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Comparison · 2 models · Updated Oct 4, 2026

Gemma 4 12B IT vs Step 5 Preview

Gemma 4 12B IT comes out ahead, 75 to 57 on our weighted score, and it is the cheaper option too.

  1. Our pick

    Google

    Gemma 4 12B IT

    Released Jun 9, 2026

    75/100
    • ECI—
    • Price$0.075 / $0.275
    • Context262K
  2. StepFun

    Step 5 Preview

    Released Sep 16, 2026

    57/100
    • ECI—
    • Price$1.00 / $2.70
    • Context1M
  3. Add a model

    Make it a three-way comparison.

01 — Verdict

Gemma 4 12B IT is our pick

Gemma 4 12B IT is the better all-round choice, scoring 75/100 against Step 5 Preview (57). It leads on price. Step 5 Preview wins on 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 priceGemma 4 12B ITGemma 4 12B IT $0.125 · Step 5 Preview $1.43 per 1M tokens (3:1 blend)
  • Longest contextStep 5 PreviewStep 5 Preview 1,000,000 · Gemma 4 12B IT 262,144 tokens
  • Widest inputsStep 5 PreviewGemma 4 12B IT: Text, Images · Step 5 Preview: Text, Images, Video
  • Self-hostingGemma 4 12B ITPublishes downloadable weights
How the score is built
MeasureWeightGemma 4 12B ITStep 5 Preview
Price50%9343
Inputs & features30%7080
Context window20%3760
Overall100%75/10057/100

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 12B IT vs Step 5 Preview specifications side by side
SpecificationGemma 4 12B ITGoogleStep 5 PreviewStepFun
Capability
Capabilities Index (ECI)——
ECI rank——
Price per million tokens
Input$0.075 (best)$1.00
Output$0.275 (best)$2.70
Cached input—$0.05
Blended (3:1)$0.125 (best)$1.43
Long-context rateSame rateSame rate
Price sourceMedian of 2 providersOfficial StepFun (Global) API
Limits
Context window262,144 tokens1,000,000 tokens (best)
Max output32,768 tokens1,000,000 tokens (best)
Inputs and features
TextYesYes
ImagesYesYes
PDFsNoNo
AudioNoNo
VideoNoYes
ReasoningYesYeslow · medium · high
Tool callingYesYes
Structured outputYesYes
Availability
WeightsOpenProprietary
API model ID—step-5-preview
API providers27 (best)
ReleasedJun 9, 2026Sep 16, 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 12B IT$1.30
  • Step 5 Preview$15.40
04 — Questions

Which should you choose?

Which is better: Gemma 4 12B IT or Step 5 Preview?

Gemma 4 12B IT is the better all-round choice, scoring 75/100 against Step 5 Preview (57). It leads on price. Step 5 Preview wins on 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, Gemma 4 12B IT or Step 5 Preview?

Gemma 4 12B IT is cheaper at $0.075 input / $0.275 output per million tokens (median across 2 API providers). Step 5 Preview costs $1.00 input / $2.70 output per million tokens (official StepFun (Global) API price). At a typical mix of three input tokens to one output token, that is $0.125 per million tokens for Gemma 4 12B IT versus $1.43 for Step 5 Preview (11× as much).

Which scores higher on benchmarks?

There is no independent benchmark that covers both models yet. Gemma 4 12B IT has not been scored yet and Step 5 Preview has not been scored yet.

Which is better for coding?

There are no published SWE-bench Verified results for Gemma 4 12B IT and Step 5 Preview 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?

Step 5 Preview has the largest context window at 1,000,000 tokens, against 262,144 for Gemma 4 12B IT. Maximum output per response: Gemma 4 12B IT up to 32,768, Step 5 Preview up to 1,000,000 tokens.

Which can read images, PDFs, audio or video?

Gemma 4 12B IT accepts text and images; Step 5 Preview accepts text, images and video. Step 5 Preview handles the widest range of inputs.

Are any of these open source?

Gemma 4 12B IT publishes its weights and can be self-hosted; Step 5 Preview is proprietary.

Which is newer?

Step 5 Preview is the newest, released Sep 16, 2026. Gemma 4 12B IT came out Jun 9, 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.