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Comparison · 2 models · Updated Nov 2, 2026

DiffusionGemma 26B A4B IT vs Qwen3.5 4B

Qwen3.5 4B comes out ahead, 78 to 75 on our weighted score, and it is the cheaper option too.

  1. Google

    DiffusionGemma 26B A4B IT

    Released Jun 9, 2026

    75/100
    • ECI—
    • Price$0.05 / $0.15
    • Context262K
    Full specs Remove DiffusionGemma 26B A4B IT
  2. Our pick

    Alibaba (Qwen)

    Qwen3.5 4B

    Released Mar 2, 2026

    78/100
    • ECI—
    • Price$0.04 / $0.07
    • Context262K
    Full specs Remove Qwen3.5 4B

  3. Add a model

    Make it a three-way comparison.

01 — Verdict

Qwen3.5 4B is our pick

Qwen3.5 4B is the better all-round choice, scoring 78/100 against DiffusionGemma 26B A4B IT (75). It leads on 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 priceQwen3.5 4BQwen3.5 4B $0.048 · DiffusionGemma 26B A4B IT $0.075 per 1M tokens (3:1 blend)
  • Longest contextAbout the sameDiffusionGemma 26B A4B IT 262,144 · Qwen3.5 4B 262,144 tokens
  • Widest inputsQwen3.5 4BDiffusionGemma 26B A4B IT: Text, Images · Qwen3.5 4B: Text, Images, Video
  • Self-hostingAll open weightsEvery model here can be downloaded and run on your own hardware
How the score is built
MeasureWeightDiffusionGemma 26B A4B ITQwen3.5 4B
Price50%99100
Inputs & features30%6070
Context window20%3737
Overall100%75/10078/100

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.

DiffusionGemma 26B A4B IT vs Qwen3.5 4B specifications side by side
SpecificationDiffusionGemma 26B A4B ITGoogleQwen3.5 4BAlibaba (Qwen)
Capability
Capabilities Index (ECI)——
ECI rank——
OTIS Mock AIME 2024–2025Competition mathematics—55.8%
Price per million tokens
Input$0.05$0.04 (best)
Output$0.15$0.07 (best)
Cached input——
Blended (3:1)$0.075$0.048 (best)
Long-context rateSame rateSame rate
Price sourceMedian of 1 providersMedian of 3 providers
Limits
Context window262,144 tokens262,144 tokens
Max output32,768 tokens81,920 tokens (best)
Inputs and features
TextYesYes
ImagesYesYes
PDFsNoNo
AudioNoNo
VideoNoYes
ReasoningYesYes
Tool callingYesYes
Structured outputNoNo
Availability
WeightsOpenApache 2.0OpenApache-2.0
API model ID——
API providers25 (best)
ReleasedJun 9, 2026Mar 2, 2026
Knowledge cutoffJan 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.

  • DiffusionGemma 26B A4B IT$0.80
  • Qwen3.5 4B$0.54
04 — Questions

Which should you choose?

Which is better: DiffusionGemma 26B A4B IT or Qwen3.5 4B?

Qwen3.5 4B is the better all-round choice, scoring 78/100 against DiffusionGemma 26B A4B IT (75). It leads on 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, DiffusionGemma 26B A4B IT or Qwen3.5 4B?

Qwen3.5 4B is cheaper at $0.04 input / $0.07 output per million tokens (median across 3 API providers). DiffusionGemma 26B A4B IT costs $0.05 input / $0.15 output per million tokens (median across 1 API provider). At a typical mix of three input tokens to one output token, that is $0.048 per million tokens for Qwen3.5 4B versus $0.075 for DiffusionGemma 26B A4B IT (1.6× as much).

Which scores higher on benchmarks?

There is no independent benchmark that covers both models yet. DiffusionGemma 26B A4B IT has not been scored yet and Qwen3.5 4B has not been scored yet.

Which is better for coding?

There are no published SWE-bench Verified results for DiffusionGemma 26B A4B IT and Qwen3.5 4B 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?

DiffusionGemma 26B A4B IT and Qwen3.5 4B share the same 262,144-token context window. Maximum output per response: DiffusionGemma 26B A4B IT up to 32,768, Qwen3.5 4B up to 81,920 tokens.

Which can read images, PDFs, audio or video?

DiffusionGemma 26B A4B IT accepts text and images; Qwen3.5 4B accepts text, images and video. Qwen3.5 4B handles the widest range of inputs.

Are any of these open source?

Yes, both publish their weights (Apache 2.0 and Apache-2.0), so you can self-host them.

Which is newer?

DiffusionGemma 26B A4B IT is the newest, released Jun 9, 2026. Qwen3.5 4B came out Mar 2, 2026. Knowledge cutoff: DiffusionGemma 26B A4B IT 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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