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Comparison · 2 models · Updated Oct 4, 2026

Gemma 4 31B IT vs Laguna S 2.1

Too close to call on our weighted score (Gemma 4 31B IT 70, Laguna S 2.1 69). The right pick depends on what you value most.

  1. Google

    Gemma 4 31B IT

    Released Apr 2, 2026

    70/100
    • ECI142.8
    • Price$0.14 / $0.40
    • Context262K
  2. Poolside

    Laguna S 2.1

    Released Jul 21, 2026

    69/100
    • ECI—
    • Price$0.10 / $0.20
    • Context1.05M
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01 — Verdict

Too close to call

It is close. Our weighted score puts them within a point (Gemma 4 31B IT 70/100, Laguna S 2.1 69/100), so choose by what matters most for your work: Laguna S 2.1 on price and Laguna S 2.1 for long inputs. 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 priceLaguna S 2.1Laguna S 2.1 $0.125 · Gemma 4 31B IT $0.205 per 1M tokens (3:1 blend)
  • Longest contextLaguna S 2.1Laguna S 2.1 1,048,576 · Gemma 4 31B IT 262,144 tokens
  • Widest inputsGemma 4 31B ITGemma 4 31B 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
MeasureWeightGemma 4 31B ITLaguna S 2.1
Price50%8393
Inputs & features30%7035
Context window20%3761
Overall100%70/10069/100

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.

Gemma 4 31B IT vs Laguna S 2.1 specifications side by side
SpecificationGemma 4 31B ITGoogleLaguna S 2.1Poolside
Capability
Capabilities Index (ECI)142.8—
ECI rank#86 of 148—
GPQA DiamondGraduate-level science questions75.8%—
OTIS Mock AIME 2024–2025Competition mathematics73.3%—
SimpleQA VerifiedShort factual questions10.4%—
Price per million tokens
Input$0.14$0.10 (best)
Output$0.40$0.20 (best)
Cached input——
Blended (3:1)$0.205$0.125 (best)
Long-context rateSame rateSame rate
Price sourceMedian of 30 providersMedian 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 outputYesNo
Availability
WeightsOpenOpen
API model IDgemma-4-31b-itpoolside/laguna-s-2.1
API providers38 (best)6
ReleasedApr 2, 2026Jul 21, 2026
Knowledge cutoff——
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.

  • Gemma 4 31B IT$2.20
  • Laguna S 2.1$1.40
04 — Questions

Which should you choose?

Which is better: Gemma 4 31B IT or Laguna S 2.1?

It is close. Our weighted score puts them within a point (Gemma 4 31B IT 70/100, Laguna S 2.1 69/100), so choose by what matters most for your work: Laguna S 2.1 on price and Laguna S 2.1 for long inputs. 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, Gemma 4 31B 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). Gemma 4 31B IT costs $0.14 input / $0.40 output per million tokens (median across 30 API providers). 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 $0.205 for Gemma 4 31B IT (1.6× as much).

Which scores higher on benchmarks?

There is no independent benchmark that covers both models yet. Gemma 4 31B IT has an ECI of 142.8 and Laguna S 2.1 has not been scored yet.

Which is better for coding?

There are no published SWE-bench Verified results for Gemma 4 31B 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 Gemma 4 31B IT. Maximum output per response: Gemma 4 31B IT up to 32,768, Laguna S 2.1 up to 32,768 tokens.

Which can read images, PDFs, audio or video?

Gemma 4 31B IT accepts text and images; Laguna S 2.1 accepts text. Gemma 4 31B IT handles the widest range of inputs.

Are any of these open source?

Yes, both publish their weights, so you can self-host them.

Which is newer?

Laguna S 2.1 is the newest, released Jul 21, 2026. Gemma 4 31B IT came out Apr 2, 2026.

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.