Major Release Upstage · Released
Solar Pro 3
What is Solar Pro 3?
Solar Pro 3 is a Major Release AI model from Upstage, released on April 6, 2026. It has a 128K tokens context window, costs $0.00 per million input tokens, and scores 86.3% on TAU2-bench. It is available via the company's API.
Upstage Solar Pro 3 — AA Intelligence Index 25.9, 128K tokens context, reasoning model.
How much does Solar Pro 3 cost?
| Metric | Price |
|---|---|
| input per mtok | $0.00 |
| output per mtok | $0.00 |
Pricing data verified .
What context window does Solar Pro 3 have?
- Context window
- 128K tokens
- Max output
- 131K
- Input modalities
- text
- Output modalities
- text
How does Solar Pro 3 score on benchmarks?
| Benchmark | Score |
|---|---|
| GPQA Diamond | 72.4% |
| HLE | 10.1% |
| SciCode | 24.7% |
| TAU2-bench | 86.3% |
| TerminalBench-Hard | 7.6% |
| IF-Bench | 71.2% |
| LiveCodeBench Reasoning | 27.0% |
| AA Intelligence Index | 25.9 |
Benchmark scores verified .