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uxwizz.com
#155

Solar Pro 4

Upstage Release: 2026-08-11 Tested on: 2026-08-14 03:57 upstage/solar-pro4::high
~100BDenseClosedEstimated
(xhigh) (high) (medium) (low) (none)

Summary

Solar Pro 4 scores 7.1 on AI BENCHY and ranks #155. It has 10.0 reliability, a 62.1% pass rate, $0.138 total cost, and 120.58s average response time.

What makes Solar Pro 4 unique: It stands out most in Combined, where it ranks #2, while Coding is its weakest area at #13. 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
~100B
Architecture
Dense
Availability
Closed
License
-

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

Parameter source Availability source

Score

7.1

Consistency

8.3

Reliability

10.0

Total Cost (Current Price)

$0.138 ↑ +200.0%

Tested at: $0.046

Total Output Tokens

363,194

Total Input Tokens

79,740

Input Price

$0.090 / 1M

Output Price

$0.360 / 1M

Tests Correct

Wrong Tests: 11

Attempt pass rate: 62.1%

Flaky tests

5

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

Response Time (avg)

120.58s

Response Time (max): 491.07s

Response Time (total): 2652.77s

Wrong answer: 5 Did not follow instructions: 3 API error: 1 Extra formatting: 1 No answer: 1

Run history

Tested on Score Reliability Tests Correct Total Cost Compare
2026-08-14 03:57 Re-test 7.1 10.0 $0.138 ↑ Current run
2026-08-11 16:35 Initial run 7.2 9.9 $0.045 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 $0.030 / 1M $0.120 / 1M
2026-09-18 01:52 $0.090 / 1M $0.360 / 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 8.7 7.9
Coding 5.7 9.9
Combined 7.3 5.8
Data parsing and extraction 10.0 10.0
Domain specific 3.6 7.2
General Intelligence 5.5 10.0
Instructions following 7.9 6.9
Puzzle Solving 8.7 7.9
Tool Calling 10.0 10.0
Trivia 3.0 10.0

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