Upstage: Solar Pro 3
Upstage: Solar Pro 3, developed by Upstage, is designed for handling text inputs with a context length of up to 131072 tokens and supports both reasoning and tool integration. This model can process extensive queries and provide structured responses, making it suitable for complex tasks that require analytical thinking and external data interaction. For those prioritizing a cost-effective solution with robust capabilities, Solar Pro 3 is worth considering, despite its premium pricing at $0.15 per million input tokens and $0.6 per million output tokens. With a blended benchmark score of 17.4 across three independent evaluations, it offers competitive performance, though the limited benchmark coverage may be a factor for more rigorous comparisons.
Benchmark results
Independent, published benchmarks. Blended score 17.4 across 3 benchmarks, last refreshed 2026-08-13. How scoring works →
| Benchmark | Measures | Score |
|---|---|---|
| AI Index | broad capability composite | 23.9 |
| AI Index Coding | software engineering tasks | 26.7 |
| AI Index Agentic | multi-step tool-using tasks | 4.8 |
- Model ID
- upstage/solar-pro-3
- Vendor
- upstage
- Released
- January 2026
- Tokenizer
- Other
- Input Modalities
- text
- Output Modalities
- text
- Max Output
- 131,072 tokens
- Tool Calling
- ✓ supported
- Structured Output
- ✓ supported
- Reasoning Mode
- ✓ supported
- Vision
- text only
- Audio
- no
- Moderated
- no
What it costs in practice
Computed from the current $0.15/M input and $0.60/M output rates. Run your own numbers →
| Job | Tokens | Cost |
|---|---|---|
| Summarize a 50-page report | 30k in / 1.5k out | under $0.01 |
| Classify 1,000 customer emails | 500k in / 50k out | $0.10 |
| A month of a busy support chatbot | 5M in / 2M out | $1.95 |
Price & spec history
Tracked daily by PicksByModel since 2026-07-17.
| Date | Input /M | Output /M | Context |
|---|---|---|---|
| 2026-08-06 | $0.15 | $0.60 | 131,072 |
| 2026-07-17 | $0.15 | $0.60 | 128,000 |
Similar models
Quick answers
- How much does Upstage: Solar Pro 3 cost?
- $0.15 per million input tokens and $0.60 per million output tokens.
- What is Upstage: Solar Pro 3's context window?
- 131,072 tokens, roughly 196 pages of text in a single request.
- Does Upstage: Solar Pro 3 support tool calling?
- It supports tool calling, structured output, a reasoning mode.
- Can Upstage: Solar Pro 3 process images?
- No, it is text-only on the input side.