AI BENCHY
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#25

GPT-5 Mini

OpenAI Release: 2025-08-07 Tested on: 2026-07-16 22:27 openai/gpt-5-mini::medium
~400B total (~17B active)MoEClosedEstimated

Summary

GPT-5 Mini scores 8.1 on AI BENCHY and ranks #25. It has 10.0 reliability, a 63.6% pass rate, $0.237 total cost, and 27.63s average response time.

What makes GPT-5 Mini unique: Its total benchmark cost is unusually low for its score range.

Model facts

Researched on 2026-08-12

Estimated
Parameters
~400B total (~17B active)
Architecture
MoE
Availability
Closed
License
-

Best estimate from public evidence; the vendor did not disclose every value. External research estimate; OpenAI does not disclose the architecture.

Parameter source Availability source

Score

8.1

Consistency

8.8

Reliability

10.0

Total Cost (Current Price)

$0.237

Total Output Tokens

105,932

Total Input Tokens

98,374

Input Price

$0.250 / 1M

Output Price

$2.000 / 1M

Tests Correct

Wrong Tests: 10

Attempt pass rate: 63.6%

Flaky tests

3

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

Response Time (avg)

27.63s

Response Time (max): 111.48s

Response Time (total): 607.92s

Wrong answer: 5 Did not follow instructions: 3 No answer: 1 Timed out: 1

Hamster playing table tennis

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

#25 GPT-5 Mini

medium
Cost
$0.007
Time
42.9s
Tokens
3,432 tok

Run history

Tested on Score Reliability Tests Correct Total Cost Compare
2026-08-14 02:07 Re-test 8.1 10.0 $0.241 Compare
2026-07-16 22:27 New test added 8.1 10.0 $0.237 Current run
2026-06-04 13:43 New test added 7.3 10.0 $0.159 Compare
2026-05-22 00:16 Re-test 6.9 10.0 $0.150 Compare
2026-04-11 01:44 First recorded run 7.0 N/A $0.128 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
2026-06-04 15:40 $0.250 / 1M $2.000 / 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

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Category Breakdown

Category Score Consistency Tests Correct
Anti-AI Tricks 7.1 7.6
Coding 10.0 10.0
Combined 7.3 5.8
Data parsing and extraction 10.0 10.0
Domain specific 3.6 7.2
General Intelligence 4.5 10.0
Instructions following 10.0 10.0
Puzzle Solving 5.6 9.8
Tool Calling 10.0 10.0
Trivia 3.0 10.0

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