Upstage
Release: 2026-08-11
Tested on: 2026-08-14 03:32
upstage/solar-pro4::none
~100BDenseClosedEstimated
Summary
Solar Pro 4 scores 5.8 on AI BENCHY and ranks #225. It has 10.0 reliability, a 33.3% pass rate, $0.017 total cost, and 5.37s average response time.
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
9.6
10.0
Total Output Tokens
11,912
Total Input Tokens
130,863
Input Price
$0.090 / 1M
Output Price
$0.360 / 1M
Flaky tests
1
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 | $0.017 ↑ | Current run | |
| 2026-08-11 16:31 Initial run | 5.8 | 10.0 | $0.006 | 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 03:32 · Current run | 66/66 attempts | 5.8 | 9.6 | 10.0 | 7/22 | 1 | 11,912 | 130,863 | $0.017 | 5.37s |
| 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 |
| Difference | — | 0.0 | -0.4 | 0.0 | 0 | +1 | +1 | +9 | +$0.011 | +465ms |
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 | 4.8 | 10.0 | |
| Coding | 5.5 | 10.0 | |
| Combined | 3.0 | 10.0 | |
| Data parsing and extraction | 10.0 | 10.0 | |
| Domain specific | 2.9 | 7.2 | |
| 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 |