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#54

GPT-5.2

OpenAI Release: 2025-12-11 Tested on: 2026-10-01 01:41 openai/gpt-5.2::medium
~1.2T total (~80B active)MoEClosedEstimated

Summary

GPT-5.2 scores 8.7 on AI BENCHY and ranks #54. It has 10.0 reliability, a 73.9% pass rate, $1.558 total cost, and 31.29s average response time.

What makes GPT-5.2 unique: It stands out most in Domain specific, where it ranks #1, while Anti-AI Tricks is its weakest area at #17.

Model facts

Researched on 2026-08-12

Estimated
Parameters
~1.2T total (~80B active)
Architecture
MoE
Availability
Closed
License
-

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

Parameter source Availability source

Score

8.7

Consistency

8.5

Reliability

10.0

Total Cost (Current Price)

$1.558 ↑ +1.2%

Tested at: $1.540

Total Output Tokens

80,538

Total Input Tokens

235,207

Input Price

$1.750 / 1M

Output Price

$14.000 / 1M

Cache Read Price

$0.175 / 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: 73.9%

Flaky tests

4

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

Response Time (avg)

31.29s

Response Time (max): 116.86s

Response Time (total): 531.98s

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

Hamster playing table tennis

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

#54 GPT-5.2

medium
Cost
$0.047
Time
49.2s
Tokens
3,396 tok

Run history

Tested on Score Reliability Tests Correct Total Cost Compare
2026-10-01 01:41 Re-test 8.7 10.0 $1.558 ↑ Current run
2026-07-16 22:37 New test added 8.4 10.0 $0.951 Compare
2026-06-04 13:45 New test added 7.5 10.0 $0.548 Compare
2026-05-22 00:19 Re-test 7.4 10.0 $0.490 Compare
2026-04-11 01:44 First recorded run 7.5 N/A $0.352 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 01:41 · Current run69/69 attempts8.78.510.015/23480,538235,207$1.55831.29s
2026-05-22 00:19 · Re-test60/60 attempts7.48.310.012/20431,0570$0.49016.44s
Difference—+1.3+0.20.0+30+49481+235207+$1.068+14849ms

Benchmark coverage differs: 69/69 attempts (Target: 3 repeats per test) versus 60/60 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 $1.750 / 1M $14.000 / 1M N/A N/A
2026-10-01 18:33 $1.750 / 1M $14.000 / 1M $0.175 / 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 10.0 10.0
Anti-AI Tricks 6.5 8.0
Coding 10.0 10.0
Combined 10.0 10.0
Data parsing and extraction 10.0 10.0
Domain specific 5.9 7.2
General Intelligence 3.7 9.7
Instructions following 9.9 10.0
Puzzle Solving 7.5 7.3
Tool Calling 4.7 1.6
Trivia 3.0 10.0

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