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Comparison · 2 models · Updated Oct 4, 2026

Gemini 2.0 Flash-Lite vs o1-pro

Gemini 2.0 Flash-Lite comes out ahead, 78 to 55 on our weighted score.

  1. Our pick

    Google

    Gemini 2.0 Flash-Lite

    Released Dec 11, 2024

    78/100
    • ECI—
    • Price—
    • Context1.05M
  2. OpenAI

    o1-pro

    Released Mar 19, 2025Deprecated

    55/100
    • ECI—
    • Price$150.00 / $600.00
    • Context200K
  3. Add a model

    Make it a three-way comparison.

01 — Verdict

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-LiteGemini 2.0 Flash-Lite: Text, Images, PDFs, Audio, Video · o1-pro: Text, Images
  • Self-hostingNo open weightsBoth are available only through APIs
How the score is built
MeasureWeightGemini 2.0 Flash-Liteo1-pro
Inputs & features60%9070
Context window40%6132
Overall100%78/10055/100

Left out because at least one model lacks the data: capability and price. The remaining weights were rescaled.

02 — Side by side

Every spec in one table

Highlighted cells lead their row. Dashes mean the data is not published.

Gemini 2.0 Flash-Lite vs o1-pro specifications side by side
SpecificationGemini 2.0 Flash-LiteGoogleo1-proOpenAI
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 window1,048,576 tokens (best)200,000 tokens
Max output8,192 tokens100,000 tokens (best)
Inputs and features
TextYesYes
ImagesYesYes
PDFsYesNo
AudioYesNo
VideoYesNo
ReasoningNoYeslow · medium · high
Tool callingYesYes
Structured outputYesYes
Availability
WeightsProprietaryProprietary
API model ID—o1-pro
API providers—5
ReleasedDec 11, 2024Mar 19, 2025
Knowledge cutoffJun 2024Sep 2023
03 — Cost

What would a month cost?

Enter your expected volume in millions of tokens. List prices only; caching and batch discounts would lower these.

  • Gemini 2.0 Flash-Lite—
  • o1-pro$2,700
04 — Questions

Which should you choose?

Which is better: Gemini 2.0 Flash-Lite or o1-pro?

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, Gemini 2.0 Flash-Lite or o1-pro?

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. Gemini 2.0 Flash-Lite has not been scored yet and o1-pro has not been scored yet.

Which is better for coding?

There are no published SWE-bench Verified results for Gemini 2.0 Flash-Lite and o1-pro 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: Gemini 2.0 Flash-Lite up to 8,192, o1-pro up to 100,000 tokens.

Which can read images, PDFs, audio or video?

Gemini 2.0 Flash-Lite accepts text, images, PDFs, audio and video; o1-pro accepts text and images. Gemini 2.0 Flash-Lite handles the widest range of inputs.

Are any of these open source?

No. Gemini 2.0 Flash-Lite and o1-pro 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: Gemini 2.0 Flash-Lite Jun 2024, o1-pro Sep 2023.

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.