Solar Pro 4 vs Gemini 3.5 Flash-Lite
Side-by-side comparison of API pricing, specs, benchmarks, and capabilities
Solar Pro 4 is 93.8% cheaper on blended cost ($0.052 vs $0.850/Mtok) — note: different model classes (mid tier vs budget)
| Specification |
Solar Pro 4Intro price
by Upstage
|
by Google
|
|---|---|---|
| Overview | ||
| Status | Current mid tier | Current budget |
| Released | Aug 11, 2026 | Jul 21, 2026 |
| Pricing per million tokens | ||
| Input | $0.030/Mtok | $0.300/Mtok |
| Output | $0.120/Mtok | $2.50/Mtok |
| Blended avg | $0.052/Mtok | $0.850/Mtok |
| Cached input | $0.006/Mtok | $0.030/Mtok |
| Specifications | ||
| Context window | 524K tokens | 1M tokens |
| Parameters | Proprietary | Proprietary |
| Speed (TPS) | — | — |
| Modalities | ||
| Input |
text
|
textimageaudiovideo
|
| Benchmarks sources: public leaderboards / Artificial Analysis | ||
| Independent composite scores each on its own scale — not part of the average above | ||
| AA Intelligence Index | — | 37.4 |
| AA Agentic Index | — | 27.2 |
| AA-Omniscience Index (−100–100) | — | 5.2 |
| GDPval-AA v2 | — | 1140.4 ELO |
| LMSYS Chatbot Arena | — | 1458.2 ELO |
| Providers | ||
| Available from |
Upstage — $0.030/$0.120/Mtok
|
Google — $0.300/$2.50/Mtok
|
Cost at scale
1M tokens · 50/50 input/output| Volume | Solar Pro 4 | Gemini 3.5 Flash-Lite | Savings |
|---|---|---|---|
| 1M tokens | $0.05 | $0.85 | $0.8 (94.1%) |
| 10M tokens | $0.53 | $8.5 | $7.98 (93.9%) |
| 100M tokens | $5.25 | $85 | $79.75 (93.8%) |
| 1000M tokens | $52.5 | $850 | $797.5 (93.8%) |
When to pick which
distilled from the pricing and spec data above
Pick Solar Pro 4 if…
- cost dominates: $0.052/Mtok blended vs $0.850 — 93.8% less on the same 50/50 token mix
Pick Gemini 3.5 Flash-Lite if…
- your workload re-reads context (agents, RAG, long chats): cached input costs $0.030/Mtok — 90% off its list input price
- you need the longer context: 1M tokens vs 524K (1.9×)
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.
Gemini 3.5 Flash-Lite by Google costs $0.300/Mtok input and $2.50/Mtok output, with a 1M-token context window. It supports text, image, audio, video input.
On a blended cost basis, Solar Pro 4 is 93.8% cheaper than Gemini 3.5 Flash-Lite.
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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