Solar Pro 4 vs Solar Pro 3
Side-by-side comparison of API pricing, specs, benchmarks, and capabilities
Solar Pro 4 is 80% cheaper on blended cost ($0.052 vs $0.262/Mtok)
| Specification |
Solar Pro 4Intro price
by Upstage
|
by Upstage
|
|---|---|---|
| Overview | ||
| Status | Current mid tier | Current mid tier |
| Released | Aug 11, 2026 | Jan 26, 2026 |
| Pricing per million tokens | ||
| Input | $0.030/Mtok | $0.150/Mtok |
| Output | $0.120/Mtok | $0.600/Mtok |
| Blended avg | $0.052/Mtok | $0.262/Mtok |
| Cached input | $0.006/Mtok | $0.015/Mtok |
| Specifications | ||
| Context window | 524K tokens | 131K tokens |
| Parameters | Proprietary | 102B (12B active) |
| Speed (TPS) | — | — |
| Modalities | ||
| Input |
text
|
text
|
| Benchmarks sources: public leaderboards / Artificial Analysis | ||
| Independent composite scores each on its own scale — not part of the average above | ||
| AA Intelligence Index | — | 14.5 |
| AA Agentic Index | — | 2.9 |
| AA-Omniscience Index (−100–100) | — | -53.4 |
| Providers | ||
| Available from |
Upstage — $0.030/$0.120/Mtok
|
Upstage — $0.150/$0.600/Mtok
|
Cost at scale
1M tokens · 50/50 input/output| Volume | Solar Pro 4 | Solar Pro 3 | Savings |
|---|---|---|---|
| 1M tokens | $0.05 | $0.26 | $0.21 (80%) |
| 10M tokens | $0.53 | $2.62 | $2.1 (80%) |
| 100M tokens | $5.25 | $26.25 | $21 (80%) |
| 1000M tokens | $52.5 | $262.5 | $210 (80%) |
When to pick which
distilled from the pricing and spec data above
Pick Solar Pro 4 if…
- cost dominates: $0.052/Mtok blended vs $0.262 — 80% less on the same 50/50 token mix
- you need the longer context: 524K tokens vs 131K (4×)
Pick Solar Pro 3 if…
- your workload re-reads context (agents, RAG, long chats): cached input costs $0.015/Mtok — 90% off its list input price
Summary
Solar Pro 4 by Upstage costs $0.030/Mtok input and $0.120/Mtok output, with a 524K-token context window. It supports text input.
Solar Pro 3 by Upstage costs $0.150/Mtok input and $0.600/Mtok output, with a 131K-token context window. It supports text input.
On a blended cost basis, Solar Pro 4 is 80% cheaper than Solar Pro 3.It also has a larger context window.
Note: Pricing is per million tokens. Actual costs vary with usage patterns, prompt caching, and batch discounts. Always verify against official provider pricing pages.
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