Solar Pro 2 vs Gemini 2.0 Flash-Lite
Gemini 2.0 Flash-Lite comes out ahead, 82 to 51 on our weighted score, and it is the cheaper option too.
UpstageSolar Pro 2
51/100- ECI—
- Price$0.25 / $0.25
- Context66K
- Our pick
GoogleGemini 2.0 Flash-Lite
82/100- ECI—
- Price$0.064 / $0.255
- Context1.05M
Add a model
Make it a three-way comparison.
Gemini 2.0 Flash-Lite is our pick
Gemini 2.0 Flash-Lite is the better all-round choice, scoring 82/100 against Solar Pro 2 (51). It leads on price, inputs & features and context window. The score weighs price 50%, inputs & features 30%, context window 20%. None of the shared benchmarks cover every model here yet, so capability is left out of this verdict.
- CapabilityNot enough dataNo independent benchmark covers every model here yet
- Lowest priceGemini 2.0 Flash-LiteGemini 2.0 Flash-Lite $0.111 · Solar Pro 2 $0.25 per 1M tokens (3:1 blend)
- Longest contextGemini 2.0 Flash-LiteGemini 2.0 Flash-Lite 1,048,576 · Solar Pro 2 65,536 tokens
- Widest inputsGemini 2.0 Flash-LiteSolar Pro 2: Text · Gemini 2.0 Flash-Lite: Text, Images, PDFs, Audio, Video
- Self-hostingNo open weightsBoth are available only through APIs
| Measure | Weight | Solar Pro 2 | Gemini 2.0 Flash-Lite |
|---|---|---|---|
| Price | 50% | 75 | 91 |
| Inputs & features | 30% | 35 | 80 |
| Context window | 20% | 12 | 61 |
| Overall | 100% | 51/100 | 82/100 |
Left out because at least one model lacks the data: capability. The remaining weights were rescaled.
Every spec in one table
Highlighted cells lead their row. Dashes mean the data is not published.
| Specification | Solar Pro 2Upstage | Gemini 2.0 Flash-LiteGoogle |
|---|---|---|
| Capability | ||
| Capabilities Index (ECI) | — | — |
| ECI rank | — | — |
| Price per million tokens | ||
| Input | $0.25 | $0.064 (best) |
| Output | $0.25 (best) | $0.255 |
| Cached input | — | — |
| Blended (3:1) | $0.25 | $0.111 (best) |
| Long-context rate | Same rate | Same rate |
| Price source | Official Upstage API | Median of 2 providers |
| Limits | ||
| Context window | 65,536 tokens | 1,048,576 tokens (best) |
| Max output | 8,192 tokens | 8,192 tokens |
| Inputs and features | ||
| Text | Yes | Yes |
| Images | No | Yes |
| PDFs | No | Yes |
| Audio | No | Yes |
| Video | No | Yes |
| Reasoning | Yesminimal · high | No |
| Tool calling | Yes | Yes |
| Structured output | No | No |
| Availability | ||
| Weights | Proprietary | Proprietary |
| API model ID | solar-pro2 | — |
| API providers | 2 | 3 (best) |
| Released | May 20, 2025 | Dec 11, 2024 |
| Knowledge cutoff | Mar 2025 | Jun 2024 |
What would a month cost?
Enter your expected volume in millions of tokens. List prices only; caching and batch discounts would lower these.
- Solar Pro 2$3.00
- Gemini 2.0 Flash-Lite$1.15
Which should you choose?
Which is better: Solar Pro 2 or Gemini 2.0 Flash-Lite?
Gemini 2.0 Flash-Lite is the better all-round choice, scoring 82/100 against Solar Pro 2 (51). It leads on price, inputs & features and context window. The score weighs price 50%, inputs & features 30%, context window 20%. None of the shared benchmarks cover every model here yet, so capability is left out of this verdict.
Which is cheaper, Solar Pro 2 or Gemini 2.0 Flash-Lite?
Gemini 2.0 Flash-Lite is cheaper at $0.064 input / $0.255 output per million tokens (median across 2 API providers). Solar Pro 2 costs $0.25 input / $0.25 output per million tokens (official Upstage API price). At a typical mix of three input tokens to one output token, that is $0.111 per million tokens for Gemini 2.0 Flash-Lite versus $0.25 for Solar Pro 2 (2.2× as much).
Which scores higher on benchmarks?
There is no independent benchmark that covers both models yet. Solar Pro 2 has not been scored yet and Gemini 2.0 Flash-Lite has not been scored yet.
Which is better for coding?
There are no published SWE-bench Verified results for Solar Pro 2 and Gemini 2.0 Flash-Lite yet, so there is no like-for-like coding score. Test both on a sample of your own tasks. Both support tool calling for agent workflows.
Which has the bigger context window?
Gemini 2.0 Flash-Lite has the largest context window at 1,048,576 tokens, against 65,536 for Solar Pro 2. Maximum output per response: Solar Pro 2 up to 8,192, Gemini 2.0 Flash-Lite up to 8,192 tokens.
Which can read images, PDFs, audio or video?
Solar Pro 2 accepts text; Gemini 2.0 Flash-Lite accepts text, images, PDFs, audio and video. Gemini 2.0 Flash-Lite handles the widest range of inputs.
Are any of these open source?
No. Solar Pro 2 and Gemini 2.0 Flash-Lite are proprietary and only available through APIs and apps.
Which is newer?
Solar Pro 2 is the newest, released May 20, 2025. Gemini 2.0 Flash-Lite came out Dec 11, 2024. Knowledge cutoff: Solar Pro 2 Mar 2025, Gemini 2.0 Flash-Lite Jun 2024.
How do you decide the winner?
Each model gets a 0–100 score on capability (50%, independent benchmark results); price (25%, blended price per million tokens (3 input : 1 output), log scale); inputs & features (15%, image, PDF, audio and video input, tool calling, structured output and reasoning); context window (10%, maximum tokens per request, log scale). Dimensions missing for any model are dropped and the remaining weights rescaled, so every model is judged on the same evidence. Specs and prices come from public model listings and the labs’ own API pages; capability scores come from independent benchmark runs. Data updated Nov 2, 2026.
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