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Comparison · 2 models · Updated Nov 2, 2026

Gemini 2.5 Flash-Lite vs Gemini 2.5 Flash-Lite Preview 06-17

Gemini 2.5 Flash-Lite comes out ahead, 83 to 78 on our weighted score, and it is the cheaper option too.

  1. Our pick

    Google

    Gemini 2.5 Flash-Lite

    Released Jun 17, 2025

    83/100
    • ECI—
    • Price$0.10 / $0.40
    • Context1.05M
    Full specs Remove Gemini 2.5 Flash-Lite

  2. Google

    Gemini 2.5 Flash-Lite Preview 06-17

    Released Jun 17, 2025

    78/100
    • ECI133.8
    • Price$0.12 / $0.48
    • Context1.05M
    Full specs Remove Gemini 2.5 Flash-Lite Preview 06-17

  3. Add a model

    Make it a three-way comparison.

01 — Verdict

Gemini 2.5 Flash-Lite is our pick

Gemini 2.5 Flash-Lite is the better all-round choice, scoring 83/100 against Gemini 2.5 Flash-Lite Preview 06-17 (78). It leads on price and inputs & features. 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 2.5 Flash-LiteGemini 2.5 Flash-Lite $0.175 · Gemini 2.5 Flash-Lite Preview 06-17 $0.21 per 1M tokens (3:1 blend)
  • Longest contextAbout the sameGemini 2.5 Flash-Lite 1,048,576 · Gemini 2.5 Flash-Lite Preview 06-17 1,048,576 tokens
  • Widest inputsSame inputsGemini 2.5 Flash-Lite: Text, Images, PDFs, Audio, Video · Gemini 2.5 Flash-Lite Preview 06-17: Text, Images, PDFs, Audio, Video
  • Self-hostingNo open weightsBoth are available only through APIs
How the score is built
MeasureWeightGemini 2.5 Flash-LiteGemini 2.5 Flash-Lite Preview 06-17
Price50%8279
Inputs & features30%10090
Context window20%6161
Overall100%83/10078/100

Left out because at least one model lacks the data: capability. 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 2.5 Flash-Lite vs Gemini 2.5 Flash-Lite Preview 06-17 specifications side by side
SpecificationGemini 2.5 Flash-LiteGoogleGemini 2.5 Flash-Lite Preview 06-17Google
Capability
Capabilities Index (ECI)—133.8
ECI rank—#132 of 165
Price per million tokens
Input$0.10 (best)$0.12
Output$0.40 (best)$0.48
Cached input$0.01—
Blended (3:1)$0.175 (best)$0.21
Long-context rateSame rateSame rate
Price sourceOfficial Google APIMedian of 2 providers
Limits
Context window1,048,576 tokens1,048,576 tokens
Max output65,536 tokens65,536 tokens
Inputs and features
TextYesYes
ImagesYesYes
PDFsYesYes
AudioYesYes
VideoYesYes
ReasoningYesYes
Tool callingYesYes
Structured outputYesNo
Availability
WeightsProprietaryProprietary
API model IDgemini-2.5-flash-lite—
API providers24 (best)2
ReleasedJun 17, 2025Jun 17, 2025
Knowledge cutoffJan 2025Jan 2025
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 2.5 Flash-Lite$1.80
  • Gemini 2.5 Flash-Lite Preview 06-17$2.16
04 — Questions

Which should you choose?

Which is better: Gemini 2.5 Flash-Lite or Gemini 2.5 Flash-Lite Preview 06-17?

Gemini 2.5 Flash-Lite is the better all-round choice, scoring 83/100 against Gemini 2.5 Flash-Lite Preview 06-17 (78). It leads on price and inputs & features. 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, Gemini 2.5 Flash-Lite or Gemini 2.5 Flash-Lite Preview 06-17?

Gemini 2.5 Flash-Lite is cheaper at $0.10 input / $0.40 output per million tokens (official Google API price). Gemini 2.5 Flash-Lite Preview 06-17 costs $0.12 input / $0.48 output per million tokens (median across 2 API providers). At a typical mix of three input tokens to one output token, that is $0.175 per million tokens for Gemini 2.5 Flash-Lite versus $0.21 for Gemini 2.5 Flash-Lite Preview 06-17 (1.2× as much).

Which scores higher on benchmarks?

There is no independent benchmark that covers both models yet. Gemini 2.5 Flash-Lite has not been scored yet and Gemini 2.5 Flash-Lite Preview 06-17 has an ECI of 133.8.

Which is better for coding?

There are no published SWE-bench Verified results for Gemini 2.5 Flash-Lite and Gemini 2.5 Flash-Lite Preview 06-17 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 2.5 Flash-Lite and Gemini 2.5 Flash-Lite Preview 06-17 share the same 1,048,576-token context window. Maximum output per response: Gemini 2.5 Flash-Lite up to 65,536, Gemini 2.5 Flash-Lite Preview 06-17 up to 65,536 tokens.

Which can read images, PDFs, audio or video?

Gemini 2.5 Flash-Lite accepts text, images, PDFs, audio and video; Gemini 2.5 Flash-Lite Preview 06-17 accepts text, images, PDFs, audio and video. They handle the same number of input types.

Are any of these open source?

No. Gemini 2.5 Flash-Lite and Gemini 2.5 Flash-Lite Preview 06-17 are proprietary and only available through APIs and apps.

Which is newer?

Gemini 2.5 Flash-Lite is the newest, released Jun 17, 2025. Gemini 2.5 Flash-Lite Preview 06-17 came out Jun 17, 2025. Knowledge cutoff: Gemini 2.5 Flash-Lite Jan 2025, Gemini 2.5 Flash-Lite Preview 06-17 Jan 2025.

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.

05 — Keep comparing

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