Upstage
Release: 2026-08-11
Tested on: 2026-08-14 04:00
upstage/solar-pro4::medium
~100BDenseClosedEstimated
Summary
Solar Pro 4 scores 6.8 on AI BENCHY and ranks #179. It has 9.9 reliability, a 62.1% pass rate, $0.140 total cost, and 127.64s 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.
6.8
Consistency
8.6
9.9
Total Output Tokens
366,411
Total Input Tokens
87,902
Input Price
$0.090 / 1M
Output Price
$0.360 / 1M
Flaky tests
4
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 04:00 Re-test | 6.8 | 9.9 | $0.140 ↑ | Current run | |
| 2026-08-11 16:48 Initial run | 6.9 | 9.8 | $0.046 | 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 04:00 · Current run | 66/66 attempts | 6.8 | 8.6 | 9.9 | 12/22 | 4 | 366,411 | 87,902 | $0.140 | 127.64s |
| 2026-08-11 16:48 · Initial run | 66/66 attempts | 6.9 | 8.6 | 9.8 | 13/22 | 4 | 359,862 | 87,984 | $0.046 | 114.27s |
| Difference | — | -0.1 | 0.0 | +0.1 | -1 | 0 | +6549 | -82 | +$0.094 | +13369ms |
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 | 8.2 | 7.9 | |
| Coding | 5.5 | 7.4 | |
| Combined | 6.4 | 5.8 | |
| Data parsing and extraction | 10.0 | 10.0 | |
| Domain specific | 3.0 | 10.0 | |
| General Intelligence | 3.0 | 10.0 | |
| Instructions following | 9.8 | 10.0 | |
| Puzzle Solving | 9.0 | 7.9 | |
| Tool Calling | 10.0 | 10.0 | |
| Trivia | 3.0 | 10.0 |