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Comparison · 2 models · Updated Nov 2, 2026

Gemini 2.5 Flash vs Apertus 70B

Gemini 2.5 Flash comes out ahead, 68 to 32 on our weighted score, and it is the cheaper option too.

  1. Our pick

    Google

    Gemini 2.5 Flash

    Released Jun 17, 2025

    68/100
    • ECI140.6
    • Price$0.30 / $2.50
    • Context1.05M
    Full specs Remove Gemini 2.5 Flash

  2. Swiss AI

    Apertus 70B

    Released Sep 2, 2025

    32/100
    • ECI—
    • Price$0.82 / $2.42
    • Context66K
    Full specs Remove Apertus 70B

  3. Add a model

    Make it a three-way comparison.

01 — Verdict

Gemini 2.5 Flash is our pick

Gemini 2.5 Flash is the better all-round choice, scoring 68/100 against Apertus 70B (32). 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 2.5 FlashGemini 2.5 Flash $0.85 · Apertus 70B $1.22 per 1M tokens (3:1 blend)
  • Longest contextGemini 2.5 FlashGemini 2.5 Flash 1,048,576 · Apertus 70B 65,536 tokens
  • Widest inputsGemini 2.5 FlashGemini 2.5 Flash: Text, Images, PDFs, Audio, Video · Apertus 70B: Text
  • Self-hostingApertus 70BPublishes downloadable weights (Apache-2.0)
How the score is built
MeasureWeightGemini 2.5 FlashApertus 70B
Price50%5144
Inputs & features30%10025
Context window20%6112
Overall100%68/10032/100

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 vs Apertus 70B specifications side by side
SpecificationGemini 2.5 FlashGoogleApertus 70BSwiss AI
Capability
Capabilities Index (ECI)140.6—
ECI rank#110 of 165—
Price per million tokens
Input$0.30 (best)$0.82
Output$2.50$2.42 (best)
Cached input$0.03—
Blended (3:1)$0.85 (best)$1.22
Long-context rateSame rateSame rate
Price sourceOfficial Google APIMedian of 3 providers
Limits
Context window1,048,576 tokens (best)65,536 tokens
Max output65,536 tokens (best)8,192 tokens
Inputs and features
TextYesYes
ImagesYesNo
PDFsYesNo
AudioYesNo
VideoYesNo
ReasoningYesNo
Tool callingYesYes
Structured outputYesNo
Availability
WeightsProprietaryOpenApache-2.0
API model IDgemini-2.5-flash—
API providers32 (best)3
ReleasedJun 17, 2025Sep 2, 2025
Knowledge cutoffJan 2025Sep 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$8.00
  • Apertus 70B$13.04
04 — Questions

Which should you choose?

Which is better: Gemini 2.5 Flash or Apertus 70B?

Gemini 2.5 Flash is the better all-round choice, scoring 68/100 against Apertus 70B (32). 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, Gemini 2.5 Flash or Apertus 70B?

Gemini 2.5 Flash is cheaper at $0.30 input / $2.50 output per million tokens (official Google API price). Apertus 70B costs $0.82 input / $2.42 output per million tokens (median across 3 API providers). At a typical mix of three input tokens to one output token, that is $0.85 per million tokens for Gemini 2.5 Flash versus $1.22 for Apertus 70B (1.4× as much).

Which scores higher on benchmarks?

There is no independent benchmark that covers both models yet. Gemini 2.5 Flash has an ECI of 140.6 and Apertus 70B has not been scored yet.

Which is better for coding?

There are no published SWE-bench Verified results for Gemini 2.5 Flash and Apertus 70B 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 has the largest context window at 1,048,576 tokens, against 65,536 for Apertus 70B. Maximum output per response: Gemini 2.5 Flash up to 65,536, Apertus 70B up to 8,192 tokens.

Which can read images, PDFs, audio or video?

Gemini 2.5 Flash accepts text, images, PDFs, audio and video; Apertus 70B accepts text. Gemini 2.5 Flash handles the widest range of inputs.

Are any of these open source?

Apertus 70B publishes its weights (Apache-2.0) and can be self-hosted; Gemini 2.5 Flash is proprietary.

Which is newer?

Apertus 70B is the newest, released Sep 2, 2025. Gemini 2.5 Flash came out Jun 17, 2025. Knowledge cutoff: Gemini 2.5 Flash Jan 2025, Apertus 70B Sep 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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