AI model comparison
Solar Pro 3 vs Gemini 2.5 Flash Lite
Pricing, context window, benchmarks, and features compared side by side. Or skip the guesswork and send one prompt to both.
Upstage
Solar Pro 3
Solar Pro 3 is Upstage's powerful Mixture-of-Experts (MoE) language model. With 102B total parameters and 12B active parameters per forward pass, it delivers exceptional performance while maintaining computational efficiency.
- Input / 1M
- $0.15
- Output / 1M
- $0.60
- Context
- 131K
Gemini 2.5 Flash Lite
Gemini 2.5 Flash-Lite is a lightweight reasoning model in the Gemini 2.5 family, optimized for ultra-low latency and cost efficiency.
Gemini 2.5 Flash Lite is scheduled to be retired on October 20, 2026. Consider Gemini 3.1 Flash Lite instead.
- Input / 1M
- $0.10
- Output / 1M
- $0.40
- Context
- 1.05M
At a glance
Quick verdict
How the two models stack up on the things people ask about most.
Lower price
Gemini 2.5 Flash Lite
1.5x cheaper for a typical chat
Higher intelligence score
Gemini 2.5 Flash Lite
10.4 vs 7.8 on Artificial Analysis
Larger context window
Gemini 2.5 Flash Lite
1.05M vs 131K tokens
Newer release
Solar Pro 3
Released January 27, 2026
Benchmarks
Benchmark scores
Independent scores from Artificial Analysis. Higher is better.
Intelligence index
Coding index
Agentic index
Pricing
Solar Pro 3 vs Gemini 2.5 Flash Lite API pricing
Per-token API rates. Cheaper option highlighted.
| Metric | ||
|---|---|---|
| Input tokensPer 1M tokens | $0.15 | $0.10 |
| Output tokensPer 1M tokens | $0.60 | $0.40 |
| Cached input (read)Per 1M tokens | $0.02 | $0.01 |
| Cache writePer 1M tokens | Not available | $0.08 |
| Web searchPer request | Not available | $0.014 |
What it costs in practice
Estimated cost per 1,000 requests at standard rates. Coding and long-document figures also show the cost when the input is already cached.
Chat message
2K in, 500 out
Coding task
30K in, 4K out
Long document summary
150K in, 2K out
Specs
Context window and capabilities
How much each model can read, how much it can write, and what it accepts as input.
| Metric | ||
|---|---|---|
| Context window | 131K tokens | 1.05M tokens |
| Max output | 118K tokens | 66K tokens |
| Input types | Text | Audio, File, Image, Text, Video |
| Output types | Text | Text |
| Reasoning effort levels | High, Medium, Low, Minimal, None | Not available |
| Default reasoning effort | Medium | Not available |
| Release date | January 27, 2026 | July 22, 2025 |
Features
Supported features
API features available for each model.
| Metric | ||
|---|---|---|
| Tool calling | Supported | Supported |
| Structured outputs | Supported | Supported |
| JSON mode | Supported | Supported |
| Reasoning | Supported | Supported |
| Temperature | Supported | Supported |
| Stop sequences | Not supported | Supported |
| Deterministic seed | Not supported | Supported |
| Verbosity control | Not supported | Not supported |
Our take
Gemini 2.5 Flash Lite is 1.5x cheaper for a typical chat. Gemini 2.5 Flash Lite scores higher on the Artificial Analysis Intelligence Index (10.4 vs 7.8). Gemini 2.5 Flash Lite has the larger context window (1.05M vs 131K tokens). The right pick depends on your workload, so the quickest way to settle it is to send the same prompt to both and compare.
FAQ
Frequently asked questions
Is Solar Pro 3 or Gemini 2.5 Flash Lite cheaper?
Gemini 2.5 Flash Lite is cheaper for a typical chat (2K input tokens and 500 output tokens). Gemini 2.5 Flash Lite costs $0.10 per 1M input tokens and $0.40 per 1M output tokens, while Solar Pro 3 costs $0.15 per 1M input tokens and $0.60 per 1M output tokens.
Which has a bigger context window, Solar Pro 3 or Gemini 2.5 Flash Lite?
Gemini 2.5 Flash Lite supports up to 1.05M tokens of context, compared with 131K for Solar Pro 3.
Is Solar Pro 3 smarter than Gemini 2.5 Flash Lite?
On the Artificial Analysis Intelligence Index, Solar Pro 3 scores 7.8 and Gemini 2.5 Flash Lite scores 10.4, putting Gemini 2.5 Flash Lite ahead. Benchmarks don't capture everything, so the best test is running your own prompts through both.
Can I use Solar Pro 3 and Gemini 2.5 Flash Lite at the same time?
Yes. Shortcut Chat sends one prompt to multiple models at once, so you can see Solar Pro 3 and Gemini 2.5 Flash Lite answer side by side and keep the better response.
Why choose? Ask both.
Send one prompt to Solar Pro 3 and Gemini 2.5 Flash Lite at the same time. Compare the answers side by side and keep the best one.