Upstage
Release: 2026-08-11
Tested on: 2026-08-11 16:31
upstage/solar-pro4::none
~100BDenseClosedEstimated
Summary
Solar Pro 4 scores 5.8 on AI BENCHY and ranks #174. It has 10.0 reliability, a 31.8% pass rate, $0.006 total cost, and 4.90s 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
- 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.
5.8
Consistency
10.0
10.0
$0.006
Total Output Tokens
11,911
Total Input Tokens
130,854
Input Price
$0.030 / 1M
Output Price
$0.120 / 1M
Flaky tests
0
Flaky tests had mixed outcomes across runs (at least one pass and one fail).
Run history
| Tested on | Score | Reliability | Tests Correct | Total Cost | Compare |
|---|---|---|---|---|---|
| 2026-08-14 03:32 Re-test | 5.8 | 10.0 | $0.006 | Compare | |
| 2026-08-11 16:31 Initial run | 5.8 | 10.0 | $0.006 | Current run |
Run comparison
| Run | Benchmark coverage | Score | Consistency | Reliability | Tests Correct | Flaky tests | Total Output Tokens | Total Input Tokens | Total Cost | Response Time (avg) |
|---|---|---|---|---|---|---|---|---|---|---|
| 2026-08-11 16:31 · Initial run | 66/66 attempts | 5.8 | 10.0 | 10.0 | 7/22 | 0 | 11,911 | 130,854 | $0.006 | 4.90s |
| 2026-08-14 03:32 · Re-test | 66/66 attempts | 5.8 | 9.6 | 10.0 | 7/22 | 1 | 11,912 | 130,863 | $0.006 | 5.37s |
| Difference | — | 0.0 | +0.4 | 0.0 | 0 | -1 | -1 | -9 | -$0.001 | -465ms |
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.
Score vs Total Cost
Response Time (avg)
Score vs Response Time (avg)
Total Output Tokens
Score vs Total Output Tokens
Quick Compare
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Category Breakdown
| Category | Score | Consistency | Tests Correct |
|---|---|---|---|
| Anti-AI Tricks | 4.8 | 10.0 | |
| Coding | 5.5 | 10.0 | |
| Combined | 3.0 | 10.0 | |
| Data parsing and extraction | 10.0 | 10.0 | |
| Domain specific | 3.0 | 10.0 | |
| General Intelligence | 5.0 | 10.0 | |
| Instructions following | 6.4 | 10.0 | |
| Puzzle Solving | 5.4 | 10.0 | |
| Tool Calling | 10.0 | 10.0 | |
| Trivia | 3.0 | 10.0 |