o1-pro vs Gemini 2.0 Flash-Lite
Gemini 2.0 Flash-Lite comes out ahead, 78 to 55 on our weighted score.
OpenAIo1-pro
55/100- ECI—
- Price$150.00 / $600.00
- Context200K
- Our pick
GoogleGemini 2.0 Flash-Lite
78/100- ECI—
- Price—
- Context1.05M
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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 78/100 against o1-pro (55). It leads on inputs & features and context window. The score weighs inputs & features 60%, context window 40%. 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 priceo1-proo1-pro $262.50 per 1M tokens (3:1 blend) · Gemini 2.0 Flash-Lite unpriced
- Longest contextGemini 2.0 Flash-LiteGemini 2.0 Flash-Lite 1,048,576 · o1-pro 200,000 tokens
- Widest inputsGemini 2.0 Flash-Liteo1-pro: Text, Images · Gemini 2.0 Flash-Lite: Text, Images, PDFs, Audio, Video
- Self-hostingNo open weightsBoth are available only through APIs
| Measure | Weight | o1-pro | Gemini 2.0 Flash-Lite |
|---|---|---|---|
| Inputs & features | 60% | 70 | 90 |
| Context window | 40% | 32 | 61 |
| Overall | 100% | 55/100 | 78/100 |
Left out because at least one model lacks the data: capability and price. The remaining weights were rescaled.
Every spec in one table
Highlighted cells lead their row. Dashes mean the data is not published.
| Specification | o1-proOpenAI | Gemini 2.0 Flash-LiteGoogle |
|---|---|---|
| Capability | ||
| Capabilities Index (ECI) | — | — |
| ECI rank | — | — |
| Price per million tokens | ||
| Input | $150.00 | — |
| Output | $600.00 | — |
| Cached input | — | — |
| Blended (3:1) | $262.50 | — |
| Long-context rate | Same rate | — |
| Price source | Official OpenAI API | — |
| Limits | ||
| Context window | 200,000 tokens | 1,048,576 tokens (best) |
| Max output | 100,000 tokens (best) | 8,192 tokens |
| Inputs and features | ||
| Text | Yes | Yes |
| Images | Yes | Yes |
| PDFs | No | Yes |
| Audio | No | Yes |
| Video | No | Yes |
| Reasoning | Yeslow · medium · high | No |
| Tool calling | Yes | Yes |
| Structured output | Yes | Yes |
| Availability | ||
| Weights | Proprietary | Proprietary |
| API model ID | o1-pro | — |
| API providers | 5 | — |
| Released | Mar 19, 2025 | Dec 11, 2024 |
| Knowledge cutoff | Sep 2023 | 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.
- o1-pro$2,700
- Gemini 2.0 Flash-Lite—
Which should you choose?
Which is better: o1-pro or Gemini 2.0 Flash-Lite?
Gemini 2.0 Flash-Lite is the better all-round choice, scoring 78/100 against o1-pro (55). It leads on inputs & features and context window. The score weighs inputs & features 60%, context window 40%. None of the shared benchmarks cover every model here yet, so capability is left out of this verdict.
Which is cheaper, o1-pro or Gemini 2.0 Flash-Lite?
o1-pro is cheaper at $150.00 input / $600.00 output per million tokens (official OpenAI API price). . At a typical mix of three input tokens to one output token, that is $262.50 per million tokens for o1-pro versus . Gemini 2.0 Flash-Lite has no published per-token price.
Which scores higher on benchmarks?
There is no independent benchmark that covers both models yet. o1-pro 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 o1-pro 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 200,000 for o1-pro. Maximum output per response: o1-pro up to 100,000, Gemini 2.0 Flash-Lite up to 8,192 tokens.
Which can read images, PDFs, audio or video?
o1-pro accepts text and images; 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. o1-pro and Gemini 2.0 Flash-Lite are proprietary and only available through APIs and apps.
Which is newer?
o1-pro is the newest, released Mar 19, 2025. Gemini 2.0 Flash-Lite came out Dec 11, 2024. Knowledge cutoff: o1-pro Sep 2023, 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 Oct 4, 2026.
