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#115

Solar Pro 4

Upstage Release: 2026-08-11 Tested on: 2026-08-11 16:51 upstage/solar-pro4::low
~100BDenseClosedEstimated
(xhigh) (high) (medium) (low) (none)

Summary

Solar Pro 4 scores 6.8 on AI BENCHY and ranks #115. It has 9.6 reliability, a 62.1% pass rate, $0.042 total cost, and 113.12s average response time.

What makes Solar Pro 4 unique: Its total benchmark cost is unusually low for its score range.

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

6.8

Consistency

7.9

Reliability

9.6

Total Cost (Current Price)

$0.042

Total Output Tokens

323,822

Total Input Tokens

90,547

Input Price

$0.030 / 1M

Output Price

$0.120 / 1M

Tests Correct

Wrong Tests: 11

Attempt pass rate: 62.1%

Flaky tests

6

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

Response Time (avg)

113.12s

Response Time (max): 640.89s

Response Time (total): 2488.63s

Wrong answer: 6 Did not follow instructions: 2 API error: 1 No answer: 1 Timed out: 1

Run history

Tested on Score Reliability Tests Correct Total Cost Compare
2026-08-14 03:59 Re-test 6.8 10.0 $0.044 Compare
2026-08-11 16:51 Initial run 6.8 9.6 $0.042 Current run

Run comparison

RunBenchmark coverageScoreConsistencyReliabilityTests CorrectFlaky testsTotal Output TokensTotal Input TokensTotal CostResponse Time (avg)
2026-08-11 16:51 · Initial run66/66 attempts6.87.99.611/226323,82290,547$0.042113.12s
2026-08-14 03:59 · Re-test66/66 attempts6.87.910.011/226338,37390,556$0.044136.11s
Difference—0.00.0-0.400-14551-9-$0.002-22994ms

These two runs used different benchmark suites, so the deltas reflect both model changes and suite changes.

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

Solar Pro 4lowvsGLM 5.3 FlashXhighSolar Pro 4lowvsSolar Pro 4mediumSolar Pro 4lowvsSeed-2.0-CodemediumSolar Pro 4lowvsDeepSeek V4 PrononeSolar Pro 4lowvsStep 3.7 FlashhighSolar Pro 4lowvsGLM 5.3lowSolar Pro 4lowvsQwen3.6 FlashmediumSolar Pro 4lowvsMiMo-V2.5-PromediumSolar Pro 4lowvsGemini 3.5 FlashnoneSolar Pro 4lowvsMercury 2.5medium

Category Breakdown

Category Score Consistency Tests Correct
Anti-AI Tricks 8.2 7.9
Coding 5.5 7.4
Combined 6.3 5.8
Data parsing and extraction 10.0 10.0
Domain specific 3.6 7.2
General Intelligence 5.5 10.0
Instructions following 8.0 6.8
Puzzle Solving 9.0 7.9
Tool Calling 10.0 10.0
Trivia 3.0 10.0

Compared models