti-AI Tricks 8.3 10.0
Coding 5.7 9.7
Combined 10.0 10.0
Data parsing and extraction 10.0 10.0
Domain specific 2.9 7.2
General Intelligence 4.4 9.9
Instructions following 9.8 10.0
Puzzle Solving 7.7 10.0
Tool Calling 10.0 10.0
Trivia 3.0 10.0

Compared models