Home › Compare › Upstage: Solar Pro 3 vs Upstage: Solar Pro 4
Upstage: Solar Pro 3 vs Upstage: Solar Pro 4: API Pricing Compared
Comparing Upstage: Solar Pro 3 and Upstage: Solar Pro 4: on combined input+output list price, Upstage: Solar Pro 3 is cheaper at $0.75 vs $0.75 per 1M tokens — a difference of $0 (free) (0%). Upstage: Solar Pro 3 costs $0.15 in / $0.6 out with a 131,072-token context; Upstage: Solar Pro 4 costs $0.15 in / $0.6 out with a 524,288-token context.
| Upstage: Solar Pro 3 | Upstage: Solar Pro 4 | |
|---|---|---|
| Input /1M | $0.15 | $0.15 |
| Output /1M | $0.6 | $0.6 |
| Cached input /1M | $0.015 | $0.03 |
| Context window | 131,072 | 524,288 |
| Max output tokens | 117,964 | 131,072 |
| Cost @ 10M in + 2M out / mo | $2.7 | $2.7 |
Estimate your own workload in the cost calculator, or open the full pages for Upstage: Solar Pro 3 and Upstage: Solar Pro 4.
Frequently asked questions
Which is cheaper, Upstage: Solar Pro 3 or Upstage: Solar Pro 4?
Upstage: Solar Pro 3 is cheaper on combined list price: $0.75 vs $0.75 per 1M tokens (input + output). At 10M input + 2M output tokens per month, Upstage: Solar Pro 3 costs $2.7 and Upstage: Solar Pro 4 costs $2.7.
Which has the larger context window, Upstage: Solar Pro 3 or Upstage: Solar Pro 4?
Upstage: Solar Pro 3 has a context window of 131,072 tokens; Upstage: Solar Pro 4 has 524,288 tokens. The larger one is Upstage: Solar Pro 4.
Price snapshot October 21, 2026, refreshed daily.