Upstage
Release: 2026-08-11
Tested on: 2026-08-11 17:26
upstage/solar-pro4::xhigh
~100BDenseClosedEstimated
Summary
Solar Pro 4 scores 7.7 on AI BENCHY and ranks #63. It has 10.0 reliability, a 65.2% pass rate, $0.049 total cost, and 115.81s average response time.
What makes Solar Pro 4 unique: It stands out most in Domain specific, where it ranks #2, while Coding is its weakest area at #18. 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.
7.7
Consistency
9.4
10.0
$0.049
Total Output Tokens
379,812
Total Input Tokens
98,107
Input Price
$0.030 / 1M
Output Price
$0.120 / 1M
Flaky tests
2
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 03:59 Re-test | 7.6 | 10.0 | $0.050 | Compare | |
| 2026-08-11 17:26 Initial run | 7.7 | 10.0 | $0.049 | 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 17:26 · Initial run | 66/66 attempts | 7.7 | 9.4 | 10.0 | 13/22 | 2 | 379,812 | 98,107 | $0.049 | 115.81s |
| 2026-08-14 03:59 · Re-test | 66/66 attempts | 7.6 | 9.4 | 10.0 | 12/22 | 2 | 389,450 | 98,116 | $0.050 | 134.85s |
| Difference | — | +0.1 | 0.0 | 0.0 | +1 | 0 | -9638 | -9 | -$0.002 | -19040ms |
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 |
|---|---|---|
| 2026-08-11 17:51 | $0.030 / 1M | $0.120 / 1M |
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 | 8.3 | 10.0 | |
| Coding | 5.8 | 9.9 | |
| Combined | 10.0 | 10.0 | |
| Data parsing and extraction | 10.0 | 10.0 | |
| Domain specific | 5.3 | 10.0 | |
| General Intelligence | 5.5 | 10.0 | |
| Instructions following | 8.4 | 6.9 | |
| Puzzle Solving | 8.9 | 7.8 | |
| Tool Calling | 10.0 | 10.0 | |
| Trivia | 3.0 | 10.0 |