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Comparison · 2 models · Updated Oct 4, 2026

DiffusionGemma 26B A4B IT vs Laguna S 2.1

DiffusionGemma 26B A4B IT comes out ahead, 51 to 45 on our weighted score.

  1. Our pick

    Google

    DiffusionGemma 26B A4B IT

    Released Jun 9, 2026

    51/100
    • ECI—
    • Price—
    • Context262K
    Full specs Remove DiffusionGemma 26B A4B IT

  2. Poolside

    Laguna S 2.1

    Released Jul 21, 2026

    45/100
    • ECI—
    • Price$0.10 / $0.20
    • Context1.05M
    Full specs Remove Laguna S 2.1

  3. Add a model

    Make it a three-way comparison.

01 — Verdict

DiffusionGemma 26B A4B IT is our pick

DiffusionGemma 26B A4B IT is the better all-round choice, scoring 51/100 against Laguna S 2.1 (45). It leads on inputs & features. Laguna S 2.1 wins on 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 priceLaguna S 2.1Laguna S 2.1 $0.125 per 1M tokens (3:1 blend) · DiffusionGemma 26B A4B IT unpriced
  • Longest contextLaguna S 2.1Laguna S 2.1 1,048,576 · DiffusionGemma 26B A4B IT 262,144 tokens
  • Widest inputsDiffusionGemma 26B A4B ITDiffusionGemma 26B A4B IT: Text, Images · Laguna S 2.1: Text
  • Self-hostingAll open weightsEvery model here can be downloaded and run on your own hardware
How the score is built
MeasureWeightDiffusionGemma 26B A4B ITLaguna S 2.1
Inputs & features60%6035
Context window40%3761
Overall100%51/10045/100

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.

DiffusionGemma 26B A4B IT vs Laguna S 2.1 specifications side by side
SpecificationDiffusionGemma 26B A4B ITGoogleLaguna S 2.1Poolside
Capability
Capabilities Index (ECI)——
ECI rank——
Price per million tokens
Input—$0.10
Output—$0.20
Cached input——
Blended (3:1)—$0.125
Long-context rate—Same rate
Price source—Median of 4 providers
Limits
Context window262,144 tokens1,048,576 tokens (best)
Max output32,768 tokens32,768 tokens
Inputs and features
TextYesYes
ImagesYesNo
PDFsNoNo
AudioNoNo
VideoNoNo
ReasoningYesYes
Tool callingYesYes
Structured outputNoNo
Availability
WeightsOpenApache 2.0Open
API model ID—poolside/laguna-s-2.1
API providers16 (best)
ReleasedJun 9, 2026Jul 21, 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—
  • Laguna S 2.1$1.40
04 — Questions

Which should you choose?

Which is better: DiffusionGemma 26B A4B IT or Laguna S 2.1?

DiffusionGemma 26B A4B IT is the better all-round choice, scoring 51/100 against Laguna S 2.1 (45). It leads on inputs & features. Laguna S 2.1 wins on 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, DiffusionGemma 26B A4B IT or Laguna S 2.1?

Laguna S 2.1 is cheaper at $0.10 input / $0.20 output per million tokens (median across 4 API providers; free on Poolside). . At a typical mix of three input tokens to one output token, that is $0.125 per million tokens for Laguna S 2.1 versus . DiffusionGemma 26B A4B IT has no published per-token price.

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 Laguna S 2.1 has not been scored yet.

Which is better for coding?

There are no published SWE-bench Verified results for DiffusionGemma 26B A4B IT and Laguna S 2.1 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?

Laguna S 2.1 has the largest context window at 1,048,576 tokens, against 262,144 for DiffusionGemma 26B A4B IT. Maximum output per response: DiffusionGemma 26B A4B IT up to 32,768, Laguna S 2.1 up to 32,768 tokens.

Which can read images, PDFs, audio or video?

DiffusionGemma 26B A4B IT accepts text and images; Laguna S 2.1 accepts text. DiffusionGemma 26B A4B IT handles the widest range of inputs.

Are any of these open source?

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

Which is newer?

Laguna S 2.1 is the newest, released Jul 21, 2026. DiffusionGemma 26B A4B IT came out Jun 9, 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 Oct 4, 2026.

05 — Keep comparing

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