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#4

GPT-6 Astra

OpenAI Release: 2026-09-04 Tested on: 2026-09-04 22:04 openai/gpt-6-astra::high
~2T total (~150B active)MoEClosedEstimated
(max) (xhigh) (high) (medium) (low)

Summary

GPT-6 Astra scores 9.9 on AI BENCHY and ranks #4. It has 9.9 reliability, a 97.0% pass rate, $3.474 total cost, and 18.65s average response time.

What makes GPT-6 Astra unique: It is one of the highest-ranked models overall.

Model facts

Researched on 2026-09-04

Estimated
Parameters
~2T total (~150B active)
Architecture
MoE
Availability
Closed
License
-

Best estimate from public evidence; the vendor did not disclose every value. OpenAI does not disclose parameter counts or architecture. Low-confidence catalog estimate reuses the GPT-5.6 Sol scale (2000B total, 150B active); this is not a reported Astra specification.

Parameter source Availability source

Score

9.9

Consistency

9.6

Reliability

9.9

Total Cost (Current Price)

$3.474

Total Output Tokens

53,622

Total Input Tokens

79,290

Input Price

$10.000 / 1M

Output Price

$50.000 / 1M

Tests Correct

Wrong Tests: 1

Attempt pass rate: 97.0%

Flaky tests

1

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

Response Time (avg)

18.65s

Response Time (max): 254.93s

Response Time (total): 410.28s

Wrong answer: 1

Hamster playing table tennis

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

#4 GPT-6 Astra

high
Cost
$0.457
Time
176.7s
Tokens
9,218 tok

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 10.0 10.0
Coding 10.0 10.0
Combined 10.0 10.0
Data parsing and extraction 10.0 10.0
Domain specific 7.6 7.2
General Intelligence 10.0 10.0
Instructions following 10.0 10.0
Puzzle Solving 10.0 10.0
Tool Calling 10.0 10.0
Trivia 10.0 10.0

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