Upstage
Release: 2026-08-11
Tested on: 2026-08-14 03:57
upstage/solar-pro4::high
~100BDenseClosedEstimated
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
- 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.
7.1
Consistency
8.3
10.0
Total Output Tokens
363,194
Total Input Tokens
79,740
Input Price
$0.090 / 1M
Output Price
$0.360 / 1M
Flaky tests
5
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 03:57 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.
Run comparison
| Run | Benchmark coverage | Score | Consistency | Reliability | Tests Correct | Flaky tests | Total Output Tokens | Total Input Tokens | Total Cost | Response Time (avg) |
|---|---|---|---|---|---|---|---|---|---|---|
| 2026-08-14 03:57 · Current run | 66/66 attempts | 7.1 | 8.3 | 10.0 | 11/22 | 5 | 363,194 | 79,740 | $0.138 | 120.58s |
| 2026-08-11 16:35 · Initial run | 66/66 attempts | 7.2 | 8.7 | 9.9 | 12/22 | 4 | 353,055 | 79,731 | $0.045 | 100.28s |
| Difference | — | -0.1 | -0.4 | +0.1 | -1 | +1 | +10139 | +9 | +$0.094 | +20304ms |
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 |
|---|---|---|
| 2026-08-14 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.
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 | 8.7 | 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 |